... or others 2 alarm outputs&sensor power Conect to PC,PLC. DS8A series Sensor Controller(connectable to PLC,PC)Features: 1)Signal input ... .5)Communication:RS232 or RS485 Modbus RTU protocol,connectable with various equipment,computer or PLC;6)Power supply:+12V ... ,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer integrated ...