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Siemens Synco 700 RMZ785 Basic Documentation
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Siemens Synco 700 RMZ785 Basic Documentation

Switching and monitoring device incl. extension modules
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Synco™ 700
Switching and monitoring device RMS705B
incl. extension modules RMZ785, RMZ787und RMZ788
Basic documentation
CE1P3124en
01.04.2010
Building Technologies

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Summary of Contents for Siemens Synco 700 RMZ785

  • Page 1 Synco™ 700 Switching and monitoring device RMS705B incl. extension modules RMZ785, RMZ787und RMZ788 Basic documentation CE1P3124en Building Technologies 01.04.2010...

  • Page 2: Table Of Contents

    Operator unit display contrast ..............26 Text entry....................26 Inputs......................28 Universal inputs..................28 Analog inputs ..................31 Digital inputs....................35 Pulse .......................37 Remote setpoint adjuster, absolute............38 Outside temperature ................40 Assign texts.....................42 3 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Contents 01.04.2010...
  • Page 3 Purpose and enabling ................177 12.2 Fault priorities and acknowledgement ..........177 12.3 Universal fault inputs (1…20)..............178 12.4 External fault button ................180 12.5 Fault relay....................180 12.6 Function check / wiring test..............181 4 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Contents 01.04.2010...
  • Page 4 15.1 Connection rules ...................196 15.2 Connection terminals ................197 Appendix....................198 16.1 Abbreviations ..................198 16.2 Configuration diagram................199 16.3 Menu tree ....................207 16.4 Editable texts RMS705B ...............207 Index ......................214 5 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Contents 01.04.2010...

  • Page 5: Overview

     Modular extendable with extension modules RMZ785, RMZ787, and RMZ788.  Menu-driven operation with separate operator unit: Plug-in type or detached mounting.  KNX bus connection for operation and process information. 6 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Overview...
  • Page 6  Maximum 28 universal inputs (LG-Ni1000, 2x LG-Ni1000, Pt1000, T1, DC 0...10 V, 0…1000 Ω, pulse, digital)  Maximum 18 relay control outputs  Maximum 8 modulating outputs DC 0...10 V 7 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Overview...

  • Page 7: Product Range

    Service tool OCI700.1 N5655 Central communication unit Central communication unit N5663 OZW775 Web server OZW772… N5701 RMS705B RMZ785 RMZ787 RMZ788 RMZ780 RMZ790 RMZ791 RMZ792 OCI700.1 OZW775 OZW772 8 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Overview 01.04.2010...

  • Page 8: Synco™ 700 Topology

    Operator unit, detached RMH… Heating controller RMZ792 Bus operator unit RMK… Boiler sequence controller RMZ78... Extension modules RMB… Central control unit OCI700.1 Service tool OZW772… Web server 9 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Overview 01.04.2010...

  • Page 9: Equipment Combinations

    Actuating equipment actuators with - operating voltage AC 24 V - for modulating control DC 0...10 V. Variable speed drive SED2… N5192 Transformers SEM62.1, SEM62.2 N5536 10 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Overview 01.04.2010...

  • Page 10: Product Documentation

    RMS705B applications in HIT A number of RMS705B applications are available via HIT (HVAC Integrated Tool). These applications are intended as suggestions (no default applications). Internet address for HIT: https://www.siemens.com/HIT 11 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en...

  • Page 11: Performance

    Motors with control functions for:  Motor, single-stage  Motor, two-stage  Twin motors with priority changeover Calculators Min., max., and average calculation.  Enthalphy calculator  Signal inverter/signal doubler 12 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Overview 01.04.2010...

  • Page 12: Important Notes

    Fuses, switches, wiring and earthing must comply with local safety regulations for electrical installations. Commissioning Only qualified staff trained by Siemens Switzerland Ltd may prepare for use and commission Synco™ 700 products. Synco™ 700 products may only be operated by staff instructed by Siemens Operation Switzerland Ltd or its delegates and who understand the potential risks.

  • Page 13: Operation

    Operation Synco™ 700 units may only be operated by staff instructed by Siemens Switzerland Ltd or its delegates and who understand the potential risks. Operation without operator unit The following operating elements on the RMS705B and extension module can be...

  • Page 14: Operation With Operator Unit

    Acknowledge fault or reset. The backlit display automatically switches on when using one of the operating elements. It switches off and the start page appears when inactive for 30 minutes. 15 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Operation 01.04.2010...
  • Page 15 1. Press the ESC button to select the start page. Press the button repeatedly until the start page reappears. 2. Press the INFO button to go to the Info level. 16 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Operation 01.04.2010...
  • Page 16 2. Select the required access level by turning the OK knob and press to confirm. 3. Enter "7" to access the "Password level". Note RMS705B times out after 30 minutes without user interaction and enters "User level". 17 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Operation 01.04.2010...

  • Page 17: Commissioning

    Commissioning Only qualified staff trained by Siemens Switzerland Ltd may prepare and commission Synco™ 700 products. Start commissioning During commissioning, both control and plant safety functions remain deactivated! 3.1.1 Start at initial power-up RMS705B starts with menu "Language" (to commission or operate the plant) when the unit is first powered.

  • Page 18: Basic Configuration

    Position 1 Position 2 Position 3 Position 4 RMS705B RMZ785 RMZ787 (1) RMZ787 (2) RMZ788 (1) Disconnect the system from power prior to attaching an extension module. 19 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Commissioning 01.04.2010...

  • Page 19: Free Configuration

    N.X1 Display of the current measured value Main menu > Commissioning > Wiring test > Outputs > Operating line, e.g. Positions Fault relay 1 Off, On 20 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Commissioning 01.04.2010...

