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MELSEC-
A
14 TROUBLESHOOTING
Division of
error
Error
code
Error name Description Action at occurrence of error
Parameter
900
Outside unit
setting range
The setting range of “unit setting” in basic
parameter 1 is out of the setting range.
The D75P2 READY signal [RXn0] is not turned
OFF.
901
No. of pulses per
rotation setting
error
The setting range of “number of pulses per
rotation” in basic parameter 1 is out of the
setting range.
902
Movement
amount per
rotation setting
error
The setting range of “movement amount per
rotation” in basic parameter 1 is out of the
setting range.
903
Unit
magnification
setting error
The setting range of “unit magnification” in
basic parameter 1 is out of the setting range.
904
Pulse output
mode error
The setting range of “pulse output mode” in
basic parameter 1 is out of the setting range.
905
Rotation direction
setting error
The setting range of “rotation direction setting”
in basic parameter 1 is out of the setting range.
910
Outside speed
limit value range
The setting range of “speed limit value” in basic
parameter 2 is out of the setting range.
At power-on or when the remote station
READY signal [RX(n+7)B] is turned ON: The
D75P2 READY signal [RXn0] is not turned ON.
At start: Operation does not start.
911
Outside
acceleration time
range
The setting range of “acceleration time 0” in
basic parameter 2 is out of the setting range.
912
Outside
deceleration time
range
The setting range of “deceleration time 0” in
basic parameter 2 is out of the setting range.
913
Outside bias
speed range
The setting range of “bias speed at start” in
basic parameter 2 is out of the setting range.
921
Software stroke
limit upper limit
The “software stroke limit upper limit value”
setting in detail parameter 1 is out of the
setting range with “degree” unit.
The software stroke limit upper limit value is
smaller than the software stroke limit lower
limit value with a unit other than “degree”.
The D75P2 READY signal [RXn0] is not turned
OFF.