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Siemens SIMATIC ET 200MP Manual

Analog input module ai 8xu/i/r/rtd ba
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  • Page 2 Preface ___________________ Documentation guide ___________________ SIMATIC Product overview ___________________ ___________________ Wiring S7-1500/ET 200MP Analog Input Module AI 8xU/I/R/RTD BA ___________________ Parameters/address space (6ES7531-7QF00-0AB0) ___________________ Interrupts/diagnostics alarms Manual ___________________ Technical specifications ___________________ Dimensional drawing ___________________ Parameter data records Representation of analog values 03/2019 A5E44792324-AA...
  • 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

    Purpose of the documentation This manual supplements the system manual S7-1500/ET 200MP (https://support.industry.siemens.com/cs/ww/en/view/59191792). Functions that relate in general to the systems are described in this system manual. The information provided in this manual and in the system/function manuals supports you in commissioning the systems.
  • Page 5 Siemens' products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customers' exposure to cyber threats.

  • Page 6: Table Of Contents

    Table of contents Preface ..............................3 Documentation guide ..........................6 Product overview ..........................10 Properties ..........................10 Wiring ..............................13 Parameters/address space ........................18 Measuring types and ranges ....................18 Parameters ..........................20 Declaration of parameters ...................... 23 Address space ........................25 Interrupts/diagnostics alarms .........................

  • Page 7: Documentation Guide

    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 (https://support.industry.siemens.com/cs/ww/en/view/109742691). Changes and supplements to the manuals are documented in a Product Information. You can download the product information free of charge from the Internet (https://support.industry.siemens.com/cs/us/en/view/68052815).
  • Page 8 You must register once to use the full functionality of "mySupport". You can find "mySupport" on the Internet (https://support.industry.siemens.com/My/ww/en). "mySupport" - Documentation In the Documentation area in "mySupport" you can combine entire manuals or only parts of these to your own manual.
  • Page 9 Solutions are shown in interplay with multiple components in the system - separated from the focus on individual products. You will find the application examples on the Internet (https://support.industry.siemens.com/sc/ww/en/sc/2054). TIA Selection Tool With the TIA Selection Tool, you can select, configure and order devices for Totally Integrated Automation (TIA).
  • Page 10 You can find SIEMENS PRONETA on the Internet (https://support.industry.siemens.com/cs/ww/en/view/67460624). SINETPLAN SINETPLAN, the Siemens Network Planner, supports you in planning automation systems and networks based on PROFINET. The tool facilitates professional and predictive dimensioning of your PROFINET installation as early as in the planning stage. In addition, SINETPLAN supports you during network optimization and helps you to exploit network resources optimally and to plan reserves.

  • Page 11: Product Overview

    Product overview Properties Article number 6ES7531-7QF00-0AB0 View of the module Figure 2-1 View of the AI 8xU/I/R/RTD BA module Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...
  • Page 12 Product overview 2.1 Properties Properties The module has the following technical properties: ● 8 analog inputs ● Voltage measurement type can be set per channel ● Current measurement type can be set per channel ● Resistor measurement type can be set per channel ●...
  • Page 13 For example, you order the front connector including the potential bridge and cable tie separately. You can find additional information on accessories and the article number in the system manual S7-1500/ET 200MP (https://support.industry.siemens.com/cs/ww/en/view/59191792). Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...

  • Page 14: Wiring

    You can find information on wiring the front connector, creating a cable shield, etc. in the Wiring section of the system manual S7-1500/ET 200MP (https://support.industry.siemens.com/cs/ww/en/view/59191792). Note • You may use and combine the different wiring options for all channels.
  • Page 15 Wiring Block diagram and pin assignment for voltage measurement The example in the following figure shows the pin assignment for voltage measurement. ① Analog-to-digital converter (ADC) Channel or 8 x channel status (green/red) ② Backplane bus interface Status display LED (green) ③...
  • Page 16 Wiring Connection: 4-wire transmitters for current measurement The example in the following figure shows the pin assignment for current measurement with 4-wire transmitters. ① Analog-to-digital converter (ADC) Channel or 8 x channel status (green/red) ② Backplane bus interface Status display LED (green) ③...
  • Page 17 Wiring Connection: 2-wire transmitters for current measurement The example in the following figure shows the pin assignment for current measurement with 2-wire transmitters. ① Analog-to-digital converter (ADC) Channel or 8 x channel status (green/red) ② Backplane bus interface Status display LED (green) ③...
  • Page 18 Wiring Connection: 2-wire and 3-wire connection of resistance sensors or resistance thermometers (RTD) The example in the following figure shows the pin assignment for 2-wire and 3-wire connections of resistance sensors or resistance thermometers. ① 3-wire connection Channel or 8 x channel status (green/red) ②...

