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9 Troubleshooting and Maintenance
9-32
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
54AA 0000 hex
Protocol
Macro Error
An error occurred in
the protocol macro.
•
Sequence No. Error: An unreg-
istered number was specified
for SeqNo (communications
sequence number) of the
ExecPMCR instruction (no indi-
cators light).
•
Data read/write area exceeded
error: The specified area range
was exceeded when data was
written to or read from the CPU
Unit. (The ERC indicator and
ERR/ALM indicator will flash.)
•
Protocol data syntax error:
There was a code that cannot
be executed during protocol
execution. (The ERC indicator
and ERR/ALM indicator will
flash.)
•
The total of the areas speci-
fied for link words O1, O2, I1,
and I2 exceeded 500 words.
•
The same link word is used
by both ports 1 and 2.
•
Writing was specified with a
constant.
•
Interrupt notification was
specified for a Serial Commu-
nications Unit.
•
Thirty one or more items
were set for the write attribute
data for one message.
•
A length of 0 bytes was speci-
fied for a message that was
sent or received.
•
The length of a message to
be sent or received exceeds
the maximum send/receive
bytes.
•
A message is not registered
for matrix reception.
•
The transmission control is
set to both RTS/CTS flow
control and Xon/Xoff flow
control.
√
64A0 0000 hex
Tfs (Send
Finished
Monitoring
Time)
Exceeded
The time required
to complete a send
operation exceeded
the Send Finished
Monitoring Time.
•
Noise
•
The monitor time is shorter than
the actual completion time.
√
64A1 0000 hex
Tfr (Receive
Finished
Monitoring
Time)
Exceeded
The time required
to complete a
reception operation
exceeded the
Receive Finished
Monitoring Time.
•
Noise
•
The monitoring time is shorter
than the actual completion time.
√
64A2 0000 hex
Tr (Receive
Wait Monitor-
ing Time)
Exceeded
The receive waiting
time exceeded the
Receive Wait Moni-
toring Time.
•
Noise
•
The monitoring time is shorter
than the actual completion time.
√
Event code
Event name
Meaning
Assumed cause
Level
Reference
Maj
Prt
Min
Obs
Info
Содержание CJ1W-SCU22
Страница 192: ...4 Using Protocol Macros 4 56 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 250: ...6 No protocol Mode 6 22 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 460: ...A Standard System Protocol R 126 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 473: ...Index 1 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494 I Index...