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7. POSITIONING CONTROL
M9039
0
M9074
2
X000
M9074
M2049 M9076
4
M300
11
M9074
M301
M2004
13
X001
23
CIRCUIT END
(4) Servo program
The servo program No. 300 for fixed-pitch feed control is shown below.
<K 300>
FEED-1
Axis
4,
Speed
Dwell
(5) Sequence program
The sequence program which runs the servo program is shown below.
1-axis fixed-pitch feed control
80000
Axis used
10000
Travel value
1000
Commanded speed
Dwell
M2000
M2042
PLS
M300
SET
M301
K
SVST
J4
300
RST
M301
7 − 53
Axis 4
80000
10000
1000
Turns ON PLC ready.
Turns ON all axes servo start
command.
Turns ON servo program No.300
start command flag (M301) when
X000 turns OFF
ON.
Servo program No.300 execution
request.
Turns OFF M301 on completion
of sarvo program No.300 execution
request.
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