Mitsubishi QJ71C24/-R2 User Manual page 172

7 DATA COMMUNICATIONS USING 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 9.)
(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 storage area
H
400 Transmission data count designation area
H
401
H
to
Transmission data designation area
5FF
H
)
H
MELSEC-Q
7 - 21