Omron M1 Series User Manual page 769

Event name Overcurrent Protection (During Deceleration)
Meaning Overcurrent occurred during deceleration.
Source EtherCAT Master Function Mod-
ule
Error attrib- Level
utes
Effects User program
Indicators EtherCAT NET RUN
---
System-de- Variable
fined varia-
None
bles
Cause and Assumed cause
correction
(1) The inverter output is short-
circuited.
(2) There is a ground fault on the
inverter output.
M1 Series EtherCAT Type User's Manual (I670)
Source details Slave
Minor fault Recovery
Continues. Operation
EtherCAT NET ERR
---
Data type
None
Correction
Disconnect the wires from the in-
verter output terminals (U, V, and
W) and measure the phase-to-
phase resistance of the motor
wires. Check that there are no
wires with extremely low phase-
to-phase resistance.
→ Remove the short-circuit.
(This includes wire, relay termi-
nal, and motor replacement.)
If overcurrent is indicated when
the inverter is operating with the
wires disconnected from the in-
verter output terminals (U, V, and
W)
→ There is a possibility of an in-
verter failure.
Disconnect the wires from the in-
verter output terminals (U, V, and
W) and perform a megger test.
→ Remove the ground fault.
(This includes wire, relay termi-
nal, and motor replacement.)
If overcurrent is indicated when
the inverter is operating with the
wires disconnected from the in-
verter output terminals (U, V, and
W)
→ There is a possibility of an in-
verter failure.
Event code 087A0000 hex
Detection tim-
ing
Error reset Log category
Motor stops.
EtherCAT LINK/ACT
---
Name
None
Prevention
Confirm that the motor cables
are not broken and connect them
correctly.
Confirm that the motor cables
are not broken and connect them
correctly.
Appendices
Continuously
System log
A
A-223