  • Page 19: Parameters/Address Space

    Parameters/address space Measuring types and ranges Introduction The module is set to voltage measurement type with measuring range ±10 V by default. You need to reassign the module parameters with STEP 7 if you want to use a different measurement type or range. Deactivate the input if it is not going to be used.
  • Page 20 Parameters/address space 4.1 Measuring types and ranges The tables of the input ranges, overflow, underrange, etc. are available in the appendix Representation of analog values (Page 52). Note Wire break in voltage measuring ranges "Wire break" diagnosis can be configured for the "Voltage" measurement type with the "Measuring range 1 to 5 V".

  • Page 21: Parameters

    Parameters/address space 4.2 Parameters The diagram below shows the temperature profile and the corresponding switching points. Figure 4-2 Temperature profile and the corresponding switching points Parameters Parameters of AI 8xU/I/R/RTD BA When you assign the module parameters in STEP 7, you use various parameters to specify the module properties.
  • Page 22 Parameters/address space 4.2 Parameters The following parameter settings for the channels are possible: Table 4- 2 Configurable parameters and their defaults Parameters Range of values Default Parameter as- Scope with configuration software, setting signment in e.g., STEP 7 (TIA Portal) GSD file GSD file PROFINET IO...
  • Page 23 Parameters/address space 4.2 Parameters Parameters Range of values Default Parameter as- Scope with configuration software, setting signment in e.g., STEP 7 (TIA Portal) GSD file GSD file PROFINET IO PROFIBUS DP Hardware interrupts Yes/No Channel Hardware interrupt low • limit 1 Yes/No Channel Hardware interrupt high...

  • Page 24: Declaration Of Parameters

    Parameters/address space 4.3 Declaration of parameters Declaration of parameters Overflow Enabling of the diagnostics if the measured value violates the high limit. Underflow Enabling of the diagnostics when the measured value violates the low limit. Common mode error Enabling of diagnostics if the valid common mode voltage is exceeded. Wire break Enabling of the diagnostics if the module has no current flow or the current is too weak for the measurement at the corresponding configured input or the applied voltage is too low.
  • Page 25 Parameters/address space 4.3 Declaration of parameters The following figure shows the number of module cycles after which the smoothed analog value is almost 100%, depending on the set smoothing. It is valid for each signal change at the analog input. ①...

  • Page 26: Address Space

    Parameters/address space 4.4 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. Configuration options of AI 8xU/I/R/RTD BA You can configure the module with STEP 7 (TIA Portal) or with a GSD file.
  • Page 27 Parameters/address space 4.4 Address space Address space of AI 8xU/I/R/RTD BA The following figure shows the address space allocation for the configuration as 8-channel module. You can freely assign the start address for the module. The addresses of the channels are derived from the start address. "IB x"...
  • Page 28 Parameters/address space 4.4 Address space Address space for configuration as 8 x 1-channel AI 8xU/I/R/RTD BA QI For the configuration as a 8 x 1-channel module, the channels of the module are divided into multiple submodules. The submodules can be assigned to different IO controllers when the module is used in a shared device.
  • Page 29 Parameters/address space 4.4 Address space Address space for configuration as 1 x 8-channel AI 8xU/I/R/RTD BA MSI The channels 0 to 7 of the module are copied in up to four submodules with configuration 1 x 8-channel module (Module-internal shared input, MSI). Channels 0 to 7 are then available with identical input values in different submodules.
  • Page 30 Parameters/address space 4.4 Address space The figure below shows the assignment of the address space with submodules 1 and 2. Figure 4-6 Address space for configuration as 1 x 8-channel AI 8xU/I/R/RTD BA MSI with value status Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...
  • Page 31 Address space for configuration as 1 x 8-channel AI 8xU/I/R/RTD BA MSI with value status Reference You can find information on the Shared Input/Output (MSI/MSO) function in the section Module-Internal Shared Input/Output (MSI/MSO) of the PROFINET with STEP 7 V15 (https://support.industry.siemens.com/cs/ww/en/view/49948856) function manual. Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...

