Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 352

Troubleshooting
Response Received from Remote Device but Error Remains
Board/Unit Serial com-
status munica-
tions mode
A normal The serial
FINS end communica-
code is tions mode
returned is set to
from the Serial Gate-
remote way or pro-
device, but tocol macro
there is no mode.
response
data after
the end
code.
A response
was
received
from the
remote
device after
a response
timeout error
was
received for
a converted
command
that was
sent to the
remote
device.
A FINS error
end code
was
returned to
the FINS
transmis-
sion source.
Error conditions
Indicator FINS end
display code sent
to FINS
transmis-
sion source
The RD@/ 0000 hex
SD@ and
COM@ indi-
cators all
flash.
0205 hex
(response
timeout),
etc.
0206 hex
(transmis-
sion error)
Other FINS
error end
code
Cause
Words allo-
cated in
CIO Area
--- The FINS command
requires a
response, but the
command after con-
version does not
require a response
(e.g., broadcasting)
Bit 05 of CIO A Serial Gateway
word n+8/ response timeout
n+18 (Serial occurred, but the
Gateway response data was
send start received normally
timeout or after the timeout.
Serial Gate- This is a result of
way the Serial Gateway
response response timeout
timeout) is monitoring time set-
ON. ting in DM Area
word m+7/m+17
being too short.
CIO word Either of the follow-
n+8/n+18 bit ing errors occurred
07 (FCS in the protocol after
check error) conversion.
or bit 02 Conversion to Com-
(parity error) poWay/F com-
is ON. mand: BCC error or
parity error
Conversion to Mod-
bus-RTU command:
CRC error or parity
error
Conversion to Mod-
bus-ASCII com-
mand: CRC error or
checksum error
Conversion to Host
Link FINS com-
mand: FCS error or
parity error
--- The Serial Gate-
way was executed,
but the FINS error
completion
occurred.
Section 11-3
Remedy
Check the specifications of
the command to be con-
verted.
Set a longer time for the
Serial Gateway response
timeout monitoring time in
DM Area word m+7/m+17.
Use shielded twisted-pair
cables.
Lay power lines separately
using ducts.
Increase the number of
resends at the FINS trans-
mission source.
Perform communications
retry as required.
Perform error processing
based on the following
table of FINS end codes.
323