Method of operation, General, Method of operation 15 – Badger Meter SRD/SRI Valve Positioners User Manual
Page 15: General 15
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METHOD OF OPERATION
General
The intelligent positioner SRD991 1 and the pneumatic actuator 2 form a control loop with the setpoint value w (from master
controller or control system), the output pressure y and the position x of the actuator on valve 3
Figure 1: Fieldbus version
For the supply air, use a filter regulator
Method of Operation
Page 15
August 2014
POS-UM-00010-EN-03
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