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Siemens S7-1500 Manual
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Siemens S7-1500 Manual

Digital input module
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  • Page 2 ___________________ Preface ___________________ Documentation guide ___________________ SIMATIC Product overview ___________________ Wiring S7-1500/ET 200MP Digital input module ___________________ DI 16x24...125VUC HF Parameters/address space (6ES7521-7EH00-0AB0) ___________________ Interrupts/diagnostic alarms Manual ___________________ Technical specifications ___________________ Dimensional drawing ___________________ Parameter data records 12/2016 A5E35681478-AC...
  • Page 3 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

  • Page 4: Preface

    Technical specifications have been updated: Module is M/P reading. Conventions The term "CPU" is used in this manual both for the CPUs of the S7-1500 automation system and for interface modules of the ET 200MP distributed I/O system. Please also observe notes marked as follows:...
  • Page 5 In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions only form one element of such a concept. Customer is responsible to prevent unauthorized access to its plants, systems, machines and networks.

  • Page 6: Table Of Contents

    Table of contents Preface ..............................4 Documentation guide ..........................7 Product overview ..........................11 Properties ..........................11 Wiring ..............................13 Wiring and block diagram ...................... 13 Parameters/address space ........................15 Parameters ..........................15 Declaration of parameters ...................... 16 Address space ........................17 Interrupts/diagnostic alarms ........................

  • Page 7: Documentation Guide

    Documentation guide The documentation for the SIMATIC S7-1500 automation system, the CPU 1516pro-2 PN based on SIMATIC S7-1500 and the SIMATIC ET 200MP distributed I/O system is arranged into three areas. This arrangement enables you to access the specific content you require.
  • Page 8 Documentation guide General information The function manuals contain detailed descriptions on general topics regarding the SIMATIC S7-1500 and ET 200MP systems, e.g. diagnostics, communication, motion control, Web server, OPC UA. You can download the documentation free of charge from the Internet (http://w3.siemens.com/mcms/industrial-automation-systems-simatic/en/manual-...
  • Page 9 ● Manuals, characteristics, operating manuals, certificates ● Product master data You can find "mySupport" - CAx data on the Internet (http://support.industry.siemens.com/my/ww/en/CAxOnline). Application examples The application examples support you with various tools and examples for solving your automation tasks. Solutions are shown in interplay with multiple components in the system - separated from the focus on individual products.
  • Page 10 You can find the SIMATIC Automation Tool on the Internet (https://support.industry.siemens.com/cs/ww/en/view/98161300). PRONETA With SIEMENS PRONETA (PROFINET network analysis), you analyze the PROFINET network during commissioning. PRONETA features two core functions: ● The topology overview independently scans PROFINET and all connected components.

  • Page 11: Product Overview

    Product overview Properties Part number: 6ES7521-7EH00-0AB0 View of the module Figure 2-1 View of the module DI 16x24...125VUC HF Properties The module has the following technical properties: ● 16 digital inputs; electrically isolated in groups of 1 ● Rated input voltage 24 V UC to 125 V UC ●...
  • Page 12 Other components The following component must be ordered separately: Front connectors, including potential jumpers and cable ties You can find additional information on accessories in the system manual S7-1500/ET 200MP (http://support.automation.siemens.com/WW/view/en/59191792). Digital input module DI 16x24...125VUC HF (6ES7521-7EH00-0AB0) Manual, 12/2016, A5E35681478-AC...

  • Page 13: Wiring

    Wiring and block diagram This section contains the block diagram of the module and outlines various wiring options. You can find information on wiring the front connector, establishing a cable shield, etc. in the system manual S7-1500/ET 200MP (http://support.automation.siemens.com/WW/view/en/59191792). Note...
  • Page 14 Wiring 3.1 Wiring and block diagram Resistor circuitry of the encoders To detect a wire break, it is necessary that enough quiescent current is flowing even when the encoder contacts are open. Connect a resistor to the encoder contacts for this reason, see figure below.

  • Page 15: Parameters/Address Space

    The following configurations are possible: ● Central operation with a S7-1500 CPU ● Distributed operation on PROFINET IO in an ET 200MP system ● Distributed operation on PROFIBUS DP in an ET 200MP system For parameter assignment in the user program, the parameters are transferred to the module using the WRREC instruction (parameter assignment in RUN) and data records;...

  • Page 16: Declaration Of Parameters

    Parameters/address space 4.2 Declaration of parameters Note Input delay for AS input voltages If you are operating channels of the module with an AC input voltage, you must set the input delay for these channels at 20 ms. If you set a different input delay, the input signal might be incorrectly altered and the wrong value read.

  • Page 17: Address Space

    Parameters/address space 4.3 Address space Address space The module can be configured differently in STEP 7; see following table. Depending on the configuration, additional/different addresses are assigned in the process image of the inputs. The letters "a" and "b" are printed on the module. "IB a" for example, stands for module start address input byte a.
  • Page 18 Parameters/address space 4.3 Address space Address space for configuration as 16-channel DI 16x24...125VUC HF QI The figure below shows the assignment of the address space for the configuration as a 16-channel module with value status. You can freely assign the start address for the module. The addresses of the channels are derived from the start address.
  • Page 19 Parameters/address space 4.3 Address space Address space for configuration as 1 x 16-channel DI 16x24...125VUC HF MSI The channels 0 to 15 of the module are copied in up to four submodules with configuration 1 x 16-channel module (Module-internal shared input, MSI). Channels 0 to 15 are then available with identical input values in different submodules.
  • Page 20 You can find information on the module-internal shared input/shared output (MSI/MSO) function in the section Module-internal shared input/shared output (MSI/MSO) of the function manual PROFINET with STEP 7 V13 (https://support.industry.siemens.com/cs/ww/en/view/49948856). Digital input module DI 16x24...125VUC HF (6ES7521-7EH00-0AB0) Manual, 12/2016, A5E35681478-AC...

