Event name Packet Discarded Due to Full Reception Buffer Event code 85D40000 hex
Meaning A packet drop occurred.
Source X Bus Ethernet Function Module Source details 1 to 4: Mounting
position of the X
Bus Unit (unit
number)
and
communications
port 1/
communications
port 2
are given
in combination
Detection tim-
ing
After link is es-
tablished
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues. Operation Not affected.
Indicators Ethernet NET RUN Ethernet NET ERR Ethernet LINK/ACT
--- --- ---
Device variable Variable Data type Name
None --- ---
Cause and cor-
rection
Assumed cause Correction Prevention
Network congestion occurred. The load on the network is too
high. Check whether there are no-
des that send unnecessary broad-
cast frames on the network and re-
move them. After that, check that
the received number of frames has
reduced in the network statistical
information.
Make sure that unnecessary
broadcast frames are not sent on
the network.
Do not connect the Ethernet cable
in a loop.
Attached infor-
mation
None
Precautions/
Remarks
None
14 Troubleshooting
14-25
NX-series EtherNet/IP Unit User's Manual (W627)
14-4 Checking with the Sysmac Studio, an HMI, and Instructions That Read Error
Status
14
14-4-4 Error Details