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Table 9.5 Function,
Operation and Timing
of Input Signals
(8-5)
I
Signal Name
Signal Symbol
Function,
Operation and Timing
Feed Override
(1)
OV1
This is the 21-stage
feed override
selection
signal.
For the feed rate
Feed Override
(2)
OV2
commanded
by F symbol
in the memory
operation,
any one of the 21-
Feed Override
(4)
OV4
stage
overrides
can be selected
by the combination
of OV1, OV2, OV4,
Feed Override
(8)
OV8
OV8 and OV16.
This function
is effective
by setting
parameter
#1002-
Feed Override
(16)
OV16
D2 to "1".
The 21-stageoverride
values are as follows.
Signal
State
Stage
Override Value
OVl
0V2
OV4
0V8
0V16
0
OFF
OFF
OFF
OFF
OFF
0%
.1
ON
()Ft r
OFF
OFF
OFF
10%
2
OFF
ON
OFF
OFF
OFF
20%
3
ON
ON
OFF"
OFF
OFF
30%
4
OF'F
OFF"
ON
OFF
OFF
40%
5
ON
OFF
ON
OFF
OFF
50%
I
6
OFF
ON
ON
OFF
OFF
60%
7
ON
ON
ON
OFF
OFF
70%
8
OFF
OFF
OFF
ON
OFF
80%
9
ON
OFF
OFF"
ON
OFF"
90%
10 OFF
ON
OFF
ON
OFF
100%
11
ON
ON
OFF
ON
OFF
]10%
12 OFF
OFF
ON
ON
OFF
120%
13
ON
OFF
ON
ON
OFF
130%
I
14
OFF
ON
ON
ON
OFF
140%
15
ON
ON
ON
ON
OFF
150%
16 OFF
OFF
OFF
OFF
ON
160%
17
ON
OFF
OFF
OFF
ON
170%
18
OFF"
ON
OFF
OFF
ON
180%
19
ON
ON
OFF,
OFF
ON
190%
20
OFF
OFF
ON
OFF
ON
200%
Note:
Override
value
of combinations
not listed
above
will
be 0%.
t
Rapid Feed
ROV1
The signals are used to select override in rapid feedrate operation.
Override
(1)
The rapid
feedrate
set in parameters
#1500, #1700 and
#1900 can be '
overridden
by combining
ROV1
and ROV2
to select
any
override
Rapid Feed
ROV2
value among
three stages
L, M, and H. Override
values are listed
Override (2)
below:
Override Value
Signal
State
ROV1
ROV2
L0
OFF
OFF
0% override
L
ON
OFF
25% override
M
OFF
ON
50% override
H
ON
ON
100% override
L: Low speed M: Medium speed H: High speed
Rapid Feed
ROV3
When this signal
is turned
on, the override
value by ROV1 and ROV2
Override
Cancel
is ignored
and 100% of speed is used.
177
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