HEIDENHAIN TNC 426 PB/M Technical Manual page 306

MP Function and input
MP7680 Machine parameter with multiple function
Format:
Input:
4 – 68
%xxxxxxxxxxxxx
Bit 0 – Memory function for axis-direction keys
with M4562
0: Not saved
1: Saved if M4562 is set
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
Bit 6 – Tool length in blocks with
normal vectors
0: Without R2 from tool table (south pole)
1: With R2 from tool table (center of sphere)
Bit 7 – Inserting a defined rounding arc
or spline
0: Defined rounding arcs are always
inserted
1: Defined rounding arcs are always inserted
if the acceleration from MP1060.x
or MP1070 was exceeded
HEIDENHAIN Technical Manual TNC 426, TNC 430
Software Page
version and
behavior
PLC 6 – 153,
6 – 155,
RUN
6 – 293,
6 – 295,
6 – 344,
6 – 416