24 – 398 HEIDENHAIN Service Manual iTNC 530 HSCI
Figure: Inspection of an axis-direction button in the HSCI bus diagnosis
With the logic diagram you can check the chronological switching behavior of the MB keys:
8 Switch on the machine.
8 Press the EMERGENCY STOP button.
8 Call the logic diagram. --> See ”The LOGIC diagram” on page 11 – 124.
8 Define the inputs for the recording to follow.
(The numbers of the inputs can be seen from the Operand line in the HSCI bus diagnosis.)
8 Start recording.
8 Press the keys or buttons. --> The associated inputs must change to 1.
Exception: NC STOP --> Changes to 0 when actuated (failsafe!)
Figure: Recording of NC START and NC STOP keys in the logic diagram
To Next Page
Loading...
