Siemens 6ES5-431-8MA11

The Siemens Simatic S5 Input Module consists of eight independent and isolated VDC input circuits, Circuit isolation of 1500 VAC, field side status indicators, transient protection, surge withstand capability in compliance with IEEE 472-1974 and ANSI C37.90A, UL listed and CSA certified and designed for harsh plant floor environments.

The module converts signals from user devices to the appropriate logic level for use within the processor. Typical input devices include: proximity switches, limit switches, selector switches, float switches, pushbutton switches.