Operating Voltage : 12 ~ 30Vdc working Current : 50mA Input Analog Range : 0 -20 mA Relay Output : 1 Relay Resolution : 12Bit (4095) Acquisition Accuracy : ±0.1% Communication Type : Ethernet (RJ45) 10/100Mbps Communication Protocol : Modbus TCP, TCP Server Communication Distance : 100Mtr default IP : 192.168.2.88 Port : 502 , 503 Instaltion Method : Din Rail 35mm note: free Software dan Manual