  • Page 20: Exit Commissioning

    Displayed date when the commissioning data set was written in the device’s memory. Storage year Displayed year when the commissioning data set was written to the device's memory. 21 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Commissioning 01.04.2010...

  • Page 21: Exit Password Level

    Main menu > Device information > Position 1...4 > Operating line Comment Extension module Displays the module’s type designation. Software version Displays the module's software version. Hardware version Displays the hardware version. 22 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Commissioning 01.04.2010...

  • Page 22: General Settings

    02:00 (standard time) to 03:00 (daylight saving time), and from 03:00 (daylight saving time) to 02:00 (standard time).  If both dates are set to the same date, daylight saving/standard time changeover does not work. 23 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies General settings...
  • Page 23 The time of day on RMS705B can be readjusted and Readjustment also adjusts system time. Contr. time System time RMS705B's time is used as system default. 24 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies General settings 01.04.2010...

  • Page 24: Select Language

    Main menu > Commissioning > Settings > ..or Setting values Main menu > Settings > Device > Operating line Range Factory setting Language English 25 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies General settings 01.04.2010...

  • Page 25: Select Temperature Unit

    Main menu > Commissioning > Settings > ..or Setting values Main menu > Settings > Texts > Operating line Range Factory setting File name Max. 20 characters 26 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies General settings 01.04.2010...
  • Page 26 Business card line 2 Business card line 3 Max. 20 characters Business card line 3 Business card line 4 Max. 20 characters Business card line 4 27 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies General settings 01.04.2010...

  • Page 27: Inputs

    Remote setpoint adjuster absolute for controller 2 [Controller 3] rem setp adj* Remote setpoint adjuster absolute for controller 3 Pulse * These identifiers have additional functionality (see Section 5.2.4 "Special analog inputs 28 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...
  • Page 28 Main menu > Settings > Inputs > ...X... Operating line Range Factory setting Cause Terminal, LTE mode, S- mode, Simulation Note Section 13.2.5 explains LTE transmission and reception objects. 29 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...
  • Page 29 Main menu > Commissioning > Wiring test > Inputs > Wiring test Operating line Adjustable values / Comment N.X1 Display of the current measured value. ditto RMZ788(2).X4 ditto 30 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...

  • Page 30: Analog Inputs

     If the unit is not °C, the "Type" is always DC 0...10 V. Notes  Physically, the sensing element types LG-Ni1000, 2x LG-Ni1000 must be used (see Section 5.2.2). 31 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs...
  • Page 31  Outside temperature (see Section 5.6 "Outside temperature")  [Controller 1] rem setp adj, [Controller 2] rem setp adj, [Controller 3] rem setp adj (see Section 5.5 "Remote setpoint adjuster, absolute") 32 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...
  • Page 32 Setting values Main menu > Settings > Inputs > ...X... Operating line Setting Type 2xNi1000 Connection diagram B... B... LG-Ni 1000 LG-Ni 1000 X... B… Passive sensor 33 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...
  • Page 33 If there is no measured value due to a short-circuit, the display reads:oooo Text Effect Fault messages 101… [N.X1] sensor error … Non-urgent message; must not be RMZ788(2).X4 sensor error acknowledged. 34 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...

  • Page 34: Digital Inputs

    Main menu > Commissioning > Settings > ..or Setting values Main menu > Settings > Inputs > ...X... Operating line Range Factory setting Normal position Open, Closed Open 35 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...
  • Page 35 Main menu > Settings > Inputs > ...X... Operating line Setting Normal position Open Connection diagram F... F... p X... X... F… Detector with potential-free switching contact. 36 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...

  • Page 36: Pulse

    Setting value Main menu > Settings > Inputs > ...X... Operating line Range Factory setting Type Mechanically or Electronically Mechanically 5.4.2 Connection diagram X... Reed pulse source. 37 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...

  • Page 37: Remote Setpoint Adjuster, Absolute

    Main menu > Settings > Inputs > ...X... Operating line Range Factory setting Type 0…10 V, Ohm Value low Depending on selected type Type-dependent Value high Depending on selected type Type-dependent 38 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...
  • Page 38  Only the first input is considered if more than one input is activated as remote setpoint adjuster for the same controller. 39 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs...

  • Page 39: Outside Temperature

    Type Ni1000, 2xNi1000, T1, Pt1000, Ni1000 0…10 V Value low Depending on selected type Type-dependent Value high Depending on selected type Type-dependent  3.0…3.0 K Correction 40 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...
  • Page 40 Note The simulated outside temperature is used only locally; it is not sent via bus to other controllers. 41 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs...

  • Page 41: Assign Texts

    Factory setting N.Xx Max. 20 characters N.Xx See Section 16.4 "Editable texts RMS705B" for an overview of all editable texts and on how to reset them. 42 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Inputs 01.04.2010...

  • Page 42: Data Acquisition

    Sampling every 15 minutes, current day.  Rolling over the last 6 days: Sampling every 15 minutes, last 6 days. The 24-hour view shows the last 6 days. Note 43 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition...
  • Page 43 Display values Query the trend channels via the following menu: Main menu > Data acquisition > Trend channel 1...4 > 44 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...

  • Page 44: Event Logger

     Selectable fault message when below "Event duration min".  Selectable fault message when above "Event duration max".  A name can be assigned to each event logger input. 45 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 45 ---, N.X1, N.X2, ... Room temp via bus, Outside temp via bus Input 4 ---, N.X1, N.X2, ... Room temp via bus, Outside temp via bus 46 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 46 Main menu > Commissioning > Settings > Data acquisition > Event logger > Event logger Delete entries 1...4 > Operating line Range Factory setting Delete logger No, Yes 47 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 47  After changing the extra configuration in the event logger, previous logs are deleted when the extra configuration is closed.  No event logging takes place if "Limit value on" = "Limit value off". 48 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...

