Further information for Advantech ADAM-4068-BE -
8-channel relay output module with Modbus
I/O type: 8 channels of C (NO/NC selectable)
Switching capacity: AC: 125V @ 0.6A; 250V @ 0.3A, DC: 30V @ 2A; 110V @ 0.6A
Switching time: Relay on time (typical): 3 ms, Relay off time (typical): 1 ms
LED indicators
Support Modbus/RTU protocol