Siemens Simatic S7-1500 / ET 200MP Manual
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Siemens Simatic S7-1500 / ET 200MP Manual

Siemens Simatic S7-1500 / ET 200MP Manual

Analog input module ai 8xu/i hf
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  • Page 2 ___________________ Preface ___________________ Documentation guide ___________________ SIMATIC Product overview ___________________ Wiring S7-1500/ET 200MP Analog Input Module AI 8xU/I HF ___________________ (6ES7531-7NF00-0AB0) Parameters/address space ___________________ Interrupts/diagnostics alarms Manual ___________________ Technical specifications ___________________ Dimensional drawing ___________________ Parameter data records ___________________ Representation of analog values 09/2016 A5E36649087-AB...
  • 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 S7-1500/ET 200MP (http://support.automation.siemens.com/WW/view/en/59191792) system manual. Functions that relate in general to the systems are described in these system manuals. The information provided in this manual and in the system/function manuals supports you in commissioning the systems.
  • 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 Functions ..........................14 2.2.1 Measuring range adjustment ....................14 2.2.2 Scaling of measured values ....................17 Wiring ..............................21 Parameters/address space ........................25 Measuring types and ranges ....................

  • 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. Basic information The System Manual and Getting Started describe in detail the configuration, installation, wiring and commissioning of the SIMATIC S7-1500 and ET 200MP systems.
  • 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 ● 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 Article number 6ES7531-7NF00-0AB0 View of the module Figure 2-1 View of the AI 8xU/I HF module Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 12 Product overview 2.1 Properties Properties The module has the following technical properties: ● 8 electrically isolated analog inputs ● Voltage measurement type can be set per channel ● Current measurement type can be set per channel ● Two operating modes –...
  • Page 13 Other components The following component can be ordered separately: Front connectors, including potential jumpers and cable ties You can find additional information on accessories in the S7-1500/ET 200MP (http://support.automation.siemens.com/WW/view/en/59191792) system manual. Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...

  • Page 14: Functions

    Product overview 2.2 Functions Functions 2.2.1 Measuring range adjustment Introduction The measuring range adjustment is available for current and voltage measuring ranges. Live zero measuring ranges are not supported. Function The measuring range adjustment is an adjustment of the measuring range at the sensor. It allows you to increase the resolution for a configurable part of the measuring range in S7 format.
  • Page 15 Product overview 2.2 Functions Example The following values result, for example: Table 2- 2 Example of measuring range adjustment Measuring range adjustment Measuring range resolution Bipolar Unipolar Base measuring range ±10 V 0 mA to 20 mA Adjusted measuring range +2 V to +5 V +2 mA to +15 mA Measuring range adjustment high limit...
  • Page 16 Product overview 2.2 Functions Example of a configuration The following figure shows an example of a configuration with a measuring range adjustment of 2000 mV to 5000 mV. Figure 2-3 Example of a measuring range adjustment in STEP 7 (TIA Portal) Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...

  • Page 17: Scaling Of Measured Values

    Product overview 2.2 Functions 2.2.2 Scaling of measured values Introduction The measured value scaling can be combined with the measuring range adjustment. In this case, the measuring range is adjusted first and then the representation of the measuring range is scaled. Function With measured value scaling, the user data of the module is displayed in REAL format (32- bit floating point) instead of S7 format.
  • Page 18 Product overview 2.2 Functions Example The following values result, for example: Table 2- 3 Example of measured value scaling Low nominal range limit High nominal range limit Base measuring range -10 V +10 V S7 format -27648 +27648 Scaling of measured values 1.00 7.00 As shown in the table, -10 V corresponds to 1.00 and +10 V corresponds to 7.00.
  • Page 19 Product overview 2.2 Functions Configuration The following figures show examples of a configuration in STEP 7 (TIA Portal): Configuration of measured value scaling Figure 2-4 Configuration of measured value scaling Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 20 Product overview 2.2 Functions Configuration with measuring range adjustment and measured value scaling In the configuration example, a measuring range adjustment of -4000 mV to 8000 mV is displayed and additionally converted to a scaled high and low nominal range limit of 1.00 to 7.00.

  • Page 21: Wiring

    The section below includes the block diagram of the module and various wiring options. You can find information on wiring the front connector, establishing a cable shield, etc in the Wiring section of the S7-1500/ET 200MP (http://support.automation.siemens.com/WW/view/en/59191792) system manual. Note • You may use and combine the different wiring options for all channels.
  • Page 22 Wiring Block diagram and pin assignment for voltage measurement The example in the figure below shows the pin assignment for a voltage measurement. ① Analog-to-Digital Converter (ADC) Channel or 8 x channel status (green/red) ② Electrical isolation Status display LED (green) ③...
  • Page 23 Wiring Block diagram and terminal assignment for 4-wire transducer for current measurement The example in the following figure shows the pin assignment for current measurement with 4-wire transducers. ① Connector 4-wire transducer Channel or 8 x channel status (green/red) ② Analog-to-Digital Converter (ADC) Status display LED (green) ③...
  • Page 24 Wiring Block diagram and terminal assignment for 2-wire transducer for current measurement The example in the following figure shows the pin assignment for current measurement with 2-wire transducers. ① Connector 2-wire transducer Channel or 8 x channel status (green/red) ② Analog-to-Digital Converter (ADC) Status display LED (green) ③...

