Flowserve 3400IQ User Manual
Page 21
Logix 3400IQ Digital Positioner FCD LGENIM3403-00 – 11/07
Pressure Calibration: To perform a pressure calibration, complete the following steps:
•
Set the Transducer block to OOS.
•
Check the periodic update box under the Custom tab, in the Transducer Block window.
•
Ensure the positioner is an advance model (see parameter CONTROL_FLAGS).
•
Ensure air supply.
•
Set PRESS_CAL to air supply pressure value.
•
Set PRESS_UNITS to the proper pressure units
•
Select Perform Pressure Calibration option under the CALIBRATE parameter in the NI Configurator.
•
Click the Write button.
The valve should now go closed, then open. CALIBRATE will return to normal operation at the completion of
the calibration process.
21
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