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6ES7331-7NF00-0AB0

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SIMATIC SM 331 analog input module with 8 isolated 16-bit channels.
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Technical specifications for 6ES7331-7NF00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7331-7NF00-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    Analog Input Module
  • Stock:
    1
  • Analog Inputs:
    8
  • Resolution:
    16 bit
  • Electrical Isolation:
    Yes
  • Measurement Types:
    Voltage, current, resistance, temperature
  • Diagnostics:
    Supported
  • Process Alarm:
    Supported
  • Front Connector:
    40-pole
  • Module Width:
    40 mm
  • Weight:
    0.686 lbs (0.311 kg)
  • Estimated shipping dimensions:
    12.80 × 15.20 × 5.20 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 Measurement Diagnostics Installation Checks

Features:

  • Eight isolated analog input channels
  • 16-bit measurement resolution
  • Supports multiple documented measuring types
The Siemens 6ES7331-7NF00-0AB0 is a SIMATIC S7-300 SM 331 analog input module with eight isolated channels and 16-bit resolution. It is used to acquire analog process signals for the S7-300 controller.

The channel measuring type and range are assigned in the S7-300 hardware configuration. The exact sensor connection and compensation requirements depend on the selected voltage, current, resistance, or temperature range.

Before ordering Siemens 6ES7331-7NF00-0AB0, confirm the complete order code, documented configuration, and connection requirements for the installed system.

Siemens 6ES7331-7NF00-0AB0 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 6ES7331-7NF00-0AB0 Analog Input Module Specs

General

  • Manufacturer Siemens
  • Model 6ES7331-7NF00-0AB0
  • Condition New Original ready stock
  • Product Family SIMATIC S7-300, SM 331
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.
  • Eight analog input channels
  • 16-bit measurement resolution
  • Voltage, current, resistance, and temperature measurement types are supported
  • Module diagnostics are supported
  • Process alarms are supported
  • Channel configuration is assigned in the S7-300 hardware configuration
  • Select the correct measuring type and range before wiring
  • Use the documented 40-pole front connector and terminal assignment
  • Verify sensor wiring and shielding before commissioning
Description
The Siemens 6ES7331-7NF00-0AB0 is a SIMATIC SM 331 analog input module with 8 isolated 16-bit channels. It converts eight analog field signals for processing by the S7-300 controller.

The module supports the documented voltage, current, resistance, and temperature measuring ranges selected in the hardware configuration.

Selection should be based on the complete order code, documented electrical characteristics, connector requirements, and the installed system configuration.
Alternative Names
Siemens 6ES7331-7NF00-0AB0 6ES7331-7NF00-0AB0 6ES7331 7NF00 0AB0 6ES73317NF000AB0 6ES7 331-7NF00-0AB0 SM 331 8AI 16 bit Siemens SIMATIC S7-300 6ES7331-7NF00-0AB0
Technical notes
Siemens 6ES7331-7NF00-0AB0 is a SM 331 analog input module with 8 isolated 16-bit channels 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 6ES7331-7NF00-0AB0?
It is a SM 331 analog input module with 8 isolated 16-bit channels for the documented Siemens SIMATIC S7-300 system configuration.
Which system is Siemens 6ES7331-7NF00-0AB0 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 6ES7331-7NF00-0AB0?
Check the channel or interface configuration, supply and signal ratings, connector requirements, and installed module configuration.
What should be verified before replacing Siemens 6ES7331-7NF00-0AB0?
Confirm the complete order code, wiring, front connector, hardware configuration, and controller compatibility before replacement.
What is the lifecycle status of Siemens 6ES7331-7NF00-0AB0?
Siemens classifies the S7-300 / ET 200M portfolio as product cancellation from October 2025; availability is confirmed during quotation.
Is the Siemens 6ES7331-7NF00-0AB0 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 6ES7331-7NF00-0AB0?
Send the complete model, required quantity, destination, and any configuration requirements to Apter Power for confirmation.