D19: transfer values to plc, D20: nc and plc synchronization, Programming: q parameters 8.7 additional functions – HEIDENHAIN TNC 320 (34055x-06) ISO programming User Manual
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Programming: Q Parameters
8.7
Additional functions
8
234
TNC 320 | User's Manual for DIN/ISO Programming | 5/2013
D19: Transfer values to PLC
The
D19 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
N56 D19 P01 +10 P02 +Q3 *
D20: NC and PLC synchronization
This function may only be used with the permission
of your machine tool builder.
With the
D20 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 D20 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