Siemens 6AG1231-5ND32-4XB0

The S7-1200 SM 1231 module is designed for analog input applications, offering four channels with a resolution of 15 bits and various configurable input ranges. The input signals can be voltage types at ±10 V, ±5 V, ±2.5 V, ±1.25 V, or current inputs of 0-20 mA and 4-20 mA, enabling flexible integration in automation systems. The module's specifications include a supply voltage of 24 V and a typical current consumption of 65 mA.

Constructed for a temperature range of -20 °C to 60 °C, the module supports a maximum ambient humidity of 100% (with condensation). Its conformal coating provides enhanced protection against environmental factors, ensuring reliable operation in harsh conditions. The module is also characterized by its IP20 protection rating and is suitable for use in various industrial applications.

Notably, the SM 1231 module is compliant with ATEX gas-ex-protection standards, categorized under Cat. 3, which allows for its deployment in potentially hazardous environments. With a physical dimension of 75 mm in depth, 45 mm in width, and 100 mm in height, the device facilitates space-efficient installation in control cabinets.