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C1900 Search for or click on Further publications are available for free download circular chart recorder/controller from: Data Sheet C1900 DS/C1900RC-EN www.abb.com/recorders Circular chart recorder/controller or by scanning this code: Quick Reference Guide IM/C1900-QC Circular chart recorder/controller Installation Guide C1900...
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Electrical safety Health and safety This equipment complies with the requirements of CEI/IEC To ensure that our products are safe and without risk to health, 61010-1:2001-2 ‘Safety Requirements for Electrical Equipment the following points must be noted: for Measurement, Control and Laboratory Use’. If the •...
CONTENTS 1 INTRODUCTION Section Page The documentation for the C1900 series of circular chart recorders is shown in Fig. 1.1. The , including Standard Manuals the specification sheet, are supplied with all instruments. The INTRODUCTION ............1 supplied depend on the specification of Supplementary Manuals the instrument.
2 SETTING UP 2.1 Instrument Power-up – Fig. 2.1 and 2.2 1914 r Caution. Ensure that all connections, especially to the tESt earth stud, are made correctly. Instrument Test identifies the instrument type, e.g. a) Check that the input sensors are installed correctly. 1914r –...
2 SETTING UP… 2.1.1 Power-up Error Codes If any of the power-up tests fail (see Fig. 2.2), error codes are displayed to identify the fault. Refer to Fig. 2.3 for error code interpretations. Configuration and battery-backed RAM errors Action Code Error No error None...
…2 SETTING UP 2.2 Fitting the Chart – Fig. 2.4 2.3 Fitting the Pen Capsule(s) – Fig. 2.5 Raise pens Raise pens Lift the chart clamp and remove the chart Gently pull the arm off the bracket – see Note Fit new chart ensuring Note.
3 DISPLAYS & CONTROLS The displays, LED indicators and operation/programming controls are located on the faceplates on the front panel of the instrument – see Fig 3.1. 3.1 Displays and LED Indicators – Fig. 3.1 The displays comprise 2 rows of 6 characters. At the top of each programming page (the page header) both displays are used to describe the particular page selected.
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…3 DISPLAYS & CONTROLS… Used to program all Channels Instrument Identification Control Blank Blank 100. 3 100. 5 1911 Control Record Blank 100. 3 1912 100. 5 1913 Control Record Record 100. 3 1914 100. 5 Control Control Blank 100. 3 200.
3 DISPLAYS & CONTROLS 3.2 Use of Controls – Fig. 3.3(a) to (g) Page 1 Page 2 Lift/Lower pen on alternate operations Frame 1 Frame 1 Frame 2 Frame 2 Frame 3 Frame 3 Note. If is selected in the 'Auto Pen Drop' Set Up Chart Return from...
4 GENERAL OPERATION Note. The pages are displayed only if an alarm is active. Alarm Acknowledge Fig. 4.1 Summary of Operating Levels for Different Faceplate Types...
4 GENERAL OPERATION The instrument has dedicated Operating Pages – see Fig. 4.1. These pages are used for general monitoring of the process measurements and are not affected by the security system which inhibits access to the programming and control pages only – see Section 5.5 on page 18.
5 CONTROL OPERATION Note. The pages are displayed only if an alarm is active. Alarm Acknowledge Fig. 5.1 Summary of Operating Level Frames (Standard Control)
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5 CONTROL OPERATION… Note. The pages are displayed only if an alarm is active. Alarm Acknowledge Fig. 5.2 Summary of Operating Level Frames (Heat/Cool Control)
…5 CONTROL OPERATION 5.1 Operating Page Introduction 5.1.4 Cascade Control The master in a cascade set-up is always channel 1 and the 5.1.1 Set Point Tracking slave is always channel 2. If the slave is switched to manual With set point tracking enabled ( control with cascade set point selected, the slave's set point Set Points Page, CONTROL ) the local set point value tracks the...
5 CONTROL OPERATION… 5.2 Operating Page Displays Process Variable 100. 3 Control Set Point 110. 5 The set point in use is displayed (Local, Remote, Dual or Cascade). If the Local or Dual set point is displayed it can be adjusted using the keys, providing adjustment is enabled in the Set Up Operating Page...