  • Page 25: Parameters/Address Space

    Parameters/address space Measuring types and ranges Introduction The module is set to voltage measuring 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 measuring type or range. The following table shows the measuring types and the respective measuring range.

  • Page 26: Parameters

    Parameters/address space 4.2 Parameters Parameters Parameters of AI 8xU/I HF The AI 8xU/I HF is usually already integrated in the hardware catalog of STEP 7 (TIA Portal). In this case, STEP 7 (TIA Portal) checks the configured properties for plausibility during configuration.
  • Page 27 Parameters/address space 4.2 Parameters Parameters Range of values Default set- Configuration Scope with configuration software, e.g., ting in RUN STEP 7 (TIA Portal) Integrated in the GSD file hardware cata- PROFIBUS DP log STEP 7 (TIA Portal) as of V13 or GSD file PROFINET Measuring See section Measur-...
  • Page 28 Parameters/address space 4.2 Parameters Parameters Range of values Default set- Configuration Scope with configuration software, e.g., ting in RUN STEP 7 (TIA Portal) Integrated in the GSD file hardware cata- PROFIBUS DP log STEP 7 (TIA Portal) as of V13 or GSD file PROFINET Hardware interrupt Yes/No...

  • Page 29: Declaration Of Parameters

    Parameters/address space 4.3 Declaration of parameters Declaration of parameters Missing supply voltage L+ Enabling of the diagnostics, with missing or too little supply voltage L+. Overflow Enabling of the diagnostics if the measured value violates the high limit. Underflow Enabling of the diagnostics if the measured value violates the low limit. 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 30 Parameters/address space 4.3 Declaration of parameters Smoothing The individual measured values are smoothed using filtering. The smoothing can be set in 4 levels. Smoothing time = number of module cycles (k) x cycle time of the module. The following figure shows after how many module cycles the smoothed analog value is almost 100%, depending on the set smoothing.
  • Page 31 Parameters/address space 4.3 Declaration of parameters Operating mode Fast / Standard You can use this parameter to determine the operating mode for the module. ● Fast mode; easy integration time with less frequency suppression (minimal integration time 2.5 ms) ● Standard mode; triple integration time with higher frequency suppression (minimal integration time 7.5 ms) Measuring range adjustment With this parameter, you disable or enable the measuring range adjustment function.

  • Page 32: 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 HF You can configure the module with STEP 7 (TIA Portal) or with a GSD file.
  • Page 33 Parameters/address space 4.4 Address space Address space for configuration as 1 x 8-channel AI 8xU/I HF and AI 8xU/I HF QI The figure below shows the address space assignment with the configuration as 1 x 8- channel module. You can freely assign the start address for the module. The addresses of the channels are derived from the start address.
  • Page 34 Parameters/address space 4.4 Address space Address space for configuration as 8 x 1-channel AI 8xU/I HF S and AI 8xU/I HF S QI For the configuration as a 8 x 1-channel module, the channels of the module are divided into multiple submodules.
  • Page 35 Parameters/address space 4.4 Address space Address space for configuration as 1 x 8-channel AI 8xU/I HF 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 36 Parameters/address space 4.4 Address space The following figure shows the assignment of the address space with submodules 1 and 2. Figure 4-4 Address space for configuration as 1 x 8-channel AI 8xU/I HF MSI with value status Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 37 Parameters/address space 4.4 Address space The following figure shows the assignment of the address space with submodules 3 and 4. Figure 4-5 Address space for configuration as 1 x 8-channel AI 8xU/I HF MSI with value status Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 38 Address space for configuration as 1 x 8-channel AI 8xU/I HF MSI Scale 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 V13 (https://support.industry.siemens.com/cs/ww/en/view/49948856) function manual. Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...

  • Page 39: 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 HF. Figure 5-1 LED displays of the module AI 8xU/I HF Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 40 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 43). RUN and ERROR LED Table 5- 1 Status and error displays RUN and ERROR Meaning...

  • Page 41: Interrupts

    Interrupts/diagnostics alarms 5.2 Interrupts Interrupts Analog input module AI 8xU/I HF 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 42 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 43: Diagnostics Alarms

    Interrupts/diagnostics alarms 5.3 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. You can evaluate the error codes with the user program. If the module is operated distributed with PROFIBUS DP in an ET 200MP system, you have the option to read out diagnostics data with the instruction RDREC or RD_REC using data record 0 and 1.