  • Page 32: Interrupts/Diagnostics Alarms

    Interrupts/diagnostics alarms Status and error displays LED displays The figure below shows the LED displays (status and error displays) of AI 8xU/I/R/RTD BA. Figure 5-1 LED displays of the AI 8xU/I/R/RTD BA module Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...
  • Page 33 Interrupts/diagnostics alarms 5.1 Status and error displays Meaning of the LED displays The following tables explain the meaning of the status and error displays. Remedial measures for diagnostic alarms can be found in section Diagnostic alarms (Page 35). RUN and ERROR LED Table 5- 1 Status and error displays RUN and ERROR LEDs...

  • Page 34: Interrupts

    Interrupts/diagnostics alarms 5.2 Interrupts Interrupts Analog input module AI 8xU/I/R/RTD BA supports the following diagnostic and hardware interrupts. You can find detailed information on the event in the error organization block with the "RALRM" instruction (read additional interrupt info) and in the STEP 7 online help. Diagnostic interrupt The module generates a diagnostic interrupt at the following events: ●...
  • Page 35 Interrupts/diagnostics alarms 5.2 Interrupts Reaction when reaching limits 1 and 2 at the same time If the two high limits 1 and 2 are reached at the same time, the module always signals the hardware interrupt for high limit 1 first. The configured value for high limit 2 is irrelevant. After processing the hardware interrupt for high limit 1, the module triggers the hardware interrupt for high limit 2.

  • Page 36: Diagnostics Alarms

    RDREC or RD_REC using data record 0 and 1. The structure of the data records is available in the "Manual for interface module IM 155-5 DP ST (6ES7155-5BA00-0AB0)" on the Internet (https://support.industry.siemens.com/cs/ww/en/view/78324181). Table 5- 4 Diagnostics alarms, their meaning and corrective measures...

  • Page 37: Technical Specifications

    Technical specifications Technical specifications of AI 8xU/I/R/RTD BA The following table shows the technical specifications as of 03/2019. You can find a data sheet including daily updated technical specifications on the Internet (https://support.industry.siemens.com/cs/ww/en/pv/6ES7531-7QF00-0AB0/td?dl=en). Article number 6ES7531-7QF00-0AB0 General information Product type designation...
  • Page 38 Technical specifications Article number 6ES7531-7QF00-0AB0 Analog inputs Number of analog inputs For current measurement • For voltage measurement • For resistance/resistance thermometer • measurement permissible input voltage for voltage input 12 V; 12 V continuous, 30 V for max. 1 s (destruction limit), max.
  • Page 39 Technical specifications Article number 6ES7531-7QF00-0AB0 Input ranges (rated values), currents 0 to 10 mA • 0 to 20 mA • 25 Ω; Plus approx. 42 ohms for overvoltage pro- Input resistance (0 to 20 mA) • tection by PTC -20 mA to +20 mA •...
  • Page 40 Technical specifications Article number 6ES7531-7QF00-0AB0 Yes; Standard/climate Ni 1000 • 10 MΩ Input resistance (Ni 1000) • Ni 1000 according to GOST • Yes; Standard/climate LG-Ni 1000 • 10 MΩ Input resistance (LG-Ni 1000) • Ni 120 • Ni 120 according to GOST •...
  • Page 41 Technical specifications Article number 6ES7531-7QF00-0AB0 Cable length 200 m; 50 m at 50 mV shielded, max. • Analog value generation for the inputs Measurement principle integrating Integration and conversion time/resolution per channel 16 bit Resolution with overrange (bit including • sign), max.
  • Page 42 Technical specifications Article number 6ES7531-7QF00-0AB0 Errors/accuracies Linearity error (relative to input range), (+/-) 0.1 % Temperature error (relative to input range), (+/- 0.006 %/K Crosstalk between the inputs, max. -50 dB Repeat accuracy in steady state at 25 °C (rela- 0.1 % tive to input range), (+/-) Operational error limit in overall temperature...
  • Page 43 Depth 129 mm Weights Weight, approx. 250 g Additional information You can learn how to calculate the cycle time of the module with an example provided on the Internet (https://support.industry.siemens.com/cs/ww/en/view109761283). Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...

  • Page 44: Dimensional Drawing

    Dimensional drawing The dimensional drawing of the module on the mounting rail, as well as a dimensional drawing with open front panel are provided in the appendix. Always adhere to the specified dimensions for installations in cabinets, control rooms, etc. Figure A-1 Dimensional drawing of the AI 8xU/I/R/RTD BA module Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0)
  • Page 45 Dimensional drawing Figure A-2 Dimension drawing of the AI 8xU/I/R/RTD BA module, side view with open front cover Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...

