
B-63943EN-1/02 17.PMC CONTROL FUNCTION
- 1953 -
(24) Negative-direction overtravel signal EOTNg <F130.6, F133.6, F136.6, F139.6>
(25) Positive-direction overtravel signal EOTPg <F130.5, F133.5, F136.5, F139.5>
[Classification] Output signal, group-by-group signal
[Function] Indicates the overtravel state.
[Operation] These signals are set to "1" when an overtravel alarm is detected.
When the stroke limit in the negative direction is exceeded, signal
EOTNg is set to "1". When the stroke limit in the positive direction is
exceeded, signal EOTPg is set to "1". Simultaneously, alarm signal
EIALg is set to "1".
These signals are set to "0" when the overtravel alarm is released and
reset signal ECLRg is set to "1". See "Alarm signal EIALg" for details
of how to release an overtravel alarm.
(26) Feedrate override signals *EFOV0g to *EFOV7g <G151 (, G163, G175, G187)>
[Classification] Input signal, path-by-path signal (group-by-group signal)
[Function] Applies cutting override.
[Operation] Like the CNC's feedrate override signals *FV0 to *FV7, these signals
can be used to select the override for the cutting feedrate, in steps of
1% from 0 to 254%, independently of the CNC using the parameter
OVE (No. 8001#2).
These signals form an eight-bit binary code and correspond to the
override value as follows:
∑
=
×=
7
0i
i
%2 valueOverride Vi
Vi = 0 when signal *EFOVi is 1
Vi = 1 when signal *EFOVi is 0
That is, each signal has the following significance:
*EFOV7 = 128%, *EFOV3 = 8% ,
*EFOV6 = 64%, *EFOV2 = 4% ,
*EFOV5 = 32%, *EFOV1 = 2% ,
*EFOV4 = 16%, *EFOV0 = 1%
When all signals are set to "0", the override is regarded as being 0%,
as well as when all signals are "1".
Bit 5 (IFV) of parameter No. 8005 is used to determine whether these
signals are path-by-path signals or group-by-group signals.
When the IFV parameter is set to 0, these signals are path-by-path
signals. When the IFV parameter is set to 1, these signals are
group-by-group signals.