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Rockwell Automation 1747-BSN Backup Scanner Module User Manual

Page 7

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Publication 1747-UM010B-EN-P - September 2003

Table of Contents iii

M0 File - Remote Output Reset Control . . . . . . . . . . . . . . . 5-19

Example of Remote Output Reset Control . . . . . . . . . . . 5-20
Device Reset and Remote Output Reset Considerations
From This Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20

M1 Status File Description . . . . . . . . . . . . . . . . . . . . . . . . . 5-23

General Communication Status - Enable
Device Fault Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
General Communication Status - Communication
Attempted Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
RIO Baud Rate Status . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Logical Device Starting Address Status . . . . . . . . . . . . . 5-24
Logical Device Image Size Status . . . . . . . . . . . . . . . . . 5-25
Active Device Status. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26
Logical Device Fault Status . . . . . . . . . . . . . . . . . . . . . . 5-27
RIO Status Example . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
RIO Communication Retry Counter (M1:e.16 - 47) . . . . . 5-30

Understanding Slot Addressing . . . . . . . . . . . . . . . . . . . . . 5-32
SLC/Scanner Configuration Using HHT . . . . . . . . . . . . . . . 5-33

Chapter 6

Module Control and Status Word

System Status Word. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Module Status Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Transferring Data over the High-Speed Serial Link (HSSL). . 6-5
Data Transfer Control Word. . . . . . . . . . . . . . . . . . . . . . . . 6-6
Data Transfer Status Word . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Data Transfer Handshake Word . . . . . . . . . . . . . . . . . . . . . 6-8
Switch Assemblies Status Word . . . . . . . . . . . . . . . . . . . . . 6-13
Module Status Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
Data Block Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15

Chapter 7

RIO Block Transfer

RIO Block Transfer Theory of Operation . . . . . . . . . . . . . . 7-1

What Is RIO Block Transfer?. . . . . . . . . . . . . . . . . . . . . 7-1

RIO Block Transfer General Functional Overview. . . . . . . . 7-5

Scanner I/O Image Allocation For Block Transfer . . . . . 7-6
Examples of BT I/O Image File Allocation . . . . . . . . . . 7-7

Using Block Transfer Instructions (BTR and BTW) . . . . . . . 7-9

RIO Block Transfer General Functional Overview . . . . . 7-10
Parameters for BTR and BTW . . . . . . . . . . . . . . . . . . . . 7-11
Control Status Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
Instruction Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Programming Examples . . . . . . . . . . . . . . . . . . . . . . . . 7-17
Comparison to the PLC-5 BTR and BTW . . . . . . . . . . . . 7-21