  • Page 48: Operating Hours

    The following figure provides a visual description of the above functionality: Maintenance messages for the operating hours counter Hours run since service Reset Reset Service Service message message Service interval Hours run 49 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 49 Main menu > Settings > Data acquisition > Operating hours > Operating hours 1…4 > counter to start value Operating line Range Factory setting Operating hours x 0..99999 h, settable in increments of 1. 50 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 50 * Display of the operating hours run to date. The counter counts to max. 99,999 hours and then rolls over to 0. ** This setting resets "Operating hours since service" to 0 hours and deletes the maintenance message. 51 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...

  • Page 51: Meters

    Factory setting Displayed unit Wh, kWh, MWh, kJ, MJ, GJ, ml, l, m3, Heat cost unit, No unit, BTU Displayed format 0, 0.0, 0.00, 0.000 52 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 52 Set and reset meter Main menu > Settings > Data acquisition > Meter > Meter 1...4 > readings Range Factory setting Operating line No, Yes Reset monthly values 53 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 53 During a power failure affecting RMS705B, the pulses are not counted. A restart occurs after you exit menu "Extra configuration". Pulses received between the last storage operation and restart (max. 5 minutes) are not counted. 54 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition...

  • Page 54: Calculator

     The calculated result may only be used as indicator for switching purposes and Notes cannot be used for billing purposes.  Measuring accuracy and sensor placement are prerequisites for the quality of the calculation. 55 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 55 = Volumetric flow (m³/s)  = Medium density (kg/m³) = Specific heat capacity of the medium (kJ/ (kg * K))  = Temperature difference (K) 56 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 56 -50…9999. Other possible applications for the calculator are:  Total solar power  Volumetric flow  Energy consumption  etc. 57 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 57 Calculator 1…2 Max. 20 characters Calculator 1…2 See Section 16.4 "Editable texts RMS705B" for an overview of all editable texts and on how to reset them. 58 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...
  • Page 58 Effect Fault messages 6401 [Calculator 1] formula invalid Non-urgent message; must not be acknowledged. 6402 [Calculator 2] formula invalid Non-urgent message; must not be acknowledged. 59 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Data acquisition 01.04.2010...

  • Page 59: 7-Day Time Switch

     7-day time switch from bus: 7-day time switch slave (receives time switch from bus). Note The status of 7-day time switches can be received only, but not sent to the bus. 60 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies 7-day time switch...
  • Page 60 You can copy data entered for a day to other days. If, for example, you entered data for Monday, you can copy the same profile to all other working days (Monday through Friday). 61 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies 7-day time switch 01.04.2010...
  • Page 61 You must first ensure that the operation selector is set to Auto if you want to reset its configuration later on. Otherwise, the time switch constantly maintains "On" or "Off". 62 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies 7-day time switch 01.04.2010...

  • Page 62: Holidays/Special Days

     Autonomous (neither sends nor receives).  From bus: Slave (receives holidays/special day program from the bus).  To bus: Master (sends holidays/special day program via bus). 63 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies 7-day time switch...
  • Page 63 RMS705B (master) is connected to other controllers (slaves) via communication. The time of the special day is communicated by the master and applies to all controllers in the same holidays/special day zone. 64 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies 7-day time switch 01.04.2010...
  • Page 64  These inputs work only if Holidays/special day operation is set as "Autonomous" Notes or "Master".  Activation of special days or holidays via digital inputs is not entered in the holidays/special day program, eliminating recurrence. 65 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies 7-day time switch 01.04.2010...
  • Page 65 When evaluating the priority in the holidays/special day program, only the first two entries are considered. If you enter more than two overlapping entries, the special day may no longer take priority over the holidays. 66 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies 7-day time switch 01.04.2010...

  • Page 66: Aggregates

    The logic function blocks are processed in ascending order, from 1 to 10. The following logic tables show the settable logic functions AND, NAND, OR, NOR, EXOR and EXNOR using the example of 2 inputs. 67 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 67 Logic tables NAND Input1 Input2 Output Input1 Input2 Output Input1 Input2 Output Input1 Input2 Output EXOR EXNOR Input1 Input2 Output Input1 Input2 Output 68 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 68 Operation selector 1...10 Max. 20 characters Operation selector 1...10 See Section 16.4 "Editable texts RMS705B" for an overview of all editable texts and on how to reset them. 69 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 69 00.00...59.59 m.s or* 00.00 m.s 00.00...23.50 h.m * See Notes on the time format in Section 8.1.1 The minimum on-time always takes effect after a switch-on command. 70 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 70 3. On by "On time minimum" 4. Off by "Switch-on delay" 5. On by "Switch-off delay" 6. On by "Operation selector" 7. On by logic inputs 71 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 71 [Logic A switching value 1] on 35 °C [Logic A switching value 1] off 65 °C [Logic B switching value 1] on 60 °C [Logic B switching value 1] off 72 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 72 Operating line Comment Logic 1 > [Logic A] function Logic 2 > [Logic A] function Note Truth table for RS flip-flop: Reset State Save Reset Undetermined 73 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...

