Deselecting And Disconnecting The Portable Handwheel - HEIDENHAIN iTNC 530 Service Manual

24.5 Deselecting and Disconnecting the Portable Handwheel

You have found that an a portable handwheel is defective and must be exchanged or repaired.
The customer can deselect the handwheel to be able to continue work without it.
The dummy plug for the handwheel adapter can be purchased from the machine manufacturer
Dummy plug
or from HEIDENHAIN (ID 271958-03).
July 2010
Switch off the machine.
Unscrew the handwheel from the handwheel adapter at the console.
Screw the dummy plug onto the handwheel adapter.
Note
The EMERGENCY STOP button on the handwheel is serially connected into the
EMERGENCY STOP chain.
The dummy plug bridges the missing handwheel in the EMERGENCY STOP chain.
Switch on the machine.
Do not acknowledge the Power interrupted message, but call the machine parameter list.
Enter the value 0 (no handwheel) in machine parameter MP7640.
Exit the machine parameter list.
Switch on the machine and perform functional testing.
DANGER
When you connect a new or repaired handwheel to the machine:
You must absolutely check, whether the EMERGENCY STOP button on the
handwheel functions properly!
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