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6ES7531-7KF00-0AB0

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The SIEMENS 6ES7531-7KF00-0AB0 Analog Input Module is a SIMATIC S7-1500 module engineered to handle precise signal acquisition in demanding automation environments.
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Technical specifications for 6ES7531-7KF00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7531-7KF00-0AB0
  • Product Family:
    Siemens Simatic S7-1500
  • Product Type:
    Analog input module
  • Stock:
    1
  • Supply voltage (Rated value):
    24 V DC
  • Current consumption (max.):
    255 mA at 19.2 V
  • Power available from backplane bus:
    0.7 W
  • Power loss (typical):
    2.7 W
  • Number of analog inputs:
    8
  • Maximum cable length (shielded):
    800 m
  • Crosstalk between inputs (max.):
    -80 dB
  • Isolation tested with:
    707 V DC
  • Weight:
    0.413 kg
  • Estimated shipping dimensions:
    16.10×19.30×5.00 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Configuration Standards

Features:

  • Eight analog inputs; up to four channels for RTD measurements
  • Voltage, current, resistance, RTD, and thermocouple measurement
  • 16-bit resolution, 0.3% accuracy, diagnostics, and hardware interrupts

6ES7531-7KF00-0AB0 is the SIMATIC S7-1500 SM 531 AI 8xU/I/RTD/TC ST ordering configuration. The infeed element, shield bracket, and shield terminal are supplied; the front connector is ordered separately.


Siemens 6ES7531-7KF00-0AB0 Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the stock item description. All prices are shown in USD.
6ES7531-7KF00-0AB0 Technical Specifications

Technical Specifications

  • Supply voltage (Rated value)24 V DC
  • Current consumption (max.)255 mA at 19.2 V
  • Power loss (typical)2.7 W
  • Number of analog inputs8
  • Maximum cable length (shielded)800 m
  • Isolation tested with707 V DC
  • Heat Treatment Applications: Suitable for applications according to AMS 2750/CQI-9.
  • Process Automation (Flow, Pressure, Level): Capable of reading standard current signals (e.g., 0–20 mA, 4–20 mA) and voltage signals (e.g., ±10 V, 1–5 V) from industrial field transmitters.
  • Temperature Measurement & Control: Built-in hardware support for directly connecting Thermocouples (TC) across all 8 channels, and Resistance Temperature Detectors (RTD) (such as Pt100, Ni100) on 4 channels. It is widely used in industrial ovens, furnaces, and chemical reactors.
  • Channel Parameterization: In TIA Portal, engineers can set the measurement type (Voltage, Current, Resistor, RTD, or TC) and measuring range uniquely per channel.
  • Data Representation: Analog values are converted into a 16-bit signed integer format. The standard rated signal range maps to numeric counts of 0 to 27,648. Counts above this range represent overrange/overflow limits.
  • Diagnostics & Interrupts: Features robust, software-configurable diagnostics per channel. It can trigger Hardware Interrupts (process alarms) upon limit violations (supporting two low and two high limits per channel) to safely alert the CPU to critical plant conditions.
  • Software Compatibility: Fully configurable and programmable using SIMATIC STEP 7 (TIA Portal) starting from version V12. For decentralized architectures via PROFIBUS, it can be integrated into STEP 7 V5.5 SP3 using a GSD file.
  • Industrial Thermal Standards: Explicitly declared compliant and suitable for applications adhering to AMS 2750 (Aerospace Material Specifications for pyrometry) and CQI-9 (Automotive industry heat treat system assessment).
  • Electrical Isolation: Features robust potential separation between the channels and backplane bus, as well as between the channels and the 24V DC electronics power supply. Isolation is type-tested up to 707 V DC.
  • CE & Marine Approvals: Official Siemens data lists EU declaration of conformity, cULus, DNV, LR, RINA, and RMRS for 6ES7531-7KF00-0AB0.
Description

Siemens 6ES7531-7KF00-0AB0 is a SIMATIC S7-1500 SM 531 AI 8xU/I/RTD/TC ST analog input module.

The module supports voltage, current, resistance, RTD, and thermocouple measurements. It provides 16-bit resolution, 0.3% accuracy, eight analog inputs, and up to four channels for RTD measurements.

Channel diagnostics and hardware interrupts support process monitoring. An infeed element, shield bracket, and shield terminal are supplied; a compatible front connector must be ordered separately.

Alternative Names
6ES7531-7KF00-0AB0 6ES7 531-7KF00-0AB0 6ES7 531 7KF00 0AB0 6ES75317KF000AB0 Siemens 6ES7531-7KF00-0AB0 SIMATIC S7-1500 SM 531 AI 8xU/I/RTD/TC ST
Technical notes
Siemens 6ES7531-7KF00-0AB0 is a SIMATIC S7-1500 SM 531 analog input module with eight U/I/RTD/TC channels, 16-bit resolution, 0.3% accuracy and channel diagnostics.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What type of module is 6ES7531-7KF00-0AB0?
It is a SIMATIC S7-1500 SM 531 analog input module with eight inputs.
Which signal types does 6ES7531-7KF00-0AB0 support?
It supports voltage, current, resistance, RTD, and thermocouple measurements.
What resolution and accuracy are specified for 6ES7531-7KF00-0AB0?
Siemens specifies 16-bit resolution and 0.3% accuracy.
How many RTD channels can 6ES7531-7KF00-0AB0 use?
The module supports up to four channels for RTD measurements.
Does 6ES7531-7KF00-0AB0 support diagnostics and hardware interrupts?
Yes. Siemens specifies channel diagnostics and hardware interrupt functions.
What is the OEM lifecycle status of 6ES7531-7KF00-0AB0?
Siemens lists the product as PM300: Active Product.
How can I request technical documents or a quote for 6ES7531-7KF00-0AB0?
Send the model, quantity, destination, and system requirements to info@apterpower.com for documentation and quotation support.