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MELSEC-Q
15 TROUBLESHOOTING
Classification
of errors
Error
code
Error name Error Operation status at error occurrence
960
S-pattern ratio
setting error
The set range of the detailed
parameter 2 "S-pattern ratio" is outside
the setting range.
961
Illegal sudden stop
deceleration time
The set range of the detailed
parameter 2 "Sudden stop deceleration
time" is outside the setting range.
962
Stop group 1 sudden
stop selection error
The set range 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 range 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 range 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 range of the detailed
parameter 2 "Allowance circular
interpolation error width" is outside the
setting range.
967
External command
function selection
error
The set range of the detailed
parameter 2 "External command
function selection" is outside the
setting range.
At start: The system will 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.)
970
Restart allowable
range error
The set range of the detailed
parameter 2 " Restart allowable value
setting range of the servo ON to OFF"
is outside the setting range.
The QD75 READY complete flag is
not turned ON.
971
Speed control 10 x
multiplier setting for
degree axis setting
error
The set range of the detailed
parameter 2 "Speed control 10 x
multiplier setting for degree axis
setting" is outside the setting range.
980
Home position return
(OPR) method error
The set range of the home position
return (OPR) basic parameter " Home
position return (OPR) method" is
outside the setting range.
981
Home position return
(OPR) direction error
The set range of the home position
return (OPR) basic parameter " Home
position return (OPR) direction" is
outside the setting range.
Parameter
setting range
errors
982
Home position (OP)
address setting error
The set range of the home position
return (OPR) basic parameter "Home
position (OP) address" is outside the
setting range.
The QD75 READY signal (X0) is not
turned ON.