HEIDENHAIN TNC 335 Technical Manual - Manual (Page 268)

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TNC 360 10 Electronic handwheel 4-171
10.3.2 PLC example
In the following example the currently selected axis is evaluated so that this axis can be moved with
the +/
−
keys. This example is for the X axis (MP7640=4, MP7641=0 and MP7645.0 = 0).
Key on HR 332 PLC input or output
+ Key I170
– Key I169
+ LED O105
– LED O106
;Main program
LBL 1
PS
CM
PL
K+9
9035
B0 Interrogate the selected handwheel axis with 9035
L K+0 Erase the 8 Markers for "manual"
B= M2456 traverse of the axes X to IV
L K$FF Set the 8 complement markers
B= M2472
A MO Erase the PLC outputs
ON MO O100 to O106.
R O100 All LEDs except the
R O101 LED of the selected
R O102 axis are switched off.
R O103
R O104
R O105
R O106
Case B0 Evaluate the selected handwheel axis
CM 10 X axis
CM 11 Y axis
CM 12 Z axis
CM 13 IV axis
ENDC
EM
LBL 10 X axis
LN M2457 If X– is not active
A I170 and the + key is pressed,
S M2456 the axis moves in X+
R M2472 direction.
S O105 LED on the + key lights up.
LN M2456 If X+ is not active
A I169 and the – key is pressed,
S M2457 the axis moves in X–
R M2473 direction.
S O106 LED on the – key lights up.
EM