6AG1331-7NF10-2AB0 Siemens S7-300

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Siemens SIPLUS S7-300 SM 331 analog input module 6AG1331-7NF10-2AB0

Part Specifications

Manufacturer: Siemens Product Family: SIPLUS S7-300 SM 331 HS Code: 85389091 EAN: 4025515139911 SKU: 6AG1331-7NF10-2AB0 Country of Origin: DE Product Weight: 0.328 KG Packaging Height: 5.00 CM Packaging Length: 13.00 CM Packaging Width: 15.00 CM
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Full 12-month warranty

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Product description

6AG1331-7NF10-2AB0 Siemens SIPLUS S7-300 SM 331

The 6AG1331-7NF10-2AB0 is part of Siemens’ SIPLUS range, designed for enhanced resilience and extended temperature performance. The 6ES7331-7NF10-0AB0 is an analogue input module. It features conformal coating, which makes it suitable for industrial environments. This is particularly important in settings where dust, moisture, and temperature fluctuations can affect standard hardware.

Technical highlights

  • Form Factor: 40-pole analog input module
  • Inputs: 8 isolated analog channels
  • Supported Signals:
  • ±5 V / ±10 V
  • 1–5 V
  • ±20 mA
  • 0/4–20 mA
  • Resolution: 16-bit accuracy

Performance:

  • 4-channel mode: 10 ms conversion
  • 8-channel mode: 23 ms conversion
  • Isolation: Single rooting (60 V COM)
  • Operating Range: -25 °C to +60 °C
  • Coating: Conformal protection against harsh environmental conditions
The SIPLUS SM 331 (6AG1331-7NF10-2AB0) is designed to be fast and precise, unlike many other conventional AI modules. For uses where precise measurement is critical to product quality, its rapid channel switching enables real-time signal capture.
This product is ideal for companies that face continuous issues with electrical noise, humidity, or dust because of its extended operating life thanks to the conformal coating. This module ensures precise process monitoring and control when coupled with high-resolution data capture.

Industrial applications

  • Process control in harsh manufacturing environments
  • Integration into monitoring systems requiring fast, precise analog signal capture
  • Energy management and utility monitoring solutions
  • Legacy systems still reliant on S7-300 series hardware

Obsolescence consideration

Modules from the SM 331 family, such as 6AG1331-7NF10-2AB0, and the rest of the Siemens S7-300 series are approaching planned obsolescence. Although these units are still in use and readily available, future replacements or migration plans should be considered in the long run. This ensures continued system stability as spare parts gradually become less accessible.
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