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MELSEC-Q
7 DATA COMMUNICATION USING THE BIDIRECTIONAL PROTOCOL
Interface number
Transmission result
Transmission data count
Transmission data
(0001
H
)
(0000
H
)
(0005
H
)
D 0
D 1
D 2
D11
D15
For normal completion
From buffer memory (address 257
H
)
Buffer memory
Data transmission result
Transmission data count designation
Transmission data designation
Address
257
H
400
H
401
H
5FF
H
Q series C24
(4241
H
)
(0A0D
H
)
(0001
H
)
(0005
H
)
D 0
D 1
D 2
D11
D15
(4241
H
)
(0A0D
H
)
For abnormal completion
Interface number
Transmission result
Transmission data count
Transmission data
to
to
to
to
to
(other than 0000
H
)
POINT
(1) The SPBUSY instruction is used to read the execution status when using a
dedicated instruction. (See Chapter 10.)
(2) More than one BIDOUT instruction cannot be executed simultaneously.
Execute the next BIDOUT instruction only after the execution of the first
BIDOUT instruction is completed.
Summary of Contents for MELSEC QJ71C24
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Page 177: ...6 33 6 33 MELSEC Q 6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL MEMO ...
Page 397: ...App 24 App 24 MELSEC Q APPENDIXES Connection example 3 Connection example 4 ...
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