Omron NY532-5400 Troubleshooting Manual page 595

Event name Access Detected Outside Range of Variable
Meaning Accessing a value that is out of range was detected for a tag variable that is used in a tag data link.
EtherNet/IP Function Module
Source
Error attributes Level
Effects User program
NET RUN
Status
---
System- Variable
defined
None
variables
Assumed cause
An out-of-range value was written
by an EtherNet/IP tag data link for
Cause and
a variable with a specified range.
correction
A value that does not specify an
enumerator was written by an
EtherNet/IP tag data link for an
enumeration variable.
Attached None
information
• Write operations for out-of-range values or values that do not specify enumerators do not end normally.
Precautions/
Remarks
• Write operations for in-range values or values that specify enumerators end normally.
Event name Packet Discarded Due to Full Reception Buffer
Meaning A packet was discarded.
EtherNet/IP Function Module
Source
Error attri-
Level
butes
Effects User program
NET RUN
Status
---
System- Variable
defined
None
variables
Assumed cause
A network convergence occurred. The load on the network is too high.
Cause and
correction
Attached None
information
Precautions/ None
Remarks
NY-series Troubleshooting Manual (W564)
Source details
Observation Recovery
Continues. Operation
NET ERR
---
Data type
---
Correction
Correct the value that is written to
the variable with a specified
range so that the value is in the
range. Correct the value that is
written to the enumeration vari-
able so that the value specifies an
enumerator.
Source details
Observation
Recovery
Continues. Operation
NET ERR
---
Data type
---
Correction
Check whether there are nodes that
send unnecessary broadcast frames
on the network and remove them.
After that, check that the received
number of frames has reduced in the
network statistical information.
3 Error Descriptions and Corrections
Event code 54E0 0000 hex
Communica- Detection
tions port timing
--- Log category
Not affected.
LINK
---
Name
---
Prevention
Write values that are in range for
variables with specified ranges.
Write values that specify enumer-
ators to enumeration variables.
Event code 84050000 hex
Communica- Detection
tions port 1 timing
---
Log category
Not affected.
LINK
---
Name
---
Prevention
Make sure that unnecessary
broadcast frames are not sent on
the network. Do not connect the
Ethernet cable in a loop.
When variable
is written
System
3
After link is
established
System
3-519