Troubleshooting - RKC INSTRUMENT CB100 Instruction Manual

6. TROUBLESHOOTING

The causes of and measures to be used for faulty controller status during communication are
described in the following. For trouble other than the below, contact us or your nearest RKC agent
after confirming Model No. and specifications.
Details
Trouble with and imperfect contact of
communication cable
No Incorrect communication speed
response
Device address designation differs
Incorrect data construction
Transmission line is not set to the
receive state after data send
Incorrect identifier
EOT return
The identifier of a function not added to
the controller is specified
BCC error
NAK return Data exceeds the setting range
The identifier of a function not added to
the controller is specified
34
Cause Measures
Check communication cables and
connectors.
Set the communication speed suitable for
the host computer by referring to "3.4
Communication speed setting" (P. 9).
Make reassignment after checking the
device address by referring to "3.3
Device address setting" (P. 7).
Make reassignment after checking the
data construction by referring to "3.5
Data construction setting" (P. 11).
Check a program on the host computer
side.
Make re-setting after checking the
identifier by referring to
"!Communication identifier list"
(P. 28).
Check BCC of the transmission data.
Check a data range.
Make re-setting after checking the
identifier by referring to
"!Communication identifier list"
(P. 28).
IMCB03-E3