Omron NX701-17 Series Troubleshooting Manual page 43

Operation in the Function Module Where an Error Event Occurred
Function
module
PLC Function
Module
NX Bus Function
Module
Motion Control
Function Module
EtherCAT Master
Function Module
EtherNet/IP Func-
tion Module
NJ/NX-series Troubleshooting Manual (W503)
Major fault level Partial fault level
User program execution ---
stops.
--- I/O refreshing for NX
bus communications
stops.
(NX Unit operation
depends on the NX
Unit settings.)
--- All axes stop. (The
stop method depends
on the error.)
--- EtherCAT communi-
cations stop. (The
slaves operate
according to the set-
tings in the slaves.)
--- EtherNet/IP commu-
nications stop.
(Online connections
to the Sysmac Studio
and communications
connections with an
HMI is not possible.)
1 Overview of Errors
Level of current event
Minor fault level
Operation continues.
Operation continues. If
an NX Unit error occurs,
operation depends on
the fail-soft operation
settings.
• The affected
axes/axes group
stops. (The stop
method depends on
the settings.)
• The motion control
instruction is not exe-
cuted (for instructions
related to axis opera-
tion.)
I/O refreshing for Ether-
CAT communications
stops or continues
according to the fail-soft
operation settings in the
master. (If I/O refreshing
stops, the slaves oper-
ate according to the set-
tings in the slaves.)
Part of EtherNet/IP com-
munications stop.
(Online connections to
the Sysmac Studio and
communications con-
nections with an HMI is
possible if the online
connections or commu-
nications connection is
not the cause of the
error.)
Observation
Operation contin-
ues.
1
• Axis operation
continues.
• The motion con-
trol instruction is
not executed (for
instructions not
related to axis
operation).
I/O refreshing for
EtherCAT commu-
nications contin-
ues.
EtherNet/IP com-
munications con-
tinue.
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