HEIDENHAIN TNC 426 PB/M Technical Manual page 625

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December 2001
Note
The tool data cannot be correctly offset in the block scan if you change
them in the PLC or update them with M4538.
As of NC software 280 476-01 you can save the values for MP9510.x with
the actual-position-capture key.
MP951.0-8
Simulating tool change position for TOOL-CALL during
block scan for axes 1 to 9
Input:
-99 999.9999 to +99 999.9999 [mm] or [°]
MP7450
Offsetting the tool change position from MP951.x in block
scan
Format:
%xxxxxxxxx
Input:
Bits 0 to 8 correspond to axes 1 to 9:
0: Do not offset
1: Offset
MP7451.0-8 Feed rate for returning to the contour for axes 1 to 9
Input:
10 to 300 000 [mm/min]
MP7680
Machine parameter with multiple function
Format:
%xxxxxxxxxxxxx
Input:
Bit 1 – Returning to the contour:
0: Not active
1: Active
Bit 2 – Block scan:
0: Not active
1: Active
Bit 3 – Interruption of block scan for STOP or M06:
0: Interruption
1: No interruption
Bit 4 – Inclusion of programmed dwell time during the block
scan:
0: Include the dwell time
1: Do not include the dwell time
Bit 5 – Start of calculation for block scan:
0: Start from block with cursor
1: Start from beginning of program
M4156
MANUAL TRAVERSE soft key
pressed
M4157
Return to the contour (MOVE TO
POSITION) is active
M4158
Block scan active
M4538
Geometry of the tool from W264
M4542
Do not update pocket number in the
pocket table
Display and Operation
Set
Reset
NC
NC
NC
NC
NC
NC
PLC
NC
PLC
PLC
6 – 295

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