  • Page 21: Interrupts/Diagnostic Alarms

    Interrupts/diagnostic alarms Status and error displays LED displays The following figure shows the LED displays (status and error displays) of module. Figure 5-1 LED displays of the module DI 16x24...125VUC HF Digital input module DI 16x24...125VUC HF (6ES7521-7EH00-0AB0) Manual, 12/2016, A5E35681478-AC...
  • Page 22 Interrupts/diagnostic alarms 5.1 Status and error displays Meaning of the LED displays The tables below explain the meaning of the status and error displays. LED RUN/ERROR Table 5- 1 RUN/ERROR status and error displays Meaning Remedy ERROR Voltage missing or too low at backplane bus. Switch on the CPU and/or the system pow- •...

  • Page 23: Interrupts

    Interrupts/diagnostic alarms 5.2 Interrupts Interrupts Digital input module DI 16x24...125VUC HF supports diagnostic and hardware interrupts. You can find detailed information on the error event in the error organization block with the "RALRM" instruction (read additional interrupt info) and in the STEP 7 online help. Diagnostics interrupt The module generates a diagnostic interrupt at the following events: ●...
  • Page 24 Interrupts/diagnostic alarms 5.2 Interrupts Structure of the additional interrupt information Table 5- 3 Structure of USI = W#16#0001 Data block name Contents Comment Bytes W#16#0001 Additional interrupt info for hardware interrupts of the I/O module (User Structure Identifier) The channel that triggered the hardware interrupt follows. Channel B#16#00 to B#16#0F Number of the event-triggering channel (chan-...

  • Page 25: Diagnostics Alarms

    Interrupts/diagnostic alarms 5.3 Diagnostics alarms Diagnostics alarms Diagnostics alarms A diagnostics alarm is generated and the ERROR LED flashes for each diagnostics event on the module. The diagnostics alarms can be read out in the diagnostics buffer of the CPU, for example.

  • Page 26: Technical Specifications

    Technical specifications Technical specifications of the DI 16x24...125VUC HF Order number 6ES7521-7EH00-0AB0 General information Product type designation DI 16x24 ... 125VUC HF HW functional status FS01 Firmware version V1.0.0 FW update possible • Product function Yes; I&M0 to I&M3 I&M data •...
  • Page 27 Technical specifications Order number 6ES7521-7EH00-0AB0 Input voltage AC/DC Type of input voltage • 24 V; 48 V, 125 V Rated value (DC) • 24 V; 48 V, 125 V (50 - 60 Hz) Rated value (AC) • -5 ... +5 V for signal "0"...
  • Page 28 Technical specifications Order number 6ES7521-7EH00-0AB0 Diagnostic messages Monitoring the supply voltage • Yes; To I < 550 µA Wire-break • Short-circuit • Diagnostics indication LED Yes; Green LED RUN LED • Yes; Red LED ERROR LED • Monitoring of the supply voltage (PWR- •...
  • Page 29 Power reduction (derating) in relation to the mounting position and ambient temperature (per module) The following graphs show the number of channels (CHx) that can be used simultaneously in relation to the mounting position of the S7-1500/ET 200MP automation system and the ambient temperature.

  • Page 30: Dimensional Drawing

    Dimensional drawing Dimensional drawing The dimensional drawing of the module on the mounting rail, as well as a dimensional drawing with open front cover, are provided in this appendix. Always observe the specified dimensions for installations in cabinets, control rooms, etc. Figure A-1 Dimension drawing of the DI 16x24...125VUC HF module Digital input module DI 16x24...125VUC HF (6ES7521-7EH00-0AB0)
  • Page 31 Dimensional drawing A.1 Dimensional drawing Figure A-2 Dimension drawing of the DI 16x24...125VUC HF module, side view with open front cover Digital input module DI 16x24...125VUC HF (6ES7521-7EH00-0AB0) Manual, 12/2016, A5E35681478-AC...

  • Page 32: Parameter Data Records

    Parameter data records Parameter assignment and structure of the parameter data records The data records of the module have an identical structure, regardless of whether you configure the module with PROFIBUS DP or PROFINET IO. Dependencies for configuration with GSD file When a GSD file is used to configure a module, dependencies can arise when "assigning the parameters".

  • Page 33: Structure Of The Parameter Data Records

    Parameter data records B.2 Structure of the parameter data records Structure of the parameter data records Assignment of data record and channel For the configuration with 1 x 16-channel, the parameters are located in data records 0 to 15 and are assigned as follows: ●...
  • Page 34 Parameter data records B.2 Structure of the parameter data records Data record structure The figure below shows the structure of data record 0 for channel 0 as an example. The structure is identical for channels 1 to 15. The values in byte 0 and byte 1 are fixed and may not be changed.

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Et 200mp

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