
7.FEEDRATE CONTROL/ACCELERATION AND DECELERATION CONTROL B-63943EN-1/02
- 720 -
- 0.1% step rapid traverse override selection signal
With the 0.1% step rapid traverse override selection signal FHROV, a
1% step rapid traverse override or 0.1% step rapid traverse override
can be selected for use.
When the HROV signal is set to 1 and the FHROV signal is set to 0, a
1% step rapid traverse override is applied.
When the HROV and FHROV signals are both set to 1, the 1% step
rapid traverse override is disabled, and the rapid traverse override
specified by the 0.1% step rapid traverse override signals *FHRO0 to
*FHRO9 is enabled.
- PMC axis control
These 1% step rapid traverse override signals or 0.1% step rapid
traverse override selection signals are also effective to the rapid
traverse rate for the PMC axis. When rapid traverse override is applied
to the PMC axis (using signals ROV1E and ROV2E) with the setting
of the OVE bit (bit 2 of parameter No. 8001) independently of the
CNC, the 1% step rapid traverse override signals are ineffective.
Signal
Rapid traverse override signal ROV1,ROV2<Gn014#0,#1>
[Classification] Input signal
[Function] These signals override the rapid traverse rate
[Operation] These code signals correspond to the rates as follows (Table 7.1.7 (a)):
Table 7.1.7 (a) Signals ROV1 to ROV2 and override value
Rapid traverse override
ROV2 ROV1
Override value
0
0
1
1
0
1
0
1
100%
50%
25%
F0
F0 : Set in parameter No. 1421
1% step rapid traverse override selection signal HROV<Gn096#7>
[Classification] Input signal
[Function] Selects the rapid traverse override signals or the 1% step rapid traverse
override signals.
[Operation] When this signal is set to 1, the values of *HROV0 to *HROV6 are
enabled. (Rapid traverse override by signals ROV1 and ROV2 is
disabled.)
When this signal is set to 0, Rapid traverse override by signals ROV1
and ROV2 is enabled. (the values of *HROV0 to *HROV6 are
disabled.)