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Classification
Error
Error name
of errors
code
Driver communication
975
setting error
Manual pulse
generator/Incremental
976
synchronous encoder
input type selection
error
Operation setting for
977
speed-torque control
mode error
External command
978
signal selection error
ABS synchronous
979
encoder unsupported
Parameter
error
setting range
980
OPR method error
errors
981
OPR direction error
OP address setting
982
error
983
OPR speed error
984
Creep speed error
985
OPR retry error
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 set value of the detailed parameter 2
"Manual pulse generator/Incremental
synchronous encoder input type selection"
is outside the setting range.
The set value of the detailed parameter 2
"Operation setting for speed-torque control
mode" is outside the setting range.
The set value of the detailed parameter 2
"External command signal selection" is
outside the setting range.
"Servo series" of the axis which uses the
ABS synchronous encoder is other than "3:
MR-J3- BS".
The set value of the OPR basic parameter
" OPR method" is outside the setting range.
The set value of the OPR basic parameter
"OPR direction" is outside the setting
range.
The set value of the OPR basic parameter
"OP address" is outside the setting range.
• The set value of the OPR basic
parameter "OPR speed" is outside the
setting range.
• The set value of the OPR basic
parameter "OPR speed" is smaller than
the bias speed at start.
• The set value of the OPR basic
parameter "Creep speed" is outside the
setting range.
• The set value of the OPR basic
parameter "Creep speed" is larger than
the OPR speed.
• The set value of the OPR basic
parameter "Creep speed" is smaller than
the bias speed at start.
The set value of the OPR basic parameter
" OPR retry" is outside the setting range.
16 - 44
Chapter 16 Troubleshooting
Operation status at error occurrence
The communication between servo amplifiers
of target axis is not executed.
(The servo amplifier's LED display remains
"Ab".)
The QD77 READY signal [X0] is not turned
ON.
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