Mitsubishi Electric M800 Series Manual page 426

M800/M80/E80/C80 Series Alarm/Parameter Manual
16 Machine Parameters
(PR) #1255 set27
bit0: High-accuracy calculation during constant surface speed control
[M8]
Enable the high-accuracy spindle speed calculation under constant surface speed control.
0: Calculate the speed with the tolerance of plus or minus 10r/min (same as conventional specifications).
1: Calculate the speed with the tolerance of plus or minus 1r/min.
[C80]
Not used.
bit1: MTB macro M99 command single block stop
[M8]
For M99 command during MTB macro, select whether to execute single block stop or not.
0: Not execute single block stop in the M99 command
1: Execute single block stop in M99 command
(Note 1) During Suppression of single block stop (#3003/BIT0 = 1) of system variable, single block stop is
not applied in the M99 command even if this parameter is valid.
(Note 2) While single block is suppressed by the A1 command of macro definition program (O199999999),
single block stop is applied if this parameter is valid.
[C80]
Not used.
bit3: Holding diameter/radius designation after NC reset
[M8]
Select whether to hold the diameter/radius designation of each axis selected in G10.9 after NC reset.
0: Diameter/radius designation is initialized by NC reset.
1: Diameter/radius designation is held after NC reset.
[C80]
Not used.
bit4:Tool retraction from hole bottom in boring cycle
[M8]
0: Move at the rapid traverse rate (G0 interpolation feed).
1: Move with linear interpolation (at the feedrate commanded with F).
[C80]
Not used.
bit5: Tool length offset for multiple axis synchronization control
[M8]
Select whether to enable the tool length offset dedicated to the multiple axis synchronization control.
0: Disable
1: Enable
409 IB-1501279-H