Allen-Bradley PLC-5 User Manual page 373

6-7
I/O status file
main control programs
18-5
PII
10-6
pointtopoint
processorresident rack
remote I/O adapter channel
remote I/O scanner channel
10-2, 10-6
serial port
14-3
startup procedure
17-3
STI
connections
G-9
Ethernet
14-3
control bits
controller documentation
controller specifications
15-3
controlling outputs
conversion instructions
3-1
cooling
D-4
counter instructions
D
6-5, 9-2
daisy chain
4-11
data block
data file
4-13
addressing
4-15
range of values
12-5
read/write privileges
4-16
types of addressing
4-12
unused
data storage
4-11
bit
4-10
concepts
4-11
data block
4-11
files
4-11
member
4-11
structure
4-11
type
4-11
userdefined
4-11
words
data table
4-13
file defaults
4-12
memory per file
6-11
data transfer
8-6
blocktransfer
effects of blocktransfer on discrete data
7-15
8-4
extendedlocal I/O
I/O backplane transfer time
C-6
I/O transfer time
16-4
data type
5-4
delay
7-2, 7-3
6-6
density
design tip
A-1
A-1
D-15
devices
DF1 master
C-6
C-10
system design
1-12
types
4-15
valid values
C-4
due to online editing
2-2
I/O modules
addressing and placing extendedlocal I/O
8-2
addressing extendedlocal I/O racks
12-3
assigning privileges
4-8
assigning racks
assigning remote I/O rack numbers
blocktransfer programming
9-17
DH+ link design
editing the scan list for multiple
6-10
rackupdates
extendedlocal I/O link design
9-6
global status flag file
4-12
group data
18-4
guidelines for PIIs
guidelines for writing STI programs
optimizing instruction execution time
4-22
optimizing processor memory
4-12
organizing files
placing blocktransfer modules
placing extendedlocal I/O modules
C-13
program design tips
programming considerations for
extendedlocal I/O
6-5
remote I/O cable design
6-4
remote I/O link
RS232, 422A, and 423 cable lengths
10-5
split global status flags files across
C-5
channels
using blocktransfers in STIs
18-2
writing PII programs
9-2
DH+ link
8-1
extendedlocal I/O
6-4
maximum
6-2
remote I/O
10-1
serial
10-3
communication
10-12
configuring
10-16
polling scheme
Publication 1785-UM012D-EN-P - July 2005
Index 3
8-3
4-9
6-19
8-2
17-1
4-22
5-3
8-4
8-8
17-2