Siemens 500-5001

See: Texas Instruments 500-5001

The Series 500 discrete Input module contains 8 identical solid state input circuits to accept ON/OFF status of user devices such as push buttons, limit switches, and thumb-wheels. The module sense an externally supplied ac/dc voltage, four input circuits per ac/dc supply. 6 versions of the discrete input modules are available. Input voltage Range: 85-132 VAC, 2 mA Max/Pt, 50/60 Hz.