Omron NY532-5400 Troubleshooting Manual page 399

Event code Event name
74350000 hex Latch Posi-
tion Under-
flow
74360000 hex Master Sync
Direction
Error
74370000 hex Slave Dis-
connection
during Servo
ON
74380000 hex Feed Dis-
tance Over-
flow
74390000 hex Error in
Changing
Servo Drive
Control Mode
NY-series Troubleshooting Manual (W564)
Meaning Assumed cause
An underflow • An underflow occurred for the
occurred for the latched position for the
latched position for MC_TouchProbe (Enable
the MC_Touch- External Latch) instruction.
Probe (Enable
External Latch)
instruction.
The master axis • The master axis continued to
continued to move move in the direction opposite
in the direction to the sync direction of the mas-
opposite to the sync ter and slave axes, resulting in
direction. an overflow.
One of the following One of the following occurred
occurred while the while the Servo was ON for the
Servo was ON for EtherCAT slave or NX Unit that is
the EtherCAT slave allocated to an axis.
or NX Unit that is
• Disconnection or replacement
allocated to an axis.
• Disablement
• Disconnection or
• Restart of the NX bus on the
replacement
NX-series CPU Unit
• Disablement
• Restart of the NX
bus on the NX-
series CPU Unit
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 MC_Move- Feeding) instruction exceeded
Feed (Interrupt the range of signed 40-bit data
Feeding) instruc- when converted to pulses.
tion overflowed or
underflowed.
Changing the Con- • When the MC_SyncMoveVe-
trol Mode was not locity instruction was stopped,
completed within the actual current velocity was
the specified time. 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 1S-series
Servo Drive or G5-series Servo
Drive, the actual current veloc-
ity was not reduced to 10% or
less of the maximum velocity
within 10 seconds for three
consecutive periods when the
MC_TorqueControl instruction
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.
3 Error Descriptions and Corrections
Level
Maj Prt Min Obs Info
S
S
S
S
S
Reference
page 3-376
page 3-376
page 3-377
3
page 3-377
page 3-378
3-323