
15. PMC CONTROL FUNCTION
B–63503EN–1/01
742
[Classification] Output signal
[Function] 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.
[Classification] Input signal
[Function] 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 bit 2 (OVE) of parameter No.
8001.
These signals form an eight–bit binary code and correspond to the
override value as follows:
Override value
+
ȍ
7
i+0
|2
i
Vi|%
Vi = 0 when signal *FViE is 1
Vi = 1 when signal *FViE is 0
That is, each signal has the following significance:
*FV7E = 128%,*FV3E = 8% ,
*FV6E = 64%, *FV2E = 4% ,
*FV5E = 32%, *FV1E = 2% ,
*FV4E = 16%, *FV0E = 1%
When all signals are set to “0”, the override is regarded as being 0%, as
well as when all signals are “1”.
[Classification] Input signal
[Function] When override is enabled, independently of the CNC, by setting bit 2
(OVE) of parameter No. 8001, setting this signal to “1” fixes the cutting
feed override to 100%. This signal does not affect the rapid traverse over-
ride.
24 Negative–direction
overtravel signal
EOTNg
25 Positive–direction
overtravel signal
EOTPg
26 Feedrate override
signals *FV0E to *FV7E
27 Override cancellation
signal OVCE