... be mounted on the rail in control cabinet, generate 4~20mA output signal directly.• High accuracy, low power consumption, working ... ,J,E,N,T,R,S,B,PT100,CU50,4-20mA,0-5V 2)Muti output: relay/SSR Logic/Liner output(selected ... Two confligurable relay alarms,contact capacity 5A @250V AC 4)Auto-tuning 5) PID control;ON/OFF control 6) ... serial interface MODBUS/RTU protocol Rail Mounted temperature transmitter