Mitsubishi Electric FX3U SERIES - Creation of Test Program

5 Operation Test
5.2 Creation of Test Program
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FX 3S /FX 3G /FX 3GC /FX 3U /FX 3UC PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
5.2 Creation of Test Program
1. Input/output assignment
Inputs/outputs are assigned as shown in the following table:
2. Setting of related devices
The following related devices depend on the pulse output destination device that is set for the positioning
instruction. If the pulse output destination device is changed, it is necessary to change the related devices.
For setting items of the related devices, refer to Subsection 4.5.1.
Signal Input/output number
Limit switch
Forward rotation limit 1 NC contact X010
Reverse rotation limit 1 NC contact X011
Manual switch
Forward rotation (JOG+) NO contact X012
Reverse rotation (JOG-) NO contact X013
"Pulse train" signal or "forward rotation pulse train" signal (output specified for pulse output
destination)
Y000
"Direction" signal or "reverse rotation pulse train" signal (output specified for rotation
direction signal)
Y004
Setting item Description of setting
Related
device
Setting value or
condition
Items related to speed
Maximum speed 100,000Hz
D8344,D8343
(32-bit)
K100000 Initial value
Bias speed 0Hz D8342 K0 Initial value
Acceleration time 100ms D8348 K100 Initial value
Deceleration time 100ms D8349 K100 Initial value
Forward/reverse rotation speed 30,000Hz - K30000 -
Forward limit, reverse limit, and immediate stop of pulse output
Forward limit
If X010 is turned off (if the NC contact is
turned on), the limit switch will be
activated.
M8343 ON: If X010 = OFF
Reverse limit
If X011 is turned off (if the NC contact is
turned on), the limit switch will be
activated.
M8344 ON: If X011 = OFF
Status check items
Positioning (Y000)
Use this device to check whether the
positioning instruction is being
activated.
M8348
Turns on when the
positioning instruction is
activated.
"Instruction execution abnormal
end" flag
Use this device to check whether or not
the forward/reverse rotation limit switch
turns ON.
M8329
Turns on when the limit
switch is activated
during a positioning
operation.
Current value register (Y000)
Stores the current value of the
positioning operation in Y000.
D8341,D8340
(32-bit)
Varies when a positioning
instruction turns ON.
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