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6 - module control and status word, Chapter 6, Module control and status word – Rockwell Automation 1747-BSN Backup Scanner Module User Manual

Page 97: Chapter

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Publication 1747-UM010B-EN-P - September 2003

Chapter

6

Module Control and Status Word

The addresses M0:s.400 through M0:s.3499 and M1:s.3400 through
M1:s.3499 are used for status and control exchange between the
SLC 5/0x and the 1747-BSN. This item contains the initial definition for
these words. The table below shows the address allocation for these
words.

Control Word Description

M0 Address

Start

End

Reserved

3400

3409

Data Transfer Control Word - DTCW

3410

3410

Data Transfer Handshake Word - DTHW

3411

3411

Reserved

3412

3499

Status Word Description

M1 Address

Start

End

System Status Word - SSW

3400

3400

Module Status Word - MSW

3401

3401

Switch Assemblies Status Word - SASW

3402

3402

Reserved

3403

3409

Data Transfer Status Word - DTSW

3410

3410

Reserved

3411

3419

Module Status Counters

3420

3426

Reserved

3427

3429

Data Block Counters

3430

3445

Reserved

3446

3499