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Chapter 16 Troubleshooting
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
Parameter
setting range
errors
957
JOG acceleration time
selection setting error
The set value of the detailed parameter 2
"JOG operation acceleration time selection"
is outside the setting range.
When the PLC READY signal [Y0] is turned
from OFF to ON : The READY signal [X0] is
not turned ON.
At start : The system does not
operate.
During operation : The system stops with the
setting (deceleration
stop/sudden stop) of the
detailed parameter 2
sudden stop selection
(stop group 3).
(Note that the deceleration
stop only occurs during the
manual pulse generator
operation.)
958
JOG deceleration time
selection setting error
The set value of the detailed parameter 2
"JOG operation deceleration time selection"
is outside the setting range.
959
Acceleration/
deceleration process
selection setting error
The set value of the detailed parameter 2
"Acceleration/deceleration process
selection" is outside the setting range.
960
S-curve ratio setting
error
The set value of the detailed parameter 2
"S-curve ratio" is outside the setting range.
961
Illegal sudden stop
deceleration time
The set value of the detailed parameter 2
"Sudden stop deceleration time" is outside
the setting range.
962
Stop group 1 sudden
stop selection error
The set value of the detailed parameter 2
"Stop group 1 sudden stop selection" is
outside the setting range.
963
Stop group 2 sudden
stop selection error
The set value of the detailed parameter 2
"Stop group 2 sudden stop selection" is
outside the setting range.
964
Stop group 3 sudden
stop selection error
The set value of the detailed parameter 2
"Stop group 3 sudden stop selection" is
outside the setting range.
966
Outside allowance
circular interpolation
error width
The set value of the detailed parameter 2
"Allowance circular interpolation error
width" is outside the setting range.
967
External command
function selection error
The set value of the detailed parameter 2
"External command function selection" is
outside the setting range.
970
Restart allowable range
error
The set value of the detailed parameter 2
"Restart allowable range when servo OFF
to ON" is outside the setting range.
The READY signal [X0] is not turned ON.
971
Speed control 10 x
multiplier setting for
degree axis error
The set value of the detailed parameter 2
"Speed control 10 x multiplier setting for
degree axis" is outside the setting range.
972
Number of master axis
error
Number of axes set for the master axis in
servo parameter "Driver communication
setting (PD15)" exceed the setting range.
973 Master axis No. error
Servo parameters "Driver communication
setting Master axis No. selection (1 to 4) for
slave (PD20 to PD23)" are set the self axis.
974
Master axis setting
error
Not setting the master axis in Servo
parameters "Driver communication setting
Master axis No. selection (1 to 4) for slave
(PD20 to PD23) ".
975
Driver communication
setting error
• Setting the driver communication to servo
amplifier which does not support the
driver communication.
• The driver communication setting is
different in the module and the servo
amplifier.
The communication between servo amplifiers
of target axis is not executed.
(The servo amplifier's LED display remains
"Ab".)