Mitsubishi Electric M800VW Series Programming Manual page 656

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.12 Chopping
(*1) If an alarm occurs when the chopping parameter valid signal is turned ON, Rn bit is turned ON. Alarm details is output to
the chopping error No. (R554), as well.
Rn bit Error
BITA Option error
BITF
BITB Compensation method er-
BITF ror
BITC Illegal number of axes er-
BITF ror
Chopping error
BIT9
BITF
The error bit shown above is not turned ON in the following cases. However, chopping error No. is output.
 Control data area exceeds the R register area designated for the control data.
 Control data area and compensatioin amount record area are overlapped.
There is no specification for chopping.
Compensation method is set to other than 0(Compensation value sequential
update type) or 1(Compensation value fixed type).
Multiple chopping axes are specified by the PLC interface.
Part system commanded by PLC interface is not valid.
Chopping axis is not specified by either PLC interface or parameter.
Rotary axis is specified as the chopping axis.
Rapid traverse override valid/invalid is set to other than 0(invalid) or 1(valid).
Data No. of the control data is a negative value.
Compensation amount record area exceeds R register backup area (R8300 to
R9799).
((Rm+14xN sets+4) > 9799.)
The mode for the compensation value fixed method is set to other than 0(play-
back mode) or 1(record mode).
Number of cycles is 0 or less, or over 1056.
(If 0 or less, 1 is applied. If exceeds 1056, 1056 is applied.)
Acceleration determined by the parameter exceeds clamp/chtL.
(The number of cycles is reduced.)
When the chopping axis is changed during chopping operation.
(Chopping axis is not changed during chopping.)
F(feedrate) exceeds the clamp speed.
(The speed is clamped to the clamp speed (#2081 chclsp).)
Chopping axis's #2081 chclsp (chopping clamp speed) and #2002 clamp (cut-
ting clamp speed) are both set to "0".
635
Cause
IB-1501668-B