Attribute
ID
Parameter name Description
Attrib-
ute
Read/write data
Data
type
Value
05 hex Media Counters Media counters for the com-
munications port.
Read Struct ---
Alignment Errors Number of frames received
that were not octets in length.
UDINT Reads the current value.
FCS Errors Number of frames received
that did not pass the FCS
check.
UDINT Reads the current value.
Single Collisions Number of frames sent suc-
cessfully with only one colli-
sion.
UDINT Reads the current value.
Multiple Collisions Number of frames sent suc-
cessfully with two or more
collisions.
UDINT Reads the current value.
SQE Test Errors Number of times a SQE test
error message was generat-
ed.
UDINT Reads the current value.
Deferred Transmis-
sions
The number of frames for
which the first attempt to send
was delayed because the me-
dia was busy
.
UDINT Reads the current value.
Late Collisions The number of collisions de-
tected in packets that were
sent after 512 bit times.
UDINT Reads the current value.
Excessive Collisions The number of frames that
failed to be sent because of
excessive collisions.
UDINT Reads the current value.
MAC Transmit Errors The number of frames that
failed to be sent due to an in-
ternal MAC sublayer trans-
mission error
.
UDINT Reads the current value.
Carrier Sense Errors The number of times the car-
rier sense condition was lost
or the number of times an as-
sertion did not occur when an
attempt was made to send
the frame.
UDINT Reads the current value.
Frame Too Long The number of frames re-
ceived that exceeded the
maximum allowed frame size.
UDINT Reads the current value.
MAC Receive Errors The number of frames that
could not be received through
the interface due to an inter-
nal MAC sublayer reception
error
.
UDINT Reads the current value.
8 CIP Message Communications
8-78
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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