30 – 628 HEIDENHAIN Service Manual iTNC 530
MP7440 Output of M functions
Format: %xxxxxxx
Input: Bit 0 – Program stop with M06
0: Program stop with M06
1: No program stop with M06
Bit 1 – Modal cycle call M89
0: Normal code transfer of M89 at beginning of block
1: Modal cycle call M89 at end of block
Bit 2 – Program stop with M functions
0: Program stop until acknowledgment of the M function
1: No program stop: No waiting for acknowledgment.
Bit 3 – Switching of kv factors with M105/M106:
0: Function is not in effect
1: Function is effective
Bit 4 – Reduced feed rate in the tool axis with M103:
0: Function is not in effect
1: Function is effective
Bit 5 – Reserved
Bit 6 – Automatic activation of M134
0: M134 must be activated in the NC program
1: M134 is automatically activated when an NC program is selected.
PLC
RUN
CN123
MP7441 Error message during cycle call
Format: %xxx
Input: Bit 0 –
0: Error message Spindle ? is not suppressed
1: Error message Spindle ? is suppressed
Bit 1: Reserved, enter 0
Bit 2 –
0: Error message Enter depth as negative is suppressed
1: Error message Enter depth as negative is not suppressed
PLC
RUN
CN123
MP7442 Number of the M function for spindle orientation in the cycles
Input: 1 to 999: Number of the M function
0: No oriented spindle stop
–1: Oriented spindle stop by the NC
PLC
RUN
CN123
MP7444 Delay time for the change signals (M/S/T)
Input: 0, 1, 2
0: Change signal after complete filter run time (previous behavior)
1 = Change signal if the nominal feed rate reached the value 0 before the actual value
(formed by the filters) did.
2 = Change signal if the nominal feed rate reached the value 0 before the actual value
(formed by the filters) did, and an additional delay until the actual value reaches the time
window the first time.
340 490-05
MP7450 Offsetting the tool change position from MP951.x in block scan
Format: %xxxxxxxxxxxxxx
Input: Bits 0 to 13 represent axes 1 to 14
0: Do not offset
1: Offset
PLC
RUN
MP7451.0-8 Feed rate for returning to the contour for axes 1 to 9
Input: 10 to 300 000 [mm/min]
PLC
RUN
MP7460.x Reserved 340 422-10,
340 480-10
PLC
RUN
CN123
MP Function and input SW version
and
behavior
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