HEIDENHAIN TNC 426 CB, Technical Manual

Page: 625 / 1135

December 2001 Display and Operation 6 – 295
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
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.
Set Reset
M4156 MANUAL TRAVERSE soft key
pressed NC NC
M4157 Return to the contour (MOVE TO
POSITION) is active NC NC
M4158 Block scan active NC NC
M4538 Geometry of the tool from W264 PLC NC
M4542 Do not update pocket number in the
pocket table PLC PLC