Creation Of Test Program - Mitsubishi MELSEC-F FX3U Series User Manual

FX /FX Series PLC User's Manual - Positioning Control Edition
3U 3UC
Built-in Positioning Function
5.2

Creation of Test Program

1. Input/output assignment
Inputs/outputs are assigned as shown in the following table:
Limit switch
Manual switch
"Pulse train" signal or "forward rotation pulse train" signal (output specified for pulse output
destination)
"Direction" signal or "reverse rotation pulse train" signal (output specified for rotation
direction signal)
2. Setting of related devices
The related devices depend on the pulse output destination device set for the positioning instruction. If the
pulse output destination device set for the positioning instruction is changed, it is necessary to change the
related devices.
Setting item
Items related to speed
Maximum speed
Bias speed
Acceleration time
Deceleration time
Forward/reverse rotation speed
Forward limit, reverse limit, and immediate stop of pulse output
Forward limit
Reverse limit
Status check items
Positioning (Y000)
"Instruction execution abnormal
end" flag
Current value register (Y000)
Signal
Forward rotation limit 1
Reverse rotation limit 1
Forward rotation (JOG+)
Reverse rotation (JOG-)
→ For setting items of the related devices, refer to Subsection 4.5.1.
Description of setting
100,000Hz
0Hz
100ms
100ms
30,000Hz
If X010 is turned off (if the NC contact is
turned on), the limit switch will be
activated.
If X011 is turned off (if the NC contact is
turned on), the limit switch will be
activated.
Use this device to check whether the
positioning instruction is being
activated.
Use this device to check whether or not
the forward/reverse rotation limit switch
turns ON.
Stores the current value of the
positioning operation in Y000.
5 Operation Test
5.2 Creation of Test Program
Input/output number
NC contact X010
NC contact X011
NO contact X012
NO contact X013
Y000
Y004
Related Setting value or
device condition
D8344,D8343
K100000 Initial value
(32-bit)
D8342 K0 Initial value
D8348 K100 Initial value
D8349 K100 Initial value
- K30000
M8343 ON: If X010 = OFF
M8344 ON: If X011 = OFF
Turns on when
M8348 positioning instruction is
activated.
Turns on when the limit
switch is activated
M8329
during positioning
operation.
D8340,D8241 Varies when positioning
(32-bit) instruction turns ON.
A
B
Apx.
-
B - 73