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7. POSITIONING CONTROL
M9039
0
M9074
2
X000
M9074
M2049 M9076
4
M91
14
M9074
M93
M2001
16
M94
27
M2001
M3200
29
CIRCUIT END
(4) Servo program
The servo program No. 91 for speed control (I) is shown below.
<K 91>
VF
Axis
1,
Speed
(5) Sequence program
The sequence program which runs the servo program is shown below.
Speed control (I) (Forward)
Axis used ¥¥¥¥¥¥¥¥¥ Axis 1
3000
Positioning speed ¥¥ 3000
PLS
PLF
SET
SVST
J1
RST
SET
RST
7 − 63
M2000
Turns ON PLC ready.
Turns ON all axes servo start
M2042
command.
Detects leading edge of X000
M91
(OFF
ON)
Detects leading edge of X000
M94
(ON
OFF)
Turns ON servo program No.91
M93
start command flag (M93) when
X000 turns OFF
ON.
K
Servo program No.91 execution
91
request.
Turns OFF M93 on completion
M93
of sarvo program No.91 execution
request.
M3200
Turns ON stop command flag
(M3200) at trailing edge of X000.
Turns OFF stop command flag
M3200
(M3200) when Axis 1 stops.
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