Analog I/O unit, 4 x inputs 4 to 20 mA, 1 to 5 V, 0 to 5 V, 0 to 10 V, -10 to 10 V, 4 x outputs 1 to 5 V, 0 to 5 V, 0 to 10 V, -10 to +10 V, resolution 12 bit, screw terminals
Serial communications unit, 2 x RS-232C ports, Protocol Macro, Host Link, 1:N NT Link, No protocol, Serial Gateway (CompoWay/F, Modbus-RTU, Modbus-ASCII, Host Link), Modbus RTU Slave
Serial communication unit, 2x RS-422/485 ports, Protocol Macro, Host Link, 1:N NT Link, No protocol, Serial Gateway (CompoWay/F, Modbus-RTU, Modbus-ASCII, Host Link), Modbus RTU Slave