Mitsubishi Electric A173UHCPU Programming Manual page 212

7. POSITIONING CONTROL
[Program Example]
This program conducts speed control (II) under the conditions below.
(1) System configuration
Speed control (II) of Axis 3.
A61P A273UH A278
LX
CPU
MR- -B MR- -B MR- -B MR- -B
Axis Axis
M
1 2
(2) Speed control (II) conditions
(a) The speed control (II) conditions are shown below.
Item
Servo program number
Controlled axis
Control speed
Rotation direction
(b) Speed control (II) start command ....... leading edge of X000
(c) Speed control (II) stop command ....... trailing edge of X000
(3) Operation timing
The operation timing for speed control (II) 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 3 start accept flag
(M2003)
Stop command (M3240)
A61P AX41
Start/stop command (X000)
Axis
Axis
M
4
3
Setting
No. 55
Axis 3
4000
Forward
(OFF → ON)
(ON → OFF)
V
4000
7 − 65
Speed control by
servo program No.55
Stop command
received
t