Siemens SIMATIC S7-1200, SM 1231 Analog Input Module, 8 Analog Inputs (±10 V / 0–20 mA, 14-bit), 6ES7231-4HF50-0XB0

Part Number : 6ES7231-4HF50-0XB0

Brand :
Siemens

The SIMATIC S7-1200 SM 1231 analog input module offers 8 × 14-bit voltage or current inputs for precise process signal acquisition.

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KWD 96.000

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Description
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Description

Siemens SM 1231 AI 8x14-bit analog input module expands SIMATIC S7-1200 G2 controllers with eight high‑resolution analog channels. Each input supports voltage ranges of ±10 V, ±5 V and ±2.5 V as well as current ranges of 0–20 mA and 4–20 mA. With a typical power dissipation of 2.5 W and 14‑bit resolution, the module is well suited for accurate acquisition of temperature, pressure, flow and level signals in compact machines and process skids.

Key Features

• SM 1231 analog input module for SIMATIC S7-1200 Series • 8 configurable analog inputs with 14-bit resolution • Supports ±10 V, ±5 V, ±2.5 V voltage ranges per channel • Supports 0–20 mA and 4–20 mA current ranges per channel • Typical power loss approx. 2.5 W at 24 V DC • Module dimensions about 30 × 125 × 100 mm, IP20 protection • Suitable for precise process measurements in compact PLC applications

Downloads

6ES72314HF500XB0_datasheet_en.pdf

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Product overview for SIMATIC S7-1200-01.pdf

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Specifications

Product Type
SM 1231 analog input module, AI 8x14 bit
Number of analog inputs
8 differential analog inputs
Input signal ranges
±10 V, ±5 V, ±2.5 V; 0–20 mA or 4–20 mA
Resolution
14‑bit A/D conversion per channel
Rated supply voltage
24 V DC (20.4…28.8 V DC permissible range)
Typical power loss
Approx. 2.5 W
Dimensions (W×H×D)
Approx. 30 × 125 × 100 mm
Operating Temperature
−20 °C…60 °C (depending on mounting orientation)

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