

4 x relay outputs, (2 NO, NC and 2 NO) 4 x digital inputs, and isolated with the display, RS485 bus, 10 - 30VDC
RS485 relay box with the display
4 x relay outputs 2 and connect switch 2
4 x isolated inputs
Supply 10 to 30
RS485 Communication port
16 bit counter
ON Voltage Level: 4 V 30 ~ V
OFF Voltage Level: 0 ~ 1 V V
Insulation Voltage: 3750 Vrms
Input Resistance: 3 kΩ, 0.25 W
Dual Watchdog