Attribute
ID
Parameter name Description
Attrib-
ute
Read/write data
Data
type
Value
0D hex
*1
HC Media Counters Media counters for the com-
munications port.
Read Struct ---
HCStatsAlignmentEr-
rors
The number of frames re-
ceived that were not octets in
length. This counter is the 64-
bit edition of Alignment Er-
rors.
ULINT Reads the current value.
HCStatsFCSErrors The number of frames re-
ceived that did not pass the
FCS check. This counter is
the 64-bit edition of FCS Er-
rors.
ULINT Reads the current value.
HCStatsInternalMac-
T
ransmitErrors
The number of frames that
failed to be sent due to an in-
ternal MAC sublayer trans-
mission error. This counter is
the 64-bit edition of MAC
Transmit Errors.
ULINT Reads the current value.
HCStatsFrameToo-
Longs
The number of frames re-
ceived that exceeded the
maximum allowed frame size.
This counter is the 64-bit edi-
tion of Frame T
oo Long.
ULINT Reads the current value.
HCStatsInternalMa-
cReceiveErrors
The number of frames that
could not be received through
the interface due to an inter-
nal MAC sublayer reception
error
. This counter is the 64-
bit edition of MAC Receive
Errors.
ULINT Reads the current value.
HCStatsMacSymbolEr-
rors
The number of frames that
could not be received through
the interface due to an inter-
nal MAC sublayer rsymbol er-
ror
.
ULINT Reads the current value.
*1. A CPU Unit with unit version 1.13 or later is required to use this attribute.
1. Interface Flag Details
Bit Name Description
0 LinkStatus FALSE: The link is down. TRUE: The link is up.
1 Half/FullDuplex FALSE: Half duplex TRUE: Full duplex
2 to 4 Negotiation Status 00 hex: Auto-negotiation is in progress.
01 hex: Auto-negotiation and speed detection failed.
02 hex: Auto-negotiation failed, but speed detection succeeded.
03 hex: Speed and duplex mode negotiation succeeded.
04 hex: Auto-negotiation was not attempted.
5 Manual Setting Requires
Speed
Always FALSE: Changes can be applied automatically.
6 Local Hardware Fault Always FALSE
8 CIP Message Communications
8-80
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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