Operation In The Function Module Where An Error Event Occurred; I/O Operation For Major Fault Level Controller Errors - Omron NJ501-1 Series User Manual

5 Troubleshooting
 Operation in the Function Module Where an Error Event Occurred
Function module
Major fault level
PLC Function User program execu-
Module tion stops.
All axes stop. (The stop
method depends on the
error.)
Motion Control
Function Module
I/O refreshing for Ether-
CAT communications
stops. (The slaves
operate according to
EtherCAT Master the settings in the
Function Module slaves.)
Part of the EtherNet/IP
communications stop.
(Online connections to
the Sysmac Studio and
communications con-
EtherNet/IP
nections with NS-series
Function Module
PTs are possible. (Out-
put (produce) tags in
the tag data links oper-
ate according to the tag
set settings.)
 I/O Operation for Major Fault Level Controller Errors
The following table gives the operation of the CPU Unit and the I/O devices for the following errors.
• Unsupported Unit Detected
• I/O Bus Check Error
• End Cover Missing
• Incorrect Unit/Expansion Rack Connection
• Duplicate Unit Number
• Too Many I/O Points
• I/O Setting Check Error
Unit
*1
EtherCAT slave
Servo Drive or NX Unit assigned to
an axis
5-6
Event level
Partial fault level
--- Operation continues.
All axes stop. (The stop • The affected
method depends on the axis/axes group
error.) stops. (The stop
method depends on
the settings.)
• The motion control
instructions that are
related to axis opera-
tion are not executed.
EtherCAT communica- I/O refreshing for Ether-
tions stop. (The slaves CAT communications
operate according to stops or continues
the settings in the according to the fail-soft
slaves.) operation settings in
the master. (If I/O
refreshing stops, the
slaves operate accord-
ing to the settings in the
slaves.)
EtherNet/IP communi- Part of the EtherNet/IP
cations stop. (The Sys- communications stop.
mac Studio and NS- (It is possible to con-
series PT cannot con- nect communications
nect communications.) when the Sysmac Stu-
dio or NS-series PT
communications con-
nection is not the cause
of the error.)
CPU Unit operation
The slave is placed in the Safe-
Operational state.
Updating the command values is
stopped.
NJ-series CPU Unit Hardware User's Manual (W500)
Minor fault level Observation
• Axis operation contin-
ues.
• The motion control
instructions that are
not related to axis
operation are not
executed.
I/O refreshing for Ether-
CAT communications
continues.
EtherNet/IP communi-
cations continue.
Unit or slave operation
Depends on the slave settings.
All axes stop immediately.
*2