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6ES7331-7RD00-0AB0

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SIMATIC SM 331 Ex analog input module with 4 isolated current inputs.
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Technical specifications for 6ES7331-7RD00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7331-7RD00-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    Analog Input Module
  • Stock:
    1
  • Analog Inputs:
    4
  • Input Signal:
    0/4–20 mA
  • Resolution:
    16 bit
  • Electrical Isolation:
    Yes
  • Ex Version:
    Yes
  • Diagnostics:
    Supported
  • Process Alarm:
    Supported
  • Front Connector:
    20-pole
  • Weight:
    0.902 lbs (0.409 kg)
  • Estimated shipping dimensions:
    13.20 × 15.30 × 5.30 cm
  • Tariff Code:
    85389091
  • 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 Current Inputs Diagnostics Installation Checks

Features:

  • Four isolated analog current inputs
  • 0/4–20 mA signal measurement
  • Designed for the documented S7-300 Ex configuration
The Siemens 6ES7331-7RD00-0AB0 is a SIMATIC S7-300 SM 331 Ex analog input module. It provides four isolated current inputs for 0/4–20 mA measurement with 16-bit resolution.

The module supports the documented diagnostic and process-alarm functions. Selection, wiring, and installation must follow the Siemens requirements for this Ex module and the intended field circuit.

Before ordering Siemens 6ES7331-7RD00-0AB0, confirm the complete order code, documented configuration, and connection requirements for the installed system.

Siemens 6ES7331-7RD00-0AB0 Manuals, Datasheets, Drivers, Link Important Notice: Manuals, accessories, cables, calibration data, and software are not included unless specifically listed in the quotation or product description. Please confirm documentation and accessory requirements before ordering.
Siemens 6ES7331-7RD00-0AB0 Analog Input Module Specs

General

  • Manufacturer Siemens
  • Model 6ES7331-7RD00-0AB0
  • Condition New Original ready stock
  • Product Family SIMATIC S7-300, SM 331 Ex
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Four analog current input channels
  • Selectable 0 mA or 4 mA lower range with 20 mA full scale
  • 16-bit measurement resolution
  • Module diagnostics are supported
  • Process alarms are supported
  • Inputs are electrically isolated
  • Confirm the Ex installation requirements for the intended circuit
  • Use the documented 20-pole front connector and terminal assignment
  • Verify current-loop polarity and configuration before commissioning
Description
The Siemens 6ES7331-7RD00-0AB0 is a SIMATIC SM 331 Ex analog input module with 4 isolated current inputs. It acquires four 0/4–20 mA current signals in the documented SIMATIC S7-300 Ex configuration.

The module provides isolated 16-bit current measurement with documented diagnostic and process-alarm functions.

Selection should be based on the complete order code, documented electrical characteristics, connector requirements, and the installed system configuration.
Alternative Names
Siemens 6ES7331-7RD00-0AB0 6ES7331-7RD00-0AB0 6ES7331 7RD00 0AB0 6ES73317RD000AB0 6ES7 331-7RD00-0AB0 SM 331 Ex 4AI 0/4-20 mA Siemens SIMATIC S7-300 6ES7331-7RD00-0AB0
Technical notes
Siemens 6ES7331-7RD00-0AB0 is a SM 331 Ex analog input module with 4 isolated current inputs for Siemens SIMATIC S7-300 systems.
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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 is Siemens 6ES7331-7RD00-0AB0?
It is a SM 331 Ex analog input module with 4 isolated current inputs for the documented Siemens SIMATIC S7-300 system configuration.
Which system is Siemens 6ES7331-7RD00-0AB0 compatible with?
It is intended for Siemens SIMATIC S7-300 installations; verify the complete order code and documented system requirements.
What specifications should be checked for Siemens 6ES7331-7RD00-0AB0?
Check the channel or interface configuration, supply and signal ratings, connector requirements, and installed module configuration.
What should be verified before replacing Siemens 6ES7331-7RD00-0AB0?
Confirm the complete order code, wiring, front connector, hardware configuration, and controller compatibility before replacement.
What is the lifecycle status of Siemens 6ES7331-7RD00-0AB0?
Siemens classifies the S7-300 / ET 200M portfolio as product cancellation from October 2025; availability is confirmed during quotation.
Is the Siemens 6ES7331-7RD00-0AB0 manual available with a quotation?
Apter Power can provide relevant official technical documentation with the quotation when available.
How can I request price and availability for Siemens 6ES7331-7RD00-0AB0?
Send the complete model, required quantity, destination, and any configuration requirements to Apter Power for confirmation.

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