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…5 CONTROL OPERATION …5.2 Operating Page Displays 100. 3 r50. 0 Process Variable 100. 3 Temperature Units dEG F NONE The units are set in the Display is blank if ' ' is BASIC CONFIGURATION LEVEL. selected. Set Point Type Selection LOCAL rEMOtE displays show the difference between the...
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5 CONTROL OPERATION… …5.2 Operating Page Displays Profile Option bIAS 0. 0 Profile Program Selected Profile Status: rAMP StOP rAMP StOP – waiting for run command, profile is inactive rAMP – program is running and ramping SOAK SOAK – program is running and soaking HOLd HOLd –...
…5 CONTROL OPERATION 5.3 Alarm Acknowledge Page 5.3.3 Using the Alarm Acknowledge Page No Alarm Active 5.3.1 Alarm Indications – Fig. 5.5 No LED indicators illuminated. The definitions for alarm states (on, off or flashing) are detailed in Fig. 5.5. 5.3.2 Acknowledging Alarms Unacknowledged alarms can be acknowledged from the faceplates on the front of the instrument in two ways:...
5 CONTROL OPERATION… 5.4 Totals Page Displays This page is omitted from both faceplates if the is not fitted. The page is also omitted from faceplate 1 if is set Totalizer Option Total 1 and from faceplate 2 if is set to –...
The upper display shows the EPROM version, e.g. 2001 and the lower EPROM display shows the EPROM issue number. Issue Number Option OPt 10N Shows the software key option type. For details of the options, refer to the Data Sheet, SS/C1900RC tYPE...
5 CONTROL OPERATION… 5.6 Profile States Page Page Header – Profile States PrOFLE StAtES key can be programmed to jump to this frame ( Set Up Function Keys Page ). If the key is used, the display reverts ADVANCED CONFIGURATION LEVEL automatically to the first frame of the when leaving this page.
…5 CONTROL OPERATION 5.7 Auto-tuning Introduction Information. • On demand user-activated tuning. • Two types of auto-tuning – initial 'Start-up' and when close to Set Point. • Tuning for P, PI or PID control can be selected. • Tuning for 1/4 wave damped or minimum overshoot can be selected. •...
5 CONTROL OPERATION… 5.7.1 Auto-tuning Page Information on Initial Conditions. • 'Start-up' Tuning – the controller is placed in the Manual control mode with the control output value set to give a stable process variable at least 10% of the engineering range below the control set point. •...
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…5 CONTROL OPERATION …5.7.1 Auto-tuning Page Hysteresis Value HYSt The hysteresis value is entered in engineering units and is used to determine when to change the controller output value. 10. 0 – when the process variable crosses the hysteresis band 'At Set Point' Tuning only Start-up (plus and minus the hysteresis value), the controller output changes by plus and...
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5 CONTROL OPERATION… …5.7.1 Auto-tuning Page Auto-tune Status/Enable At–OFF StArt StArt Select to enable auto-tune cycle. The 'AT' (auto-tune) LED is illuminated. The time taken for completion of auto-tuning is dependent on the speed of response of the controlled process. AUtO Note.
…5 CONTROL OPERATION 5.8 Auto-tune Diagnostic Messages Message Explanation Action Flashing The auto-tune process has selected a Because of the process characteristics, A–tUNE Pb–INt with proportional band or integral action time re-trying the auto-tuning process is CAUtN HI– LMt above the high limits of these parameters unlikely to improve the calculated so the high value has been used.
5 CONTROL OPERATION… 5.9 Introduction to Standard Control Engineering Range –500 1000 1500 Point Proportional Band 200% Proportional Band Settings Control Set Point Examples shown with a Proportional Band Offset of 50% Manual Reset Settings Information. Proportional control gives an output that is proportional to the deviation of the process variable Information.
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…5 CONTROL OPERATION …5.9 Introduction to Standard Control Proportional Band Settings Set Point Integral Step = 100 Proportional Step = 100 Time Approach Band Settings Derivative Action Time Bandwidth = Seconds Approach Band x Proportional Band Example shows an Integral Action Time of 30 seconds Information.
