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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