... or others 2 alarm outputs&sensor power Conect to PC,PLC. DS8A series Sensor Controller(connectable to PLC,PC)Features: 1)Signal input: ... LED 4 digit display, range:-1999~9999 floating point.5)Communication:RS232 or RS485 Modbus RTU protocol,connectable with ... ,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, ...