
2. Valve position Feedback disconnection can enter into the manual state automatically.
3. Course quantity display, setting value, control quantity display etc. Are shown triply.
4. Servo control PID regulator positive and negative function choice, can set up upper limit and lower limit of regulator independently without delay output limiting range (It can choose 'no limit' at manual way).
5. The position of switching on by manual /automatic can be kept or the position of switching on by manual can be initialized.
6. No disturbance switching over by manual /automatic and manual /automatic state indication.
7. PID parameter storage and transfer.
8. Remote manual /automatic state control, remote manual operation; Remote switch quantity control; Remote servo control PID regulator control method or when the upper part direct control is operated, the regulator can get up with the input signal automatic.
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