6ES7231-4HF32-0XB0

6ES7231-4HF32-0XB0


Siemens SIMATIC S7-1200 SM 1231 Analog Input Module – 6ES7231-4HF32-0XB0

The Siemens SIMATIC S7-1200 SM 1231 – 6ES7231-4HF32-0XB0 expands measurement capacity with 8 analog input channels. Supporting ±10 V, ±5 V, and ±2.5 V voltage ranges, alongside 0–20 mA and 4–20 mA current signals, it receives measurements from compatible field instruments. Its 12-bit resolution plus sign bit, using a 13-bit ADC, provides digital input values for processing in the PLC application.


PRODUCT SPECIFICATIONS

·        Brand: Siemens

·        Product Family: SIMATIC S7-1200

·        Module Model: SM 1231

·        Order Number: 6ES7231-4HF32-0XB0

·        Module Type: Analog Input

·        Analog Input Channels: 8 AI

·        Voltage Ranges: ±10 V, ±5 V, ±2.5 V

·        Current Ranges: 0–20 mA / 4–20 mA

·        Resolution: 12 bit plus sign bit

·        Analog-to-Digital Conversion: 13-bit ADC


FEATURES

·        Eight Measurement Inputs: Acquires signals from several instruments through one analog input module.

·        Selectable Voltage Ranges: Allows the configured input range to match suitable voltage-output devices.

·        Current Transmitter Support: Accepts compatible instruments providing 0–20 mA or 4–20 mA signals.

·        Analog-to-Digital Conversion: Converts incoming electrical measurements into values available to the controller.

·        Process Value Evaluation: Supports programmed scaling and comparison of acquired signals.


ADVANTAGES

·        Accommodates applications requiring more than a few analog feedback connections.

·        Brings readings from different process locations into a compatible S7-1200 system.

·        Offers voltage and current options for matching a range of field instruments.

·        Helps organize channel assignments by measurement type, equipment section, or process stage.


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Nov 4th, 2026 11:30 AM

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