Product introduction
This control card is used for valve position control of pneumatic or hydraulic servo of closed-loop control system. Input command 4-20mA or 0-10VDC, feedback input can be 0-10V signal from LVDT, DEH command and LVDT feedback voltage after P or P+I adjustment, output ±27 mA current to drive the servo valve. The module uses an external ±15V power supply, which can be accessed at the corresponding input terminals.
