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7
DATA COMMUNICATION USING THE BIDIRECTIONAL PROTOCOL
For normal completion
D 0
Interface number
D 1
Transmission result
D 2
Transmission data count
D11
to
Transmission data
D15
For abnormal completion
D 0
Interface number
D 1
Transmission result
(other than 0000
D 2
Transmission data count
D11
to
Transmission data
D15
7 - 21
(0001
)
H
(0000
)
H
(0005
)
H
(4241
)
H
to
(0A0D
)
H
(0001
)
H
From buffer memory (address 257
)
H
(0005
)
H
(4241
)
H
to
(0A0D
)
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.
Q series C24
Address
Buffer memory
257
Data transmission result
H
400
Transmission data count designation
H
401
H
to
Transmission data designation
5FF
H
)
H
MELSEC-Q
7 - 21
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