  • Page 73: Comparator

    Important: The changeover impacts all time-related parameters of the comparator (switch-on/off delay and min. switch-on/off time).  Time format "h:m" offers a 10-minute increment setting range. 74 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates...
  • Page 74 00.00...23.50 h.m * See Notes on the time format in Section 8.2.1 The "Switch-on delay" acts on the switch-on command, the "Switch-off delay" on the switch-off command. 75 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates...
  • Page 75 You can directly switch on and off the comparator's relays during the wiring test. Main menu > Commissioning > Wiring test > Outputs > Wiring test Operating line Comment Comparator 1 Off, On Comparator 2 Off, On 76 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 76 The output for the comparator is set to "Off" when the input values are compared to various units or when there is a sensor error on the input. 77 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...

  • Page 77: Rotary Step Switch

    Output Section Precommand 8.3.8 Precommand 8.3.7 Star Start conditions 1,2,3,4, and 8.3.11 Command 8.3.5 co i nt nuous Fault status message aggregates 8.3.12 Load 8.3.6 A,B,C,D 78 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 78 Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Range Factory setting Type Linear, Flexible, Binary Linear 79 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 79 Start switching outputs A+B+C (Example 6) A+B+C+D The following pages provide practical examples, function diagrams, and configuration diagrams for these applications options. 80 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 80 1 Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Setting Type Linear 81 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 81 (See Section 8.3.11 for more information on start conditions). Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Setting Type Linear 82 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 82 Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Setting Type Linear 83 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 83 Modul. output Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Setting Type Linear 84 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 84 Modul. output Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Setting Type Linear 85 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 85 Logic 2 Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Setting Type Linear 86 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 86 Logic 2 Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Setting Type Linear 87 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 87 Sequence A, B, C, D Aggregate B Sequence B, C, D, A Aggregate C Sequence C, D, A, B Aggregate D Sequence D, A, B, C 88 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 88 First in first out No/Yes With this setting, an additional aggregate can be switched even if the locking time of the aggregate switched off most recently has not yet expired. 89 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates...
  • Page 89 Start (Example 3) A+B+C A+B+C+D The following pages provide practical examples, function diagrams, and configuration diagrams for these applications options. 90 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 90 Main menu > Settings > Aggregates > Rotary step switch > Rotary step switch 1…2 > Operating line Range Setting Output A 0.1…999.9 Output B 0.1…999.9 Output C 0.1…999.9 Output D 0.1…999.9 91 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 91 Operating line Setting [Switching value 1] load 20 % [Switching value 2] load 40 % [Switching value 3] load 40 % Min output A Output A 92 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 92 Main menu > Settings > Aggregates > Rotary step switch > Rotary step switch 1…2 > Operating line Range Setting Output A 0.1…999.9 Min output A 0.0…999.9 Output B 0.1…999.9 Min output B 0.0…999.9 93 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 93 Output Aggregate A = 5 kW, Aggregate B = 5 kW  Expressed in kW: Operating line Setting Output A Output B  or as ratio: Operating line Setting Output A Output B 94 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 94 C = 2/8 D = 4/8 = No modulating output. = 1 modulating output. Load assignment Load assignment applies the following pattern: 100 % 100 % 95 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 95 Start outputs A+B+C A+B+C+D The following pages provide practical examples, function diagrams, and configuration diagrams for these applications options. 96 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 96 1 Main menu > Extra configuration > Aggregates > Rotary step switch > Rotary step switch Configuration 1…2 > Operating line Setting Type Binary 97 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 97 Logic 1 Logic 2 Main menu > Extra configuration > Aggregates > Rotary step switch > Rotary step switch Configuration 1…2 > Operating line Setting Type Binary 98 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 98 Ensures that the aggregate can restart after expiration of the set time. The time begins from the moment the aggregate is switched on. This ensures, e.g. that the heat pump restarts only after a set time. 99 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 99 00.00 m.s 00.00...59.59 m.s time  Use the precommand output Notes together with command  "Precommand runup time" and rundown time apply to all aggregates (A…D). 100 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 100 Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Adjustable values / Comment Precommand input ---, X1, X2, ... 101 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 101 Example for precommand output and input Configuration diagram: The precommand input e.g. is switched via signal "Plant on" (via Logic 1). Rotary step switch 1 Logic 1 102 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 102 Main menu > Commissioning > Extra configuration > Aggregates > Rotary step switch > Configuration Rotary step switch 1…2 > Operating line Adjustable values / Comment Load input ---, X1, X2, ... Rotary step switch 1 103 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 103 You can configure a fault message for aggregates A…D if you want the aggregate to switch off in a controlled manner in the event of a fault. Changeover selects the next available aggregate in the linear rotary step switch. 104 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 104 See Section 16.4 "Editable texts RMS705B" for an overview of all editable texts and on how to reset them. 8.3.15 Troubleshooting Run priority changeover is reset and started on the set default value following power failure. 105 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...

