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9 Troubleshooting and Maintenance
9-20
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
The following table shows the measures to correct the errors indicated by the ExecPMCR instruction
output variable ErrorIDEx (Communications Response Code).
Remedy for Each
ErrorIDEx
Code
Value
Error details
Remedy
16#00001106
The SeqNo values are the communica-
tions sequence numbers that are not reg-
istered.
Correct the communications sequence number or add a
sequence by using CX-Protocol.
16#00002201
This instruction is being executed. TRUE
corresponds to the value for Busy.
Add an N.C. for *_P1(orP2)_PmrExecSta (Protocol Macro
Executing Flag).
16#00002202
Execution is not possible because the
protocol is being switched.
Add an N.C. for _CJB_SCU**P1ChgSta (Serial Communi-
cations Unit **, Port1 Settings Changing Flag)
16#00002401
A SUM error occurred with the protocol
macro data, or the data is being trans-
ferred.
Use CX-Protocol to transfer the correct protocol macro
(communications sequence) data.