Mitsubishi Electric A173UHCPU - Page 200

7. POSITIONING CONTROL
7 − 53
(4) Servo program
The servo program No. 300 for fixed-pitch feed control is shown below.
1-axis fixed-pitch feed control
Axis used Axis 4
Travel value 80000
Commanded speed
10000
Dwell
1000
<K 300>
FEED-1
Axis 4, 80000
Speed 10000
Dwell 1000
(5) Sequence program
The sequence program which runs the servo program is shown below.
0
CIRCUIT END
M2000
SVST
2
4
11
13
M9039
M9074
X000
M300
M9074
M9074
M301
M2049 M9076
M2004
M2042
PLS
SET
RST
M300
M301
M301
300
K
J4
2
3
X001
Turns ON PLC ready.
Turns ON servo program No.300
start command flag (M301) when
X000 turns OFF ON.
Turns ON all axes servo start
command.
Servo program No.300 execution
request.
Turns OFF M301 on completion
of sarvo program No.300 executio
n
request.