SM 1231
SM 1231 acquires four differential voltage or current signals with 15-bit resolution plus sign.
The 6ES7231-5ND32-0XB0 is a Siemens SIMATIC S7-1200 SM 1231 analog input module with 4 current or voltage differential inputs and 15-bit resolution plus sign.
4 AI · Current/Voltage · 15 bit + sign
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6ES7231-5ND32-0XB0 is a SIMATIC S7-1200 SM 1231 module for bringing four high-resolution differential voltage or current signals into an S7-1200 station.
6ES7231-5ND32-0XB0 supports ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0–20 mA and 4–20 mA across four differential analog inputs.
6ES7231-5ND32-0XB0 uses a rated 24 V DC supply and a maximum 100 µs all-channel cycle timewith 15-bit resolution plus sign.
6ES7231-5ND32-0XB0 does not provide direct thermocouple or RTD input ranges; select the appropriate SM 1231 TC or RTD module for those sensors.
6ES7231-5ND32-0XB0 has official packaging dimensions of 8.9 × 10.6 × 5.7 cm and a net weight of 0.161 kg.
6ES7231-5ND32-0XB0 typically draws 65 mA and dissipates 1.8 Waccording to the official Siemens datasheet.
6ES7231-5ND32-0XB0 should be quoted with the complete order number, signal type and range, channel count, sensor grounding, cable and shielding details, quantity and delivery destination.
Share the complete order number and application details for compatibility, availability and lead-time checking.
Official Siemens documentation for the SIMATIC S7-1200 SM 1231 analog input module.
Siemens technical datasheet for 6ES7231-5ND32-0XB0, including signal ranges, resolution, cycle time, supply, lifecycle, packaging dimensions and net weight.
OFFICIAL DATASHEETSend the complete model, quantity, and your technical or purchasing question.
Technical statements on this product page are based on publicly available official Siemens manufacturer documentation.
Siemens is the brand; SIMATIC S7-1200 is the PLC family; and 6ES7231-5ND32-0XB0 is the four-channel high-resolution current and voltage analog input module.
SM 1231 acquires four differential voltage or current signals with 15-bit resolution plus sign.
STEP 7 in TIA Portal is used to configure input ranges, diagnostics and channel processing for SM 1231.
The module supports ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0–20 mA and 4–20 mA input ranges.
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