Mitsubishi Electric A173UHCPU Programming Manual page 203

7. POSITIONING CONTROL
M9039
0
M9074
2
X000 M9074 M2049 M9076
4
M320
11
M9074 M321 M2001 M2002 M2003
13
CIRCUIT END
(3) Operation timing
The operation timing for fixed-pitch feed control using 2-axes linear
interpolation is shown below.
PLC ready (M2000)
All axes servo start command
(M2042)
All axes servo start accept flag
(M2049)
Start command
(X000)
SVST instruction
Axis 2 start accept flag
(M2002)
Axis 3 start accept flag
(M2003)
(4) Servo program
The servo program No. 310 for fixed-pitch feed control using 2-axes linear
interpolation is shown below.
<K 310>
FEED-2
Axis 2,
Axis 3,
Speed
(5) Sequence program
The sequence program which runs the servo program is shown below.
V
10000
Fixed-pitch feed control using 2 axes linear
500000
Interpolation
⋅ Axis used
300000
10000
⋅ Travel value
Positioning speed
PLS
SET
SVST J1J2J3
RST
7 − 56
Servo program No.11
Axis 2, Axis 3
Axis 2
Axis 3
10000
Turns ON PLC ready.
M2000
Turns ON all axes servo start
M2042
command.
Turns ON servo program No.320
M320
start command flag (M321) when
X000 turns OFF ON.
M321
K Servo program No.320 execution
320
request.
Turns OFF M321 on completion
M321
of sarvo program No.320 execution
request.
t
500000
300000