HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 325)

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TNC 407/TNC 415/TNC 425 10 Electronic handwheel 01.98
10.3.2 PLC program example
In the following example the currently selected axis is evaluated so as to be traversed with the +/-
keys. (MP7640 = 4, MP7641 = 0 and MP7645.0 = 0).
Key on HR 322 PLC input/output
+ key I170
- key I169
+ LED O105
- LED O106
;Main program
LBL 1
PS
K+9 Interrogate selected handwheel axis with module 9035
CM 9035
PL B0
L K+0 Delete the 8 markers for "Manual
B= M2456 Traverse" of axis X to IV
L K$FF Set the 8 complement markers
B= M2472
L MO PLC outputs O100
ON MO to O106 are deleted.
R O100 All LEDs are
R O101 turned off except the
R O102 LED of the selected axis.
R O103
R O104
R O105
R O106
Case BO Evaluation of selected handwheel axis
CM 10 X-axis
CM 11 Y-axis
CM 12 Z-axis
ENDC
EM
LBL 10 X-axis
LN M2457 Unless X- is active
A I170 and + key is pressed,
S M2456 traverses in
R M2472 X+ direction.
S O106 LED on - key lights up.
EM
LBL 11 Y-axis
.
EM
LBL 12
Z-axis
.
EM
LBL 13
Axis IV
EM