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5 CONTROL OPERATION… …5.9 Introduction to Standard Control Example shows a Cycle Time of 20 seconds 50% Offset Mark Mark Space Space Set Point 1000 Cycle Time Cycle Time % Proportional Band 0% Offset % Output = x 100 % Output = x 100 % Output = 50% % Output = 25%...
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…5 CONTROL OPERATION …5.9 Introduction to Standard Control Initial Settings • Proportional Band = 100% • Integral Action Time = OFF • Derivative Action Time = OFF • Adjust the set point a small amount • Hold the set point at the new value until Decrease Proportional Band Increase Proportional Band the process begins to move...
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5 CONTROL OPERATION… …5.9 Introduction to Standard Control Effect Of Response Settings Response Contributions Too High Too Low Hysteresis too high Process swings Helps to prevent rapid Output switches On/Off Hysteresis too far above and switching of output too rapidly below set point Hysteresis too Low High Prop.
…5 CONTROL OPERATION 5.9.1 Control Page (Standard Control) Page Header – Control Page CONtrL PAGE Cycle Time (applicable only for control using relay output) CYCt 300. 0 This setting can be ignored for analog control outputs. 1. 0 1. 0 Set the required cycle time for time proportioning control, from 1.0 to 300.0 in 0.1 second increments (300 seconds = 5 minutes) –...
…5 CONTROL OPERATION 5.10.1 Control Page (Heat/Cool Control) Page Header – Control Page CONtrL PAGE Cycle Time (heat output) CYCt h 300. 0 This setting can be ignored for analog control outputs. 1. 0 1. 0 Set the required cycle time for time proportioning control, from 1.0 to 300.0 in 0.1 second increments (300 seconds = 5 minutes).
5 CONTROL OPERATION …5.10.1 Control Page (Heat/Cool Control) Manual Reset (cool output) MrESEt c 100. 0 Set the required proportional band offset, between 0.0 and 100.0% of the 50. 0 0. 0 engineering range span in 0.1% increments. Integral 999. 0 Derivative Action Time dErIV 0.
6 RECORD OPERATION Display Channels 2 and 3 Display Channels 3 and 4 Record Faceplate 2 Record Faceplate 3 If all Totalizers are If all Totalizers are off or Totalizer off or Totalizer See Note See Note option not fitted option not fitted Totals Page Totals Page...
6 RECORD OPERATION… 6.1 Operating Page Displays Faceplate 2 for channels 2 and 3 Faceplate 3 for channels 3 and 4 Process Variable 2 (PV2) Process Variable 3 (PV3) 200. 3 300. 3 Process Variable 3 (PV3)* Process Variable 4 (PV4)* 300.
…6 RECORD OPERATION 6.2 Alarm Acknowledge Page 6.2.3 Using the Alarm Acknowledge Page No Alarm Active 6.2.1 Alarm Indications – Fig. 6.2 No LED indicators illuminated. The definitions for alarm states (on, off or flashing) are detailed in Fig. 6.2. 6.2.2 Acknowledging Alarms Unacknowledged alarms can be acknowledged from the faceplate controls on the front panel in two ways:...
6 RECORD OPERATION 6.3 Totals Page Displays This page is omitted from both faceplates if the is not fitted. The page is also omitted from faceplate 2 if both Totals Totalizer Option 2 and 3 are set to and from faceplate 3 if both Totals 3 and 4 are set to –...
7 SIMPLE FAULT FINDING Symptom Possible Cause Action Does not power up a) Internal fuse (if fitted) is blown a) Check wiring, rectify fault and replace fuse b) Internal power switch (if fitted) is OFF b) Turn power switch ON c) Power supply connections are incorrect c) Check connections Chart does not appear to move...
8 SPARES LIST Item Part No. Pen Capsules (pack of 3) Black C1900/0119 Blue C1900/0120 C1900/0121 Green C1900/0122 Violet* C1900/0123 Pen Arm Assemblies ER/C Type Chart (J or R in Code Number) – Standard Pen C1900/0076 ER/C Type Chart (J or R in Code Number) – Event Pen C1900/0078 PX105 and PXR105 Type Chart (K or S in Code Number) –...
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We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document.