..C4 Quick Start Guide..
7
Induction motors:
I. Try running in Open loop, in other words, no Encoder feedback.
Magnetek:
- Utilities (U0) -> Basics (U9) -> Drive mode -> Open loop
KEB:
- Control Setting -> Control Mode (LC01) -> set parameter to 0 (Open Loop).
If the car is running smoothly in Open Loop, it may be an indication that there is an issue with the
encoder or the encoder wiring.
II. If running in Open loop made no difference, try the following:
Magnetek:
- Adjust (A0) -> Drive (A1) -> Response -> decrease the value of the response -> if no
changes, set the value back to 10 (default).
KEB:
- Control Setting -> LC03 - LC12 -> cut all gains by half and confirm.
III. If the above two methods made no difference, make sure the vibrations are not mechanical. Drift
the car with no power and determine the source of the vibrations, if there are any. Follow these
instructions to drift the car with no power:
1. Position the car at the bottom landing. It is best to add some weight inside the car to prevent
the car from running too fast.
2. Disable the doors by setting DIP A3 on machine room board to ON.
3. Enable unintended motion test by setting DIP B8 on the machine room board to ON and set
parameter 01-0052 to ON.
4. Push in the B1 contact. The car will start drifting upwards.
Permanent Magnet motors:
Magnetek:
- Under User Switches (C1) -> Endat Interp and Endat Out Mult -> try lowering one parameter
at a time by 1 count each time.
NOTE: the lower the setting for either parameter, the less there is control over the machine.
- Adjust (A0) -> Drive (A1) -> Response -> decrease the value of the response -> if no changes,
set the value back to 10 (default).
- Adjust (A0) -> Drive (A1) -> Inner Loop Xover -> decrease the value -> if no changes, set the
value back to 2 (default).
KEB:
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