Mitsubishi Electric M800 Series Manual page 422

M800/M80/E80/C80 Series Alarm/Parameter Manual
16 Machine Parameters
(PR) #1246 set18
bit0: Thread cut override ON
Select whether to enable spindle override during thread cutting.
0: Disable
1: Enable
bit1: Thread cut override feed hold
Select whether to perform feed hold when spindle override is changed during thread cutting.
0: Not perform feed hold
1: Perform feed hold
bit2: Switch coordinate systems for radius compensation
Select the coordinate system for radius compensation.
0: Type 1 (Conventional specification)
Perform radius compensation with reference to a position on the workpiece coordinate system.
1: Type 2
Perform radius compensation with reference to a position on the program coordinate system.
bit3: Change repetition final return position at M2L
Select the final return position after repetition, when in G99 modal and in M2 format with the label L.
0: Initial point
1: R point
bit4: T-lifeover signal output
Select the timing at which tool life over signal is output when using the M system tool life management I/III.
0: Turn the signal ON when a selected tool has reached the lifetime.
1: Turn the signal ON when any of tools (in the case of the tool life management III, all the registered tools)
in a selected group has reached the lifetime.
bit5: Tool status update type
Select whether to update tool status automatically when lifetime/usage data is changed on the screen in the
M system tool life management I/II/III.
0: Not update.
1: Update.
(Note) When "1" is selected, tool status will be updated as follows.
- When usage data is "0", tool status will be "0".
- When usage data is smaller than lifetime data, tool status will be "1".
- When usage data is the same as or larger than lifetime data, tool status will be "2".
bit6 : Switch F 1-digit feedrate change method
Set whether to enable feedrate change with handle until power OFF, or change the parameters #1185 to
#1189 with change of speed.
0: Enabled until power OFF
1: Change #1185 spd_F1 to #1189 spd_F5
bit7: PLC axis random device assignment
Select whether to enable the origin dog and H/W OT random assignment for a PLC axis.
0: Disable (assigned to a fixed device)
1: Enable (assigned to the parameter set device)
405 IB-1501279-H