Omron NJ Series Troubleshooting Manual page 113

Event code Event name
74380000 hex Feed Dis-
tance Over-
flow
74390000 hex Error in
Changing
Servo Drive
Control Mode
743A0000 hex Master Axis
Position
Read Error
743B0000 hex Auxiliary Axis
Position
Read Error
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
The target position • The target position after the
after the interrupt interrupt input was received for
input was received the MC_MoveFeed (Interrupt
for the Feeding) instruction exceeded
MC_MoveFeed the range of signed 40-bit data
(Interrupt Feeding) when converted to pulses.
instruction over-
flowed or under-
flowed.
Changing the Con- • When the
trol Mode was not MC_SyncMoveVelocity instruc-
completed within tion was stopped, the actual
the specified time. current velocity was not
reduced to 10% or less of the
maximum velocity within 10
seconds for three consecutive
periods after a command veloc-
ity of 0 was output.
• For an OMRON G5-series
Servo Drive, the actual current
velocity was not reduced to
10% or less of the maximum
velocity within 10 seconds for
three consecutive periods when
the MC_TorqueControl instruc-
tion was stopped.
• Changing the Control Mode of
the Servo Drive between CSP,
CSV, and CST was not com-
pleted within one second after
the command was executed.
The synchronized • EtherCAT process data com-
instruction was not munications are not established
executed because for the master axis of the syn-
an error occurred in chronized instruction or the I/O
the position of the data of the NX Unit cannot be
master axis of the used for control.
synchronized
• The slave of the master axis for
instruction.
the synchronized instruction
was disconnected or disabled.
• An Absolute Encoder Current
Position Calculation Failed error
(6458000 hex) was detected for
the master axis of a synchro-
nized instruction.
• The master axis for the syn-
chronized instruction is an
unused axis.
The synchronized • EtherCAT process data com-
instruction was not munications are not established
executed because for the auxiliary axis of the syn-
an error occurred in chronized instruction or the I/O
the position of the data of the NX Unit cannot be
auxiliary axis of the used for control.
synchronized
• The slave of the auxiliary axis
instruction.
for the synchronized instruction
was disconnected or disabled.
• An Absolute Encoder Current
Position Calculation Failed error
(6458000 hex) was detected for
the auxiliary axis of a synchro-
nized instruction.
• The auxiliary axis for the syn-
chronized instruction is an
unused axis.
3 Error Tables
Level
Maj Prt Min Obs Info
S NJ-series
CPU Unit
Motion Con-
trol User's
Manual (Cat.
No. W507)
S Same as
above.
S Same as
above.
S Same as
above.
Reference
3
3-51