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Siemens 6ES7331-1KF02-0AB0 Analog Input Module

£1,013.94

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  • 8 Isolated Analog Inputs: Supports voltage, current, and resistance signals.
  • High Resolution: 13-bit accuracy for precise measurements.
  • Flexible Sensor Support: Handles Pt100, NI100/NI1000, LG-NI1000, PTC, KTY.
  • Fast Conversion Time: 66 ms per channel.
  • Standard 40-Pole Connection: Compatible with Siemens front connectors.
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SKU: 6ES7331-1KF02-0AB0 Category: Tag: Brand:
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Siemens 6ES7331-1KF02-0AB0 Analog Input Module

The Siemens SIMATIC S7-300 SM 331 Analog Input Module (6ES7331-1KF02-0AB0) is designed to handle a wide range of analog signals with 13-bit resolution and isolated channels, ensuring accurate signal processing in industrial automation applications. With support for various resistance and temperature sensors, it is ideal for precise measurement tasks in S7-300 PLC systems.


Technical Specifications

Model: 6ES7331-1KF02-0AB0 Siemens
Type: SIMATIC S7-300 Analog Input Module – SM 331, Isolated 8 AI


Power & Performance

  • Number of Analog Inputs: 8 isolated channels
  • Resolution: 13 bits
  • Signal Types Supported:
    • Voltage (U)
    • Current (I)
    • Resistance measurement
    • Pt100, NI100, NI1000, LG-NI1000, PTC/KTY sensors
  • Conversion Time: 66 ms per channel
  • Connection: 1x 40-pole front connector

Interfaces & Communication

  • Module Type: Analog input for process signal acquisition
  • Compatibility: Designed for S7-300 PLC systems
  • Front Connector Options:
    • Screw Contact (6ES7392-1AM00-0AA0)
    • Spring-Loaded Contact (6ES7392-1BM01-0AA0)

Physical Specifications

  • Net Weight: 0.296 kg
  • Packaging Dimensions (W x H x D): 12.80 cm x 15.10 cm x 5.20 cm
  • Package Size Unit of Measure: CM
  • Quantity Unit: 1 Piece
  • Packaging Quantity: 1
  • Country of Origin: Germany

Product Lifecycle & Compliance

  • Product Lifecycle (PLM): PM400 – Phase-Out Announced (Since 01.10.2023)
  • Export Control Regulations: ECCN: 9N9999 / AL: N
  • Compliance with RoHS Directive: Since 04.01.2010
  • WEEE Take-Back Obligation: Yes

REACH Art. 33 Candidate Substances:

  • Lead (CAS-No. 7439-92-1 > 0.1% w/w)
  • Lead monoxide (CAS-No. 1317-36-8 > 0.1% w/w)
  • 2-methyl-1-(4-methylpentyl)benzene (CAS-No. 71868-10-5 > 0.1% w/w)
  • SCIP Number: 48ff8e3b-cd23-4135-a177-18ae97c56322

Additional Product Information

  • EAN: 4025515078425
  • UPC: 662643523676
  • Commodity Code: 85389091
  • Catalog ID: ST73
  • Product Group: 2288
  • Group Code: R151
  • Product Class: A – Standard stock product, returnable within guidelines

Key Features & Benefits:

8 Isolated Analog Inputs: Supports voltage, current, and resistance signals.

High Resolution: 13-bit accuracy for precise measurements.

Flexible Sensor Support: Handles Pt100, NI100/NI1000, LG-NI1000, PTC, KTY.

Fast Conversion Time: 66 ms per channel.

Standard 40-Pole Connection: Compatible with Siemens front connectors.


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Weight 3 kg

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Siemens is a global leader in industrial automation, drive technology, and electrical control systems. Siemens products are known for exceptional reliability, advanced engineering, and seamless integration across automation and motor control applications.


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Siemens products are commonly used in manufacturing, conveyor systems, robotics, packaging machinery, and industrial production lines. Their advanced control capabilities, robust construction, and long service life make them a trusted choice for industrial automation worldwide.


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