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Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers User Manual

Page 373

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Publication 1785-UM012D-EN-P - July 2005

Index 3

I/O status file

6-7

main control programs

16-4

PII

18-5

pointtopoint

10-6

processorresident rack

5-4

remote I/O adapter channel

7-2, 7-3

remote I/O scanner channel

6-6

serial port

10-2, 10-6

startup procedure

14-3

STI

17-3

connections

Ethernet

G-9

control bits

14-3

controller documentation

A-1

controller specifications

A-1

controlling outputs

15-3

conversion instructions

D-15

cooling

3-1

counter instructions

D-4

D

daisy chain

6-5, 9-2

data block

4-11

data file

addressing

4-13

range of values

4-15

read/write privileges

12-5

types of addressing

4-16

unused

4-12

data storage

bit

4-11

concepts

4-10

data block

4-11

files

4-11

member

4-11

structure

4-11

type

4-11

userdefined

4-11

words

4-11

data table

file defaults

4-13

memory per file

4-12

data transfer

6-11

blocktransfer

8-6

effects of blocktransfer on discrete data

7-15

extendedlocal I/O

8-4

I/O backplane transfer time

C-6

I/O transfer time

C-6

system design

C-10

types

1-12

data type

valid values

4-15

delay

due to online editing

C-4

density

I/O modules

2-2

design tip

addressing and placing extendedlocal I/O

8-2

addressing extendedlocal I/O racks

8-3

assigning privileges

12-3

assigning racks

4-8

assigning remote I/O rack numbers

4-9

blocktransfer programming

6-19

DH+ link design

9-17

editing the scan list for multiple

rackupdates

6-10

extendedlocal I/O link design

8-2

global status flag file

9-6

group data

4-12

guidelines for PIIs

18-4

guidelines for writing STI programs

17-1

optimizing instruction execution time

4-22

optimizing processor memory

4-22

organizing files

4-12

placing blocktransfer modules

5-3

placing extendedlocal I/O modules

8-4

program design tips

C-13

programming considerations for

extendedlocal I/O

8-8

remote I/O cable design

6-5

remote I/O link

6-4

RS232, 422A, and 423 cable lengths

10-5

split global status flags files across

channels

C-5

using blocktransfers in STIs

17-2

writing PII programs

18-2

devices

DH+ link

9-2

extendedlocal I/O

8-1

maximum

6-4

remote I/O

6-2

serial

10-1

DF1 master

communication

10-3

configuring

10-12

polling scheme

10-16