Plc Program Example - HEIDENHAIN TNC 415 Technical Manual

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
+ key
- key
+ LED
- LED
;Main program
LBL 1
PS K+9
CM 9035
PL B0
L K+0
B= M2456
L K$FF
B= M2472
L MO
ON MO
R O100
R O101
R O102
R O103
R O104
R O105
R O106
Case BO
CM 10
CM 11
CM 12
ENDC
EM
LBL 10
LN M2457
A I170
S M2456
R M2472
S O106
EM
LBL 11 Y-axis
.
EM
LBL 12 Z-axis
.
EM
LBL 13 Axis IV
EM
4-200 TNC 407/TNC 415/TNC 425
PLC input/output
I170
I169
O105
O106
Interrogate selected handwheel axis with module 9035
Delete the 8 markers for "Manual
Traverse" of axis X to IV
Set the 8 complement markers
PLC outputs O100
to O106 are deleted.
All LEDs are
turned off except the
LED of the selected axis.
Evaluation of selected handwheel axis
X-axis
Y-axis
Z-axis
X-axis
Unless X- is active
and + key is pressed,
traverses in
X+ direction.
LED on - key lights up.
10 Electronic handwheel 01.98