Adapter mode block transfer i/o – Rockwell Automation 1756-RIO ControlLogix Remote I/O Communication Interface Module User Manual User Manual

Page 152

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152

Publication 1756-UM534B-EN-P - November 2010

Appendix B Adapter Mode I/O Map

Adapter Mode Block Transfer I/O

Offset Word 0

BT Read

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Offset Words 2-

n

BTW Data

BTW Data (64 integers, max)

Offset Word 1

BT Write

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

BTR Error

BTR Update Counter

Block T

ransf

er

Read Err

o

r

BTW Update Counter

BTW Error

Block T

ransf

er

W

rit

e Err

o

r

Reserved

Reserved

I/O Rack

BT Read Structure - Input

0 1 2 3 4 5 6 7 8 9...

BTR

Block Transfer Write Data

1st

16-bit

Word

BTW

BT Write Structure - Output

0 1 2 3 4 5 6 7 8 9...

Reserved

Block Transfer Read Data Up To 64 Words

1st

16-bit

Word

I

O

I

I

I

I

I

I

I

O

O

O

O

O

O

O

0 1 2 3 4 5 6 7

Group

Group

Group

Group

1/4

Partial Rack

1/4

Partial Rack

1/4

Partial Rack

1/4

Partial Rack

Offset 0

Reserved Word

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Offset 2-

n

BTR Data

BTR Data (64 integers, max)

Offset 1

Reserved Word

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Reserved

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Reserved

Mapped as ControlLogix input data for active and monitored racks.

Mapped as ControlLogix input data for monitored racks.
Mapped as ControlLogix output data for active racks.

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