Appendix C: Differences with FX2N-1PG
Appendix C-3 Differences in Operation
135
FX3U-1PG User's Manual
11
Troubleshooting
A
Version
Information
B
Example
Connection
C
Differeces with
FX
2N
-1PG
Variable speed operation
Change point FX3U-1PG FX2N-1PG Replacement point
Operation when the operation
speed I starts at a speed
lower than the bias speed
The FX3U-1PG does not output
pulses.
The READY flag (BFM#28 b0) turns
OFF.
The motor operates at the bias speed.
(The motor operates at 10 Hz if the
bias speed is set to "0".)
Change the sequence program so
that the operation speed I at the
beginning is set to the bias speed.
Operation when the operation
speed I is changed to a
speed lower than the bias
speed
The FX3U-1PG stops the pulse output.
The READY flag (BFM #28 b0)
remains OFF.
The motor operates at the bias speed.
(The motor operates at 10 Hz if the
bias speed is set to "0".)
Change the sequence program so
that the operation speed I is changed
to the bias speed.
Operation when the STOP is
set from ON to OFF while the
operation command remains
ON
The motor restarts the operation when
the STOP signal is set to OFF.
The motor does not restart the
operation even if the STOP signal is
set to OFF.
Confirm that no problem is expected
in the system when the operation is
restarted by setting the STOP signal
to OFF.
Change the sequence program as
needed so that the motor is stopped
by the STOP signal, the operation
command is set to OFF, and then the
STOP signal is set to OFF.
Speed
Time
Operation
speed I
Variable speed
operation
(BFM#25 b12)
OFF
ON
STOP (BFM#25 b1
or STOP terminal)
ON
Speed
Time
OFF
ON
ON
Operation
speed I
Variable speed
operation
(BFM#25 b12)
STOP
(BFM#25 b1)
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