HEIDENHAIN TNC 320 (34055x-06) - Manual (Page 266)

Programming: Q Parameters
8.8 Additional functions
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TNC 320 | User's Manual HEIDENHAIN Conversational Programming | 5/2013
FN 19: PLC: Transfer values to PLC
The
FN 19: PLC function transfers up to two numerical values or Q
parameters to the PLC.
Increments and units: 0.1 µm or 0.0001°
Example: Transfer the numerical value 10 (which means 1 µm or
0.001°) to the PLC
56 FN 19: PLC=+10/+Q3
FN 20: WAIT FOR: NC and PLC synchronization
This function may only be used with the permission
of your machine tool builder.
With the
FN 20: WAIT FOR function you can synchronize the NC
and PLC during a program run. The NC stops machining until the
condition that you have programmed in the FN 20: WAIT FOR-
block is fulfilled. The TNC can check the following PLC operands:
PLC
operand Abbreviation Address range
Markers M 0 to 4999
Input I 0 to 31, 128 to 152
64 to 126 (first PL 401 B)
192 to 254
(second PL 401 B)
Output
O
0 to 30
32 to 62 (first PL 401 B)
64 to 94
(second PL 401 B)
Counter
C
48 to 79
Timer
T
0 to 95
Byte
B
0 to 4095
Word W 0 to 2047
Double
word D 2048 to 4095