Mitsubishi FREQROL-SFJ - Data Parity; Transfer Error

Cause
Power supply capa-
city insufficient
_ ---
-_.~--
Trouble with card
SFJ-CA1
Checkup
Check if AC input supply
(R, S, T) goes down below
17OV.
Remedy
Use power supply
of larger capa-
city (refer to
the Specifics-
tion).
Operate FR-SFJ
with limited
torque and reduc-
ed output.
___ _ ._. ..__ __---- .-..-
-
.-
j-
Make sure the same alarm is
{Replace the card
reproducible and then replacei SFJ-CAl.
the card SFJ-CA1 in use with ~
F
I a new one to check.
Trouble with control
unit
I
i
If the same alarm occurs
Replace the con-
again even when a new card
trol unit.
SFJ-CA1 is used, the control :
unit is likely to be defec-
tive.
(11) DATA PARITY and TRANSFER ERROR
DATA PARITY
TRANSFER ERROR
These alarms appear if parity error occurs, or data are
not transferred correctly in data communcation between
M300 series CNC and FR-SFJ.
I
1
Cause
I
Checkup
!
Remedy
Connector engaged
1 Cable connector is not en-
i%gage connector
,I
loosely
1 gaged securely or connector
1 securely and
/ mounting screw is loose.
I
1 tighten all
I
---- .~_ _.-+__
i screws.
-_-.__ .-
--. _---_-.-_-_--.___&____ ._ ___.
__
Trouble with term-
i Check if
this alarm occurs
:Replace the term-
inal resistor
on the servo axis when spin-
inal resistor.
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