Operating Temperature Range –20~70°C 8 channel analog input (0~5v or 0~20mA) , 12 bit 8-point isolated digit input 5-48 VDC(with SOE), or 8-point single channel counters up to 1 KHz 8-point relay output, 250VAC 5A per point or 30VDC 5A per point one RS232 or RS485, MOBUS RTU , 300-38400bps one PROFIBUS DP, 187.5K BPS AC(85-265V) or DC 24V power supplies 125x110x40 size