  • Page 105: Motor

     Switch-on to outside temperature for 1-speed motor and twin motor (Section 8.4.13).  Selectable motor kick (Section 8.4.14).  Assignable text (Section 8.4.17).  Assignable fault texts (various sections).  Operating hours count (Section 8.4.18). 106 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 106 Modul. output N.Y1 N.Q1 Control sequence Run-up and switch-off of the 1-speed motor. Switch-on delay, switch-off delay, min. switch-on time and min. switch-off time are considered. 107 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 107  If outside and exhaust air shutoff dampers (spring return motors) are used, use "Precommand rundown time" for the precommand to ensure that the dampers do not close while the fan is still coasting. 108 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 108 00.00... 59.59 m.s 00.10 m.s Rundown time 00.00... 59.59 m.s 00.10 m.s Speed 2 Function diagram Speed 1 TiRup TiCst TiRup = Runup time TiCst Rundown time 109 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 109 Special control functions optimally control a twin motor:  Run priority changeover for motor faults, automatic or manual.  Adjustable changeover period for orderly changeover of motors. 110 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates...
  • Page 110 Main menu > Commissioning > Settings > ..or Settings Main menu > Settings > Aggregates > Motor > Motor 1...6 > Operating line Range Factory setting Runup time 00.00... 59.59 m.s 00.10 m.s 111 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 111 Urgent message; must be acknowledged and reset. 1350 [Motor 5] fault Urgent message; must be acknowledged and reset. 1360 [Motor 6] fault Urgent message; must be acknowledged and reset. 112 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 112  The above times are not effective during switch-off command by motor kick or while a fault is present. 113 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates...
  • Page 113 Urgent message; must be acknowledged and reset. 1352 [Motor 5] no flow Urgent message; must be acknowledged and reset. 1362 [Motor 6] no flow Urgent message; must be acknowledged and reset. 114 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 114 Main menu > Commissioning > Settings > ..or Main menu > Settings > Aggregates > Motor > Motor 1...6 > Operating line Range Factory setting Fault None, Acknowledge, Acknowledge acknowledgement Acknowledge and reset 115 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 115  The precommand switches on if switch-on takes place via start condition 1 or 2.  The motors can be started or stopped with the "Precommand" simultaneously or delayed. Set delayed switch-on/off via "Precommand runup time" and "Precommand rundown time". 116 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates...
  • Page 116 1-speed motor controls a cold-water side pump with safety shutoff valve. The valve controlled via precommand as per the above time diagram. Function diagram Logic 1 N.Q1 N.Q2 Chilled water. 117 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 117 Precommand checkback Precommand PcmdRndw PcmdRnup PcmdRndw PcmdRnup Motor fault Fault message acknowledged + reset PcmdRnup = Precommand runup time PcmdRndw = Precommand rundown time 118 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 118  The signal can have value "On" or "Off". It is "On" after the run-up time expires. Function diagram based on TiRup 1-speed motor TiRup = Runup time 119 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 119 Stop conditions take priority over start conditions (see Section 8.4.19). The speed start condition determines which speed is to be enabled during switch- on by start condition 1 or 2 at the motor. 120 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 120  50...250 °C, --- Outside temp-dependent ON Note If the function is active and if there is a outside temperature sensor error, the motor is switched on permanently. 121 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 121 [Motor 1] A… Display of current motor speed: [Motor 6] A Off, On. [Motor 1] B… Display of current motor speed: [Motor 6] B Off, On. 122 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 122 Operating hours motor B 0...99'999 h Note The operating hours for speeds 1 and 2 are summarized for the 2-speed motor (sum of 1 and 2). 123 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...

  • Page 123: Modulating Output

    Main menu > Commissioning > Extra configuration > Aggregates > Modulating outputs > Configuration Modulating output A...H > Operating line Adjustable values / Comment Modulating output A… ---, N.Y1, N.Y2, ... / enable modulating output. Modulating output H 124 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 124 Main menu > Settings > Aggregates > Modulating outputs > Modulating output A...H > Operating line Range Factory setting Inversion No, Yes Meaning: 0...100% load = 0...100% output. Yes: 0...100% load = 100...0 % output. 125 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...
  • Page 125 You can directly control the modulating output during the wiring test. Main menu > Commissioning > Wiring test > Outputs > Wiring test Operating line Comment Modulating output A …H ----, 0...100 % 126 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Aggregates 01.04.2010...

  • Page 126: Signal Converter

    Function range B: Inputs 3 to 5. –  The calculations are carried out on all configured inputs if "Inputs split" is disabled (factor setting No). 127 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter...
  • Page 127 Factor input 1": 5 – Provide signals to the remaining 4 inputs. – Result: The output provides the average value of 9 (5 + 4) input signals. 128 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...
  • Page 128 "Min-Max-Average" block calculates the maximum from terminal values N.X3, N.X4 (both in %). The result (as % value) is used as internal, analog signal (a) from controller 1 as "Universal shift". 129 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...
  • Page 129 Comment [Min-Max-Avrg 1] A ----, 0...100 % ----, 0...100 % [Min-Max-Avrg 1] B ----, 0...100 % [Min-Max-Avrg 2] A ----, 0...100 % [Min-Max-Avrg 2] B 130 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...

  • Page 130: Enthalpy Calculator

    Temp B Temperature input B Enth B Enthalpy B RelHu B Relative humidity input B Abso Hu B Absolute humidity B Enth Diff Enthalpy difference A-B 131 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...
  • Page 131 Setting values Main menu > Settings > Signal converter > Enthalpy calculator > Operating line Range Factory setting Elevation above sea level 0…5000 500 m 132 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...
  • Page 132 ---, 0...100 % Wet bulb temperature ---, 0...100 % Enthalpy B ---, 0...100 % Absolute humidity B ---, 0...100 % Enthalpy difference ---, 0...100 % 133 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...

  • Page 133: Signal Doubler/Inverter

    Positioning signal max B* 0...100 % 100 % Inversion B No, Yes * The settings impact only signal Y, not the corresponding internal, analog output signal (a). 134 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...
  • Page 134 Input signal B limitation Output B corresponds to: "Positioning signal min B" (YminB) to "Positioning signal max B" (YmaxB). 10 V maxB minB Value low B 135 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...
  • Page 135 Main menu > Commissioning > Wiring test > Outputs > Wiring test Operating line Comment Split-Inv output A ----, 0...100 % Split-Inv output B ----, 0...100 % 136 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Signal converter 01.04.2010...

