9 Troubleshooting
9 - 8
NX-series Communications Interface Units User’s Manual (W540)
85400000 hex Data Dis-
carded Due
to
Full Inter-
nal Buffer
The internal buf-
fer is full. The
inpu
t data is dis-
carded.
• If the internal buffer for received
data i
s
full, the Controller cannot
read the received data.
If the internal buffer for transmis-
sion data is full, the transmission
data was to
o large
or there are
too many send requests.
S U
P. 9-16
80220000 hex NX Mes-
sage Com-
munications
E
rror
An error was
detected in mes-
sage communica-
tions and the
me
ssage frame
was discarded.
Fo
r the NX bus of CPU Units
• The message communications
load
i
s high.
For Communications Coupler Units
• The message communications
load i
s high.
• The communications cable is
disconn
ected or broken
.
• Message communications were
cuto
ff in communications.
S
P. 9-17
85410000 hex Parity Error A parity error
occurred.
• The communications settings
and baud rate se
tting do not
agree with those of the remote
device.
•Noise
U S
P. 9-18
85420000 hex Framing
E
rror
A framing error
occurred.
• The communications settings
and baud rate setting do not
agree with those of the remote
device.
•Noise
U S
P. 9-18
85430000 hex Overrun
E
rror
An overrun error
occurred.
• The next data was received
during processing of received
data because the baud rate is
too high.
U S
P. 9-19
90400000 hex Event Log
Cleare
d
T
he event log was
cleared.
• The event log was cleared by the
user.
S
P. 9-19
Event code
Event
name
Meaning Assumed cause
Level
Refer-
ence
Maj Prt Min Obs Info
To Next Page
Loading...
Need help?
General
