• Siemens SIMATIC S7-1200 G2 Analog Signal Modules SM 1231/1232/1233
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Siemens SIMATIC S7-1200 G2 Analog Signal Modules SM 1231/1232/1233

Siemens SIMATIC S7-1200 G2 Analog Signal Modules SM 1231/1232/1233

Analog input, output, thermocouple and RTD signal modules for SIMATIC S7-1200 G2 controllers.

Key features

  • SM 1231 8 AI: 14-bit, ±10/±5/±2.5 V, 0-20/4-20 mA
  • SM 1232 8 AQ and SM 1233 4 AI/4 AQ with 14-bit DAC outputs
  • SM 1231 AI 8xTC for type J/K thermocouples
  • SM 1231 AI 4xRTD for Pt100 and Pt1000 sensors
  • Mounted to the right of the CPU; configured in STEP 7 (TIA Portal)

Specifications

Series SIMATIC S7-1200 G2
Module type Analog signal module (SM)
Source Siemens Catalog ST 70 · 2026, p. 448-474
6ES7231-4HF50-0XB0 Module: SM 1231 | Channels: 8 AI | Signals: ±10/±5/±2.5 V, 0/4-20 mA | Resolution: 14 bit
6ES7232-4HF50-0XB0 Module: SM 1232 | Channels: 8 AQ | Signals: ±10 V, 0/4-20 mA | Resolution: 14 bit
6ES7233-4HF50-0XB0 Module: SM 1233 | Channels: 4 AI / 4 AQ | Signals: ±10 V, 0/4-20 mA | Resolution: 14 bit
6ES7231-5QF50-0XB0 Module: SM 1231 AI 8xTC | Channels: 8 AI | Signals: Thermocouple type J, K | Resolution: -
6ES7231-5PD50-0XB0 Module: SM 1231 AI 4xRTD | Channels: 4 AI | Signals: Pt100, Pt1000 | Resolution: -
PLC I/O ModulesSiemens
5 product codes available in this family
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Siemens SIMATIC S7-1200 G2 Analog Signal Modules SM 1231/1232/1233

Brand Siemens·PLC I/O Modules

Available part numbers (5)

6ES7231-4HF50-0XB0, 6ES7232-4HF50-0XB0, 6ES7233-4HF50-0XB0, 6ES7231-5QF50-0XB0, 6ES7231-5PD50-0XB0

How to order

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Product codes & specifications
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Product codeSpec
6ES7231-4HF50-0XB0Module: SM 1231 | Channels: 8 AI | Signals: ±10/±5/±2.5 V, 0/4-20 mA | Resolution: 14 bit
6ES7232-4HF50-0XB0Module: SM 1232 | Channels: 8 AQ | Signals: ±10 V, 0/4-20 mA | Resolution: 14 bit
6ES7233-4HF50-0XB0Module: SM 1233 | Channels: 4 AI / 4 AQ | Signals: ±10 V, 0/4-20 mA | Resolution: 14 bit
6ES7231-5QF50-0XB0Module: SM 1231 AI 8xTC | Channels: 8 AI | Signals: Thermocouple type J, K | Resolution: -
6ES7231-5PD50-0XB0Module: SM 1231 AI 4xRTD | Channels: 4 AI | Signals: Pt100, Pt1000 | Resolution: -

Need a different model, or a part not listed here? Send us your parts list →

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