Check The Counting/Traversing Direction - HEIDENHAIN TNC 426 PB/M Technical Manual

Position controller
TRAVERSE REFERENCE POINTS
with start key.
Traverse direction
Power off. Change MP1320.
6 – 504
Please note:
Note
For analog axes, you must adjust the servo amplifier before you optimize
the position controller.
Adjusting the position control loop:
7 7 7 7 Activate a PLC program that is adapted to the machine.
7 7 7 7 Ensure that the position control loop is closed (W1038/W1040) and all
inputs/outputs are properly operated.
7 7 7 7 To optimize the position control loop take the following steps:

1. Check the counting/traversing direction

(see flowchart)
Power on
Change machine
parameters
Press CE to clear POWER INTERRUPTED
message. Switch on control voltage.
Standstill monitoring
TRAVERSE
NO
REFERENCE POINTS
with axis direction keys.
YES
correct?
?
YES
?
Change
MP210
MP1040
MP1320
YES
<AXIS>
?
Press END.
Change MP1040
or MP210.
YES
YES
Traverse direction
Change MP210 and MP1040.
Finished
HEIDENHAIN Technical Manual TNC 426, TNC 430
correct?
?
NO
Power off.