AEP series intelligent valve positioner is my company developed a
new type positioner ,Positioner from the controller or control
system to accept 4-20mA current signal ,Electrical conversion unit
mainly adopts the piezoelectric ceramic valve technology,Through
the high performance microcomputer processing to precise control of
valve opening,automatic setting and PID optimal control . It also
has valve position feedback,HART communications features, it has
become a new generation of main products .