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1747-6.22, Backup Scanner User Manual

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Chapter 6<br />

Module Control and Status Word<br />

The addresses M0:s.400 through M0:s.3499 and M1:s.3400 through<br />

M1:s.3499 are used for status and control exchange between the SLC<br />

5/0x and the <strong>1747</strong>-BSN. This item contains the initial definition for<br />

these words. The table below shows the address allocation for these<br />

words.<br />

Control Word Description M0 Address<br />

Start End<br />

Reserved 3400 3409<br />

Data Transfer Control Word - DTCW 3410 3410<br />

Data Transfer Handshake Word - DTHW 3411 3411<br />

Reserved 3412 3499<br />

Status Word Description M1 Address<br />

Start End<br />

System Status Word - SSW 3400 3400<br />

Module Status Word - MSW 3401 3401<br />

Switch Assemblies Status Word - SASW 3402 3402<br />

Reserved 3403 3409<br />

Data Transfer Status Word - DTSW 3410 3410<br />

Reserved 3411 3419<br />

Module Status Counters 3420 3426<br />

Reserved 3427 3429<br />

Data Block Counters 3430 3445<br />

Reserved 3446 3499<br />

Publication <strong>1747</strong>-<strong>6.22</strong>

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