SIMATIC S7-1200 G2 SM 1231 Analog Input Module is a signal module with 8 analog inputs and a 14-bit ADC for ±10 V, ±5 V, ±2.5 V or 0-20 mA/4-20 mA signals. With extremely short conversion times, it connects analog sensors without additional amplifiers; a SIPLUS version with conformal coating is also available.
Technical data
| Product | SM 1231 |
|---|---|
| Product family | SIMATIC S7-1200 G2 (new generation) |
| Description | Voltage and current (0/4–20 mA) analog input modules |
| Example version | SM 1231 analog input signal module SIMATIC S7-1200 G2, SM 1231 analog input module, 8 AI Inputs: 8 x AI 14 bit ADC (+/-10 V, +/-5 V, +/-2.5 V or 0-20 mA/4-20 mA) |
| Programming | STEP 7 (TIA Portal) |
Article numbers
| Version | Description | Article No. |
|---|---|---|
| Standard | SM 1231 analog input signal module SIMATIC S7-1200 G2, SM 1231 analog input module, 8 AI Inputs: 8 x AI 14 bit ADC (+/-10 V, +/-5 V, +/-2.5 V or 0-20 mA/4-20 mA) | 6ES7231-4HF50-0XB0 |
| SIPLUS | SIPLUS S7-1200 G2: SM1231 8AI With conformal coating -40...+70 °C. Inputs: 8x AI 14-bit ADC (+/-10 V, +/-5 V, +/-2.5 V or 0-20 mA/4-20 mA) | 6AG1231-4HF50-7XB0 |
Technical data and article numbers are based on Siemens catalog ST 70 · 2026 (chapter SIMATIC S7-1200 G2) and are for information only. Image is representative.
For price, stock and lead time, use the Request a Quote button or call +90 533 945 27 94. Sending the article number is enough.
Tags: SM 1231, siemens s7-1200 g2, s7-1200, simatic plc, sm 1231, 6ES7231-4HF50-0XB0, 6AG1231-4HF50-7XB0