YASKAWA YASNAC J50 - Page 145

20.2.6 FEEDRATE OVERRIDE (OV1, OV2, OV4,
OV8, OV16) INPUT AND FEED OVERRIDE CANCEL
(OVC) INPUT
(1) These input signals are for specifying override speeds between O
and 200% at 10% intervals on the programmed speeds.
Table 20.2
1:CLOSED, O:OPEN
Feedrate Overnde
(Automatic Operation
Ovl OV2
0V4 0V8 0V16
Mode)
o 0 0 0
0
o%
1
0 0
0 0
1090
0 1
0 0
0
20%
1
1 0
0 0
30%
o 0 1
0 0
40%
1
0 1
0 0
50%
o 1
1
0 0
60%
1 1
1
0
0
I
70%
o 0 0 1
0
80%
1
0 0 1
0
90%
o 1
0 1 0
100%
1 1
0 1
0
110’%
o
0
1 1
0
120%
1
0 1 1
0
130’%0
o
1
1 1
0
140’%0
1 1 1
1 0
150%
o 0
0 0
1
I
160%
1
0
0 0 1
170%
o 1
0 0 1
180%
1
1 0 0 1
190%
o 0 1
0 1
200%
1
0
1
0 1
220%
o 1 1
0
1
240%
1 1 1
0 1
260%
o 0
0
1 1
280%
1
0 0 1 1
300%
o
1
0 1 1
340%
1 1
0
1
1
380%
o 0 1 1 1
420%
1 0 1 1 1
460%
o 1 1 1 1
500%
1 1 1 1 1
I
540%
Note :
For the control with feedrate override option, feedrate override is
adjustable between 220% and 540%.
(2) Feed Override Cancel (OVC) Input
20.2.7 MANUAL JOG FEEDRATE SELECTION (JV1 ,
JV2,JV4,JV8,JV16) INPUT
(1) These inputs specify the manual jog feedrates in the manual
JOG mode.
(2) The manual jog feedrates can be used as the feedrates for part
program dry run execution in the automatic operation mode. For
details, refer to “20. 2.14 Dry Run (DRN) Input.”
Table 20.3
1: CLOSED, O:
OPEN
Manual Jog Feedrate
(Manual Operation Mode)
JV1 I JV2 I JV4 I JV8 I JV16
Parameter Setting
o 0 0
0 0
I
#6233
1
0 0 0
0
#6234
1 1
1
0 0
I
#6240
1
0 1 1 0
I
#6246
o
1 1 1
0
#6247
1 1 1 1
0
#6248
o
0 0 0
1 #6249
1
0 0 0 1
#6250
o 1 0 0 1 #6251
1 1
0 0 1
#6252
o 0
1
0
1 #6253
1 0 1 0 1 #6254
o 1 1 0 1
#6255
1 1 1
0
1 #6256
o 0 0
1 1 #6257
1 0 0
1 1
I
#6258
o 1 0 1 1 #6259
This is the input for fixing the feedrate override at 100%. When
the OVC input contact is closed, the feedrate in part program
exe-cution in the automatic operation modes is locked at the
pro-grammed value, irrespective of the override input
conditions.
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