  • Page 136: C Demand, H/C Changeover

    To do this, set a heat distribution zone. Main menu > Commissioning > Communication > Distribution zones > Operating line Range Factory setting Heat distribution zone 1…31 137 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 137 RMH760 controller or RMU basic type C as "Heat demand" in °C; e.g. from a heating circuit controller or cascaded primary controller. All of these signals are handled simultaneously. 138 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 138 Min. flow temperature = "Heating flow setpoint" - "Flow temperature reduction max" Note This optimization function is enabled only if value "Flow temperature reduction max" > 0 (factory setting: 0 = disabled). 139 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover...
  • Page 139 Main menu > Commissioning > Extra configuration > Aggregates > Heat demand > Configuration Operating line Adjustable values / Comment Heat demand relay ---, N.Q1, N.Q3, ... / Enable output. 140 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 140 Heating flow setpoint = 90 °C.  Flow temperature reduction max, here 30 K.  Shifting range for output signal. 20 [°C] : Current flow temperature setpoint. 141 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 141 Main menu > Commissioning > Wiring test > Outputs > Settings Operating line Comment Heat demand relay ---, 0...100% (relay switches > 1%) Heat demand modulating ---, 0...100 % 142 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...

  • Page 142: Refrigeration Demand Function

    KNX. To do this, set a "Refrigeration distribution zone". Main menu > Commissioning > Communication > Distribution zones > Setting values Operating line Range Factory setting Refrigeration distribution zone 1…31 143 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 143  Temperature request in °C from a RMH760 controller or RMU basic type C as "Refrigeration demand" in °C; e.g. from a primary controller of a chilled water plant. 144 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 144 Control action The "Control action" of the flow temperature on the setpoint shifts can be set in three steps ("Fast", "Medium", "Slow") to adapt to the plant. 145 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover...
  • Page 145 Main menu > Commissioning > Extra configuration > Aggregates > Refrigeration demand > Configuration Operating line Adjustable values / Comment Refrig demand modulating ---, N.Y1, N.Y2 / Enable output. 146 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 146 Chilled water flow setpoint = 6 °C  Flow temperature increase max, here 3 K  Shifting range for output signal [°C] : Current flow temperature setpoint 147 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 147 Main menu > Commissioning > Wiring test > Outputs > Setting values Operating line Comment Refrigeration demand relay ---, 0...100% (relay switches > 1%). Refrig demand modulating ---, 0...100 % 148 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...

  • Page 148: H/C Demand Application Examples

    Demand from controllers 1, 2 or 3 is to be passed on (to bus, to digital (d, Q) or analog (a, Y) output). RMS705B as primary Primary controller demand is to be passed on to the bus. controller 149 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 149 (at very low demand).  Rather than the primary controller shift with analog output of the heat demand block described here, outside temperature-dependent shift is possible also. 150 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 150 [Setp compensation 1] delta -50.0…+50.0 K 30 K [Setp compensation 1] start -50.0…+500.0 °C 70 °C [Setp compensation 1] end -50.0…+500.0 °C 40 °C 151 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 151 Heat distr zone 1 Contrl. N.Q1 Main menu > Commissioning > Communication > Distribution zones > Communication settings Operating line Range Setting Heat distribution zone 1…31 152 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 152 1 N.Q1 N.Q2 Main menu > Commissioning > Communication > Distribution zones > Communication settings Operating line Range Setting Heat distribution zone 1…31 153 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 153 Contrl. N.Q1 N.Y1 Main menu > Commissioning > Communication > Distribution zones > Communication settings Operating line Range Setting Heat distribution zone 1…31 154 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 154 Heat distr zone source side ----, 1…31 Note Setpoint shift on primary controller/controller 2 can be set as "dependent on outside temperature" rather than demand-dependent. 155 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 155 ----, Sequence 1 Sequence 1 Main menu > Commissioning > Communication > Distribution zones > Communication settings Operating line Range Setting Heat distribution zone 1…31 156 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 156 In the example below, controller 1 sends its heat demand to the heat distribution zone and receives its very own demand from the same heat distribution zone. Contrl. N.Q1 157 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover...

  • Page 157: H/C Changeover

    Main menu > Commissioning > Extra configuration > Heating/cooling ch'over > Operating line Range Factory setting 2-pipe heating/cooling system No, Yes 158 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 158 Main menu > Commissioning > Extra configuration > Heating/cooling ch'over > Configuration Operating line Range Factory setting H/C changeover input ---, N.X1, N.X2, ... / 159 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 159 10.4.4 Effect of function H/C The effect of preselected H/C depends on the type of changeover and if it occurred locally or via signal from the bus. 160 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover...
  • Page 160 The current state is displayed in menu "Heating/cooling ch'over": Main menu > Heating/cooling ch'over > Operating line Comment 2-pipe heating/cooling system Heating / Cooling 161 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...
  • Page 161 Text Effect Fault message 5802 >1 heat/cool changeover signal Non-urgent message; must be acknowledged. 162 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover 01.04.2010...

  • Page 162: Combined Examples: H/C Demand, H/C Changeover

    Routing the changeover signal "heating/cooling" via the bus. Register, controlled by RMS705B. Effective range of RMS705B. Fan coil unit, e.g. FNC03, controlled by RXB. 163 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover...
  • Page 163 Routing the changeover signal "heating/cooling" via the bus.  Configure both heat and refrigeration distribution zones (see Section 10.3). Notes on the example  Configure both heat and refrigeration demand block. 164 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies H/C demand, H/C changeover...

