Remote digital I/O module in the EX9000/EX9000-M series with 8 digital inputs and 8 digital outputs. Uses common source or ground inputs and open source (N-MOSFET) outputs. Provides 3750 Vrms isolation on input, +10 to +40 V load voltage, 650 mA max load current, digital input threshold 4 VDC max low and 10 to 50 V high, 10 KOhm input impedance, dual watchdog, output save/power-on/command value support, and +10 to +30 VDC power input.