*Power voltage : 24VDC
*Input signal : single way 0-5V (including 1-5V), 0-20mA (including 4-20mA), 0-10V(including 2-10V)
*Output voltage : 12VDC, (support 4 wire, 5 wire, 6 wire system stepping motor electronic expansion valve)
*RS485
communication protocol (ModbusRTU format)
Two way alarm output contact signal

Feature
* 0-5V, 0-10V or 4-20mA standard input signal
* Adopt PID control algorithm with wide application range and precise control
* Multiple controlling method like manual, analog quantity control and PID automatic control
* Equipped with RS485 standard communication port, which can be connected with main machine