Programs For Forward/Reverse Rotation (Step Ladder (Stl) Program; 12.3.1 Example Program - Mitsubishi Electric FX3S Series User Manual

FX /FX /FX
3S 3G 3GC
Built-in Positioning Functions
12.3

Programs for Forward/Reverse Rotation (Step Ladder (STL) Program)

12.3.1 Example Program

Positioning operation will be performed using the absolute positioning method as shown in the following chart:
The following program uses the step ladder (STL) instruction.
X020
Immediate stop
X014
Servo ready
X026
Forward rotation limit (NC contact)
X027
Reverse rotation limit (NC contact)
M8000
RUN monitor
M8000
RUN monitor
S0
Zero
return
*1.
B - 168
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/FX /FX PLC User's Manual - Positioning Control Edition
3U 3UC
Origin
*1
*1
S10 S11 S12
JOG JOG Positioning
(+) (-) in forward
rotation
direction
Change contacts in the program to NO contacts when using NO contact type limit switches.
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12.3 Programs for Forward/Reverse Rotation (Step Ladder (STL) Program)
For details on input/output assignment, refer to Section 12.1.
500,000
Output pulse frequency:
100,000 Hz
100
Acceleration/deceleration time:
100 ms
RST
RST
RST
FNC 12
H0020
MOVP
S13 M8349
Positioning in Stoppage of Y0
reverse pulse
rotation outputting
direction operation
12 Examples of Programs
Stops outputting Y000 pulses.
(Immediate stop) Refer to
M8349
Section 4.7.2.
Resets the "zero return
M10
completion" flag.
Resets the "forward rotation
M12
positioning completion" flag.
Resets the "reverse rotation
M13
positioning completion" flag.
M8343 Forward limit (Y000)
M8344
Reverse limit (Y000)
Enables the zero return
operation with CLEAR signal
D8464
outputting function. (CLEAR
signal: Y020)
M8464
M8341
Performs zero return in the
M8342
forward rotation direction.
M5
Operation is stopped.