HEIDENHAIN iTNC 530 Service Manual page 281

Flowchart
July 2010
Interchanging the position encoders
Shut down the control and switch off
the main switch of machine.
Interchange the position encoder cables on the
MC or CC 424 for the axes concerned
(in the example: connectors X1 and X2
on the MC).
Switch on the main switch of machine.
Do not confirm the Power interrupted
message but immediately call the MP list and
interchange the entry values in MP110.x
of the axes concerned
(in the example: MP 110.0: 2 and MP 110.1: 1)
If required also interchange the values in
MP 115.0 and MP 115.2 and
MP 116.0 and MP 116.2
(signal type and input frequency).
Switch on the machine and traverse the axes.
Does the error
pattern move to the other axis?
(In the example:
from X to Y)
The defect is probably located in the position
encoder input of the control.
Yes
Yes
No
Defect is located in the position
encoder or the encoder cable.
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