Mitsubishi MELSEC LJ71C24, User Manual

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12 DEDICATED INSTRUCTIONS
[Operation during execution of a BIDOUT instruction]
BIDOUT instruction
Execution of BIDOUT
instruction
Completion of transmission by
a BIDOUT
ON
ON
OFF
OFF
END
processing
END
processing END
processing END
processing
Sequence
program
Completion device
Status display device
at completion
Abnormal
completion
Normal
completion
One scan
Error
(1) When a dedicated instruction is completed, the abnormal completion signal (D)+1,
turns on and the error code is stored in the transmission result (S1)+1.
In case of operation errors, Error flag (SM0) turns on and the error code is stored
in SD0.
Refer to the following according to the error code, and check and correct the error.
<Error code>
4FFF
H
or less: MELSEC-L CPU Module User's Manual (Hardware Design,
Maintenance and Inspection)
7000
H
or later: Section 15.2
Program example
The following example shows a program that sends any data stored in D11 to D15
using the bidirectional protocol.
When the input/output signals of the C24 are from X/Y00 to X/Y1F: