RS485 connection – up to 31 slaves
CANopen – up to 62 slaves
CANlink – up to 62 slaves
Modbus TCP – up to 32 slaves (working as client/master)
Modbus TCP – up to 16 masters (working as server/slave)
Up to 3 serial ports (RS232/485) – 1 onboard and 2 GE20 expansion cards