  • Page 164: Universal Controller

    Differential input (not relevant) Main controlled variable Xx (analog) Message sent: "[Main contr var 1] sensor error" Differential input Xx (other unit as main controlled variable) 165 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...
  • Page 165 Control to absolute variable (e.g. chilled water control for chilled ceiling). Application example 1 N.X1 °C Modul. output N.Y1 Application example 2 Control to differential variable (e.g. solar storage plant). N.X1 N.X2 °C °C N.Q1 166 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...

  • Page 166: Makeup And Mode Of Operation Of The Controller

    Note Functions "Heat demand" (see Section 10) and "Refrigeration demand" (see Section 10.2) process the controller's output signal. The settings are described in the corresponding chapters. 167 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller...
  • Page 167 Main menu > Controller 1...3 > Operating line Comment [Sequence 1 \_ ] load Current controller output in 0...100%. [Sequence 4 _/ ] load Current controller output in 0...100%. 168 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...
  • Page 168 Main menu > Commissioning > Settings > … or Setting values Main menu > Settings > Controller 1...3 > Control parameters > Operating line Range Factory setting Control timeout 00.00…59.55 m.s 00.00 169 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...

  • Page 169: Universal Shift

    [Setp compensation 1] start [Setp compensation 1]  delta [Setp compensation 1] Setpoint high Setpoint low high SpHEco Eco setpoint SpLEco Eco setpoint Input variable: Current setpoint 170 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...
  • Page 170  If the sensor is connected but missing later, a fault message "[…] Sensor error X.." is generated.  If there is no limitation sensor, limitation is disabled. 171 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...

  • Page 171: General Limiter

    50 mbar, 50 Pa, 100 ppm, 10.0, 50 Integral action time Tn 00.00...60.00 m.s 01.00 m.s Main menu > Controller 1...3 > Display values Operating line Comment Actual value general limiter 172 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...
  • Page 172 (direct) cooling. Note This function is only enabled if both main controlled variable and input for general limitation use unit °C. 173 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...
  • Page 173  If the sensor is connected but missing later, a fault message "[…] Sensor error X.." is generated.  If there is no limitation sensor, limitation is disabled. 174 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...

  • Page 174: Eco Setpoint Changeover

    19 °C, 19 K, 20 %, 4 g/kg, 0 kJ/kg, selected type. 200 W/m2, 0 m/s, 0 bar, 0 mbar, 0 Pa, 0 ppm, 0 175 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...

  • Page 175: Start The Universal Controller

    Controller x Max. 20 characters Controller x See Section 16.4 "Editable texts RMS705B" for an overview of all editable texts and on how to reset them. 176 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Universal controller 01.04.2010...

  • Page 176: Faults

    Faults "No stop" and "Stop" are not available in RMS705B. Plant stops or partial plant stops are configured internally, e.g. using stop conditions or logical links to start/stop conditions of the function blocks. 177 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Faults 01.04.2010...

  • Page 177: Universal Fault Inputs (1

    Main menu > Settings > Faults > Fault input 1...20 > Operating line Range Factory setting Fault text 1 [Fault inp 1] fault Max. 20 characters 178 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Faults 01.04.2010...
  • Page 178 Without this message, only the message from one fault input would be indicated. The new fault message can be viewed on the Info level via "Bus fault messages". 179 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Faults 01.04.2010...

  • Page 179: External Fault Button

    – (audibly) remains energized until the fault is acknowledged.  No: The relay is energized upon fault. Inversion  Yes: The relay is deenergized upon fault. 180 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Faults 01.04.2010...

  • Page 180: Function Check / Wiring Test

    During the wiring test, the two fault relays can be enabled directly: Main menu > Commissioning > Wiring test > Outputs > Operating line Comment Fault relay 1 Off, On Fault relay 2 Off, On 181 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Faults 01.04.2010...

  • Page 181: Communication

     Fault message "No bus power supply" is displayed and communications interrupted if there is no bus supply.  Access using Service tool OCI700.1 is only possible if communications is enabled. 182 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication...
  • Page 182 ----, 1...31 ---- Heat distribution zone 1...31 Heat distr zone source side ----, 1...31 ---- Refrigeration distribution zone 1...31 Refrig distr zone source side ----, 1...31 ---- 183 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...
  • Page 183 To enable the function, set the desired transmission or reception zone at a terminal in RMS705B. Set the partner device accordingly. Note Transmission/reception is a 1:n relation, i.e. one sender and several recipients are possible in a transmission/reception zone. 184 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...
  • Page 184 Range Factory setting N.X1… A8(2).X4 ---, 1…4095 N.Q1…A8(2).Q5 N.Y1…A8(2).Y2 Note You can simulate bus signals using the "Simulation inputs" function when commissioning plants (see Section 5.1.3). 185 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...
  • Page 185 Main menu > Commissioning > Communication > LTE reception zones > Operating line Range Factory setting N.X1 Configuration diagram Unit 1 Unit 2 N.Y1 zone 1 186 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...
  • Page 186 Main menu > Commissioning > Communication > LTE transmission zones > Operating line Range Factory setting N.Q2 Main menu > Commissioning > Communication > LTE reception zones > Operating line Range Factory setting N.X1 187 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...
  • Page 187 Configuration diagram Unit 1 Unit 2 start Logic 1 zone 1 zone 2 188 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...
  • Page 188 Main menu > Commissioning > Communication > LTE reception zones > Operating line Range Factory setting N.X1 Configuration diagram Unit 1 Unit 2 N.Y1 zone 1 189 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...
  • Page 189 Non-urgent message; must not be acknowledged. 5902 >1 identical LTE zone Non-urgent message; must not be acknowledged. 6001 >1 identical device Urgent message; must be address acknowledged. 190 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Communication 01.04.2010...

