PI P-611 Series, Руководство пользователя

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8 Troubleshooting
32 Version: 1.2.0 PZ253E P­611 Positioners
Problem Possible causes Solution
Axes were mixed up during
connection (only with LEMO
connectors)

Pay attention to the assignment of the
axes when connecting the positioner to
the controller. This assignment is
indicated by labels on the devices.
The positioner is not
connected to the
corresponding controller
(only when there are
several systems)

Pay attention to the assignment of the
devices when several systems are
connected. The assignment is indicated
on the calibration label of the controller
(see rear panel or bottom), which
contains the serial number of the
positioner to be connected.
The positioner
starts oscillating
or positions
inaccurately
Servo control parameters
incorrectly set because for
example, the load was
changed
1. Switch off the servo mode of the
corresponding motion axes immediately.
2. Check the settings of the servo control
parameters on the controller.
3. Adjust the servo control parameters on
the controller according to the load
change.
Open-loop operation near
the resonant frequency

In open-loop operation, operate the
positioner only with a frequency that is
below the resonant frequency.
If the problem with your system is not listed in the table above or cannot be solved as
described, contact our customer service department (p. 33).