Hr 410 Handwheel - HEIDENHAIN iTNC 530 Service Manual

19.2 HR 410 Handwheel

Checking data The HR 410 serial handwheel can be checked using an oscilloscope. The following signals can
transmission be measured at handwheel input X23 of the MC. The signals must correspond to the following
diagram:
19 – 264
2V/DIV
Pin 6 DTR
0 V
Pin 8 RxD
0 V
t = 6 ms
Note
Power is supplied to the handwheel via the MC.
(X23 Pin 2 = 0 V, Pin 4 = + 12 V)
HEIDENHAIN Service Manual iTNC 530