  • Page 190: Support For Errors And Faults

    >1 heat/cool changeover signal See 10.4.12 "H/C changeover" 5902 >1 identical LTE zone See 13.2.6 "Communications" 6001 >1 identical device address See 13.2.6 "Communications" 191 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Support for errors and faults 01.04.2010...
  • Page 191 9143 [Logger 4] off before dur min See 6.2.4 "Event logger" 9144 [Logger 4] off after dur max See 6.2.4 "Event logger" 192 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Support for errors and faults 01.04.2010...

  • Page 192: Troubleshooting

    A plant has a pump with fault message to be reset locally at the pump. The plant resumes operation after the pump is reset. The only purpose of the fault indication on RMS705B is to ensure that service staff notices the fault message. 193 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Support for errors and faults 01.04.2010...
  • Page 193 You may not be able to acknowledge or reset the fault message if the type of acknowledgement is changed at a pending fault. You can also use the "Delete faults" function to reset these fault messages! 194 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Support for errors and faults 01.04.2010...

  • Page 194: Resolve Errors

    Wrong values were entered for "Flow switching value on/Off". Resolve error: Select "Settings > Motor > Motor 1… > Flow switching value n/Off" and enter the correct data. 195 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Support for errors and faults...

  • Page 195: Electrical Connections

    2. Connect wire using a screwdriver (size 0 to 1; for module connector: size 0). 3. Apply pressure with screwdriver while inserting the wire. 4. Remove screwdriver. 196 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Electrical connections...

  • Page 196: Connection Terminals

    Control or status outputs, analog DC 0...10 V. Q1x/2x/3x Potential-free relay outputs (N.O. contact) for AC 24...230 V. Potential-free relay outputs (changeover contact) for AC 24...230 V. 197 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Electrical connections...

  • Page 197: Appendix

    Runup time TiOnMin On time minimum TiOffMin Off time minimum Integral action time Setpoint WetBlb Wet bulb temperature Actual value P-band Actual value supp air temp 198 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...

  • Page 198: Configuration Diagram

    Universal module RMZ785 Universal module RMZ787 Universal module RMZ788 Physical inputs: Universal Physical outputs: Relay DC 0...10 V Internal signals (lowercase): analog or digital analog digital pulse 199 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 199 The result of logic block 1 is provided to logic block 2. As a result, the result from configuration logic block 1 is provided at logic block 2 in the same process. This allows for best possible timing to process RMS705B input signals. 200 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix...
  • Page 200 Select input identifier "Pulse" for an input. N.X1  Connection of a pulse source (mechanical or electronic).  Pulse source type can be assigned to the input. 201 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix...
  • Page 201 (special day program of time switch).  Selectable if holidays/special day zone autonomous, slave (holidays/special day information from KNX bus) or master (sends holidays/special day information to KNX bus). 202 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 202  Load signal from controller (from max 3 sequences with maximum  Modulating output A…H selection).  "Positioning signal min“ and adjustable "Positioning signal max".  Settable inversion.  Release via start input. 203 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 203  Changeover by analog or digital input.  Changeover with operating mode selector mode selector ( )  Changeover by date (  Changeover by date. 204 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 204  2 fault relays, priority (urgent, not urgent, all) and signaling can be set.  Direct connection possible for analog signals and settable threshold values.  A name can be assigned to each fault input. 205 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix...

  • Page 205: Menu Tree

    Text for: Logic 0 Text for: Logic 1 N.X2 Text for: Logic 0 Text for: Logic 1 N.X3 Text for: Logic 0 Text for: Logic 1 N.X4 207 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 206 A7 (1).X3 Text for: Logic 0 Text for: Logic 1 A7 (1).X4 Text for: Logic 0 Text for: Logic 1 A7 (2).X1 Text for: Logic 0 208 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 207 [Time switch 3] op selector Time switch 4 [Time switch 4] op selector Time switch 5 [Time switch 5] op selector Time switch 6 [Time switch 6] op selector 209 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 208 16.4.7 Calculator Main menu > Settings > Data acquisition > Calculator > Calculator 1…2 > Operating line name User-defined text Calculator 1 Unit Calculator 2 Unit 210 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 209 Operation selector 5 Logic 6 Operation selector 6 Logic 7 Operation selector 7 Logic 8 Operation selector 8 Logic 9 Operation selector 9 Logic 10 Operation selector 10 211 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 210 Rotary step switch 1 Rotary step switch 2 16.4.16 Controller Main menu > Settings > Controller 1…3 > Operating line name User-defined text Controller 1 Controller 2 Controller 3 212 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...
  • Page 211 Main menu > Settings > Texts > Operating line name User-defined text Device name File name Business card line 1 Business card line 2 Business card line 3 Business card line 4 213 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Appendix 01.04.2010...

  • Page 212: Index

    Display contrast ............ 26 Hours run counter..........49 Display meter readings ......... 54 Important notes............. 13 Eco setpoint changeover ........175 Input terminal simulation ........30 214 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Index 01.04.2010...
  • Page 213 Universal shift ............170 Universalschiebung ..........171 Performance overview .......... 12 Plant location ............132 Week schedule............60 Power up............... 18 Wiring test .............20 Precommand ............116 Precommand checkback signal......118 215 / 216 Siemens Switching and monitoring device RMS705B CE1P3124en Building Technologies Index 01.04.2010...

This manual is also suitable for:

Synco 700 rmz788Synco 700 rms705bSynco 700 rmz787

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