Flowserve Logix 520MD+ DD - Manual (Page 12)

DD User Manual - Logix® 520MD+ Series Digital Positioner FCD-LGENSF0013-01
© Flowserve Corporation
12
View the number of times the valve failed to move at the end
of a ramp.
5.2.5 CST On/Off
Turn CST on or off. Warning: The CST will cause small
periodic valve movements.
6 CALIBRATION
Calibrate all aspects of the positioner.
6.1 Calibrate Sensors
Calibrate the stroke, pressure sensors, friction feature, or all
of them in one operation using the "Triple" calibration.
6.2 Calibrate Command Input
Calibrate the analog command input. Typically this will be 4
to 20 mA. However, a split range can be set also.

DANGER: Using this feature will result in valve movement
and the inability to operate the valve until the operation is
complete. Notify proper personnel that the valve may
stroke, and make sure the valve is properly isolated before
proceeding.
6.3 Calibration Dates and Times
View a history of previous calibration dates and times.
6.4 Calibrate MFC Analog Out 1
Calibrate the analog output. A multi-function card (MFC)
must be installed in slot 1 and configured for the AO function.
6.5 Calibrate MFC Analog Out 2
Calibrate the analog output. A multi-function card (MFC)
must be installed in slot 2 and configured for the AO function.
6.6 Calibration Status
View details about the calibration flags.
6.6.1 StartUp Status
View the state of the positioner including Power ON,
Initializing, Stroke Calibration Required, Pressure Calibration
Required, and Friction Calibration Required.
6.6.2 Calibration Status
View the state of the positioner including Stroke Calibration in
Progress, Setting Inner Loop Offset, Pressure Calibration in
Progress, Friction Calibration in Progress, Command Input
Calibration in Progress, Analog Output Calibration In
Progress, and Jog Calibration Set 100% Position.