Rockwell-automation 20-COMM-R Remote I/O Adapter Manual de usuario Pagina 50

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4-14 Using Discrete and Block Transfer I/O
20-COMM-R Remote I/O Adapter User Manual
Publication 20COMM-UM004D-EN-P
Figure 4.8 ControlLogix Example Ladder Logic for Block Transfer I/O Write
See Figure 4.3 for the Block Transfer I/O image.
Tag Name Type
DriveReference INT
DriveBTOutputImage INT[18]
DriveDatalinA1In INT
DriveDatalinkA2In INT
DriveLogicCommand INT
The20CommR:O AB:RIO_4IOGROUP:O:0
IOBlockTransferWrite MESSAGE
Place the desired Reference in the block transfer output structure.
0
Copy File
Source DriveReference
Dest DriveBTOutputImage[0]
Length 1
COP
Place the desired Datalink A input values into the block transfer output structure. Add similar rungs to use Datalinks B, C, and D.
1
Copy File
Source DriveDatalinkA1In
Dest DriveBTOutputImage[2]
Length 1
COP
2
Copy File
Source DriveDatalinkA2In
Dest DriveBTOutputImage[4]
Length 1
COP
3
Send the desired Reference and Datalink inputs to the drive.
/
IOBlockTransferWrite.EN
EN
DN
ER
Type - Block Transfer Write
Message Control IOBlockTransferWrite
...
MSG
(End)
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