  • Page 46: 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 configuring the module with a GSD file, remember that the settings of some parameters are dependent on each other.
  • Page 47 0 and 1. You can find additional information in the Interrupts section of the manual for the PROFIBUS DP interface module on the Internet (http://support.automation.siemens.com/WW/view/en/78324181). Assignment of data record and channel For the configuration as a 1 x 8-channel module, the parameters are located in data records 0 to 7 and are assigned as follows: ●...
  • Page 48 Parameter data records B.1 Parameter assignment and 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 7. The values in byte 0 and byte 1 are fixed and may not be changed.
  • Page 49 Parameter data records B.1 Parameter assignment and structure of the parameter data records Figure B-2 Structure of data record 0: Bytes 7 to 27 Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0) Manual, 03/2019, A5E44792324-AA...
  • Page 50 Parameter data records B.1 Parameter assignment and structure of the parameter data records Codes for measurement types The following table lists all measurement types of the analog input module along with their codes. Enter these codes at byte 2 of the data record for the corresponding channel (see the figure Structure of data record 0: Bytes 7 to 27).
  • Page 51 Parameter data records B.1 Parameter assignment and structure of the parameter data records Current, 2-wire transmitter 4 mA to 20 mA 0000 0011 Resistor 600 Ω 0000 0011 6 kΩ 0000 0101 0000 1111 Thermal resistor Pt100 Climate 0000 0000 Ni100 Climate 0000 0001 Pt100 standard...
  • Page 52 Parameter data records B.1 Parameter assignment and structure of the parameter data records The following tables list the valid hardware interrupt limits. The limits depend on the selected measurement type and measuring range. Table B- 5 Voltage limits Voltage ±50 mV, ±500 mV, ±1 V, ±5 V, ±10 V 1 V to 5 V 32510 32510...

  • Page 53: Representation Of Analog Values

    Representation of analog values Introduction This appendix shows the analog values for all measuring ranges supported by the AI 8xU/I/R/RTD BA analog module. Measured value resolution Each analog value is written left aligned to the tags. The bits marked with "x" are set to "0". Note This resolution does not apply to temperature values.

  • Page 54: Representation Of Input Ranges

    Representation of analog values C.1 Representation of input ranges Representation of input ranges The following tables set out the digitalized representation of the input ranges by bipolar and unipolar range. The resolution is 16 bits. Table C- 2 Bipolar input ranges Dec.

  • Page 55: Representation Of Analog Values In Voltage Measuring Ranges

    Representation of analog values C.2 Representation of analog values in voltage measuring ranges Representation of analog values in voltage measuring ranges The following tables list the decimal and hexadecimal values (codes) of the possible voltage measuring ranges. Table C- 4 Voltage measuring ranges ±10 V, ±5 V, ±1 V, Values Voltage measuring range...

  • Page 56: Representation Of Analog Values In The Current Measuring Ranges

    Representation of analog values C.3 Representation of analog values in the current measuring ranges Table C- 6 Voltage measuring range 1 to 5 V Values Voltage measuring range Range 1 to 5 V 32767 7FFF >5.704 V Overflow 32511 7EFF 5.704 V Overshoot range 27649...

  • Page 57: Representation Of The Analog Values Of Resistance-Based Sensors/Resistance Thermometers

    Representation of analog values C.4 Representation of the analog values of resistance-based sensors/resistance thermometers Table C- 8 Current measuring ranges 0 to 20 mA and 4 to 20 mA Values Current measuring range 0 to 20 mA 4 to 20 mA 32767 7FFF >23.52 mA...
  • Page 58 Representation of analog values C.4 Representation of the analog values of resistance-based sensors/resistance thermometers The following tables list the decimal and hexadecimal values (codes) of the supported resistance thermometers. Table C- 10 Resistance thermometers Pt 100 and Pt 1000 Standard Pt x00 Values Pt x00...
  • Page 59 Representation of analog values C.4 Representation of the analog values of resistance-based sensors/resistance thermometers Table C- 12 Thermal resistors Ni 100, Ni 1000, LG-Ni 1000 Standard Ni x00 Values Ni x00 Values Ni x00 Values Range standard Standard Standard in °C in °F in K (1 digit =...

  • Page 60: Measured Values For Wire Break Diagnostic

    Representation of analog values C.5 Measured values for wire break diagnostic Measured values for wire break diagnostic Measured values on diagnostic event "wire break", dependent on diagnostics enables Error events initiate a diagnostics entry and trigger a diagnostics interrupt if configured accordingly.

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