I/O Calibration
PPO Motor Calibration
Revision 9
900 Control Station User Guide
167
May 2014
Cancel Calibration
You can stop the calibration process at any time by pressing the Cancel button. The status goes to “ready”
and the previous calibration is restored. The motor will stop moving when this button is pressed. In order
to resume calibration you must start over.
Calibration Errors
The following errors may be reported during the calibration process. Errors are displayed in red. Take the
appropriate corrective action and repeat the calibration procedure from the beginning.
Table 39 Calibration Errors
Instrument Status and
Instructions
Cause
Corrective Action
Calibration Failed
The calibration was not
performed in the correct
sequence.
Go back to Step 1 and repeat
the calibration process
The selected motor position has
not been configured.
Go back to the SELECT
MOTOR TO CALIBRATE
display and reselect the desired
motor.
Calibration Failed – Bad AI
The AI channel being used for
the position feedback signal has
failed in some way.
Check for correct wiring and
correct AI input type.
Calibration Failed – Bad Feedback
The value of the feedback signal
is out of range for the calibration
being performed.
Check for reversed wiring of
the feedback signal. Forward
motor movement should
produce increasing feedback
values.
Calibration Failed – Wrong AI
Version
The firmware on the AI module
does not support PPO motor
control using a slide wire for the
position feedback.
Obtain a new AI module from
your supplier.