  • Page 44: Technical Specifications

    Technical specifications Technical specifications of the AI 8xU/I HF 6ES7531-7NF00-0AB0 General information Product type designation AI 8xU/I HF Hardware functional status FS01 Firmware version V1.1.0 FW update possible • Product function I&M data Yes; I&M0 to I&M3 Measuring range scalable Measured values scalable Measuring range adjustment Engineering with...
  • Page 45 Technical specifications 6ES7531-7NF00-0AB0 Analog inputs Number of analog inputs For current measurement • For voltage measurement • Permissible input voltage for voltage input (de- 28.8 V struction limit), max. Permissible input current for current input (de- 40 mA struction limit), max. Input ranges (rated values), voltages 1 V to 5 V Input resistance (1 V to 5 V)
  • Page 46 Technical specifications 6ES7531-7NF00-0AB0 Smoothing of the measured values Configurable Level: None Level: Weak Level: Medium Level: Strong Encoders Connection of the signal encoders For voltage measurement for current measurement as 2-wire transducer Yes; with external transmitter supply for current measurement as 4-wire transducer Errors/accuracies Linearity error (in relation to input range), (+/-) 0.02%...
  • Page 47 Technical specifications 6ES7531-7NF00-0AB0 Diagnostics indicator LED RUN LED Yes; green LED ERROR LED Yes; red LED Monitoring of supply voltage (PWR LED) Yes; green LED Channel status display Yes; green LED For channel diagnostics Yes; red LED For module diagnostics Yes;...

  • Page 48: Dimensional Drawing

    Dimensional drawing This appendix contains the dimensional drawing of the module installed on a mounting rail and with a shield bracket. Always adhere to the specified dimensions for installations in cabinets, control rooms, etc. Figure A-1 Dimension drawing of the AI 8xU/I HF module Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 49 Dimensional drawing Figure A-2 Dimension drawing of the AI 8xU/I HF module, side view with open front cover Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...

  • Page 50: Parameter Data Records

    Parameter data records Parameter assignment 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 51 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 52: Structure Of The Parameter Data Records Without Scaling Of Measured Values

    Parameter data records B.2 Structure of the parameter data records without scaling of measured values Structure of the parameter data records without scaling of measured values Structure of a data record without scaling of the measured values 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.
  • Page 53 Parameter data records B.2 Structure of the parameter data records without scaling of measured values Figure B-2 Structure of data record 0: Byte 7 to 11 without scaling of measured values Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 54 Parameter data records B.2 Structure of the parameter data records without scaling of measured values Figure B-3 Structure of data record 0: Byte 12 to 27 without scaling of measured values See also Codes for measurement types/measuring ranges and limits for hardware interrupts (Page 58) Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...

  • Page 55: Structure Of The Parameter Data Records With Scaling Of Measured Values

    Parameter data records B.3 Structure of the parameter data records with scaling of measured values Structure of the parameter data records with scaling of measured values Structure of a data record with scaling of the measured values The example in the figure below shows the structure of data record 0 for channel 0 for scaling of measured values.
  • Page 56 Parameter data records B.3 Structure of the parameter data records with scaling of measured values Figure B-5 Structure of data record 0: Byte 7 to 11 for scaling of measured values Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...
  • Page 57 Parameter data records B.3 Structure of the parameter data records with scaling of measured values Figure B-6 Structure of data record 0: Byte 12 to 39 for scaling of measured values See also Codes for measurement types/measuring ranges and limits for hardware interrupts (Page 58) Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) Manual, 09/2016, A5E36649087-AB...

  • Page 58: Codes For Measurement Types/Measuring Ranges And Limits For Hardware Interrupts

    Parameter data records B.4 Codes for measurement types/measuring ranges and limits for hardware interrupts Codes for measurement types/measuring ranges and limits for hardware interrupts Codes for measuring types The following table lists all measuring types of the analog input module along with their codes.
  • Page 59 Parameter data records B.4 Codes for measurement types/measuring ranges and limits for hardware interrupts Hardware interrupt limits The following tables list the valid hardware interrupt limits. The limit values depend on the selected measuring type and range. The values that you can set for hardware interrupts (high/low limit) must not exceed the respective rated measuring range.

  • Page 60: 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 HF analog module. Measured value resolution Each analog value is written left aligned to the tags. The bits marked with "x" are set to "0". Table C- 1 Resolution of the analog values Resolution in bits...

  • Page 61: Representation Of Input Ranges

    Representation of analog values C.1 Representation of input ranges Representation of input ranges The tables below set out the digitized representation of the input ranges separately for bipolar and unipolar input ranges. The resolution is 16 bits. Table C- 2 Bipolar input ranges Units Measured...

  • Page 62: 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 and ±2.5 V Values Voltage measuring range...

  • Page 63: Representation Of Analog Values In The Current Measuring Ranges

    Representation of analog values C.3 Representation of analog values in the current measuring ranges Representation of analog values in the current measuring ranges The following tables list the decimal and hexadecimal values (codes) of the possible current measuring ranges. Table C- 6 Current measuring range ±20 mA Values Current measuring range...

  • Page 64: Measured Values For Wire Break Diagnostic

    Representation of analog values C.4 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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