Allen-Bradley FLEX I/O 1794-IP4, Руководство пользователя, Страница: 65 / 70

Publication 1794-6.5.16 – September 1998
Numbers
1794-IJ2, troubleshoot, 7–1
A
adapter input status word, 5–1, 6–3
applications, typical, 1–4
B
bit/word definitions, block transfer write, 4–4
bit/Word descriptions, 4–4
bit/word descriptions, block transfer read,
4–3, 5–4, 6–6
block transfer
read, 1–3
write, 1–3
block transfer programming
PLC-2 family processor, 3–2
PLC-5 family processor, 3–2
block transfer read, 3–1, 4–2
word assignments, 4–3, 5–4
block transfer write, 3–1
bit/word assignments, 4–4
word assignments, 4–4, 5–4
C
CIOs. See ControlNet I/O Transfer
instructions
clock frequency, select, 1–5
communication, block transfers, 3–1
compatible terminal bases, 2–9
configurable features, 4–1
connecting wiring, 2–9
considerations, pre–installation, 2–1
ControlNet I/O
unscheduled non-discrete I/O data
transfer, 6–2
unscheduled operations
ladder-rung messages, 6–2
messaging from programming devices,
6–2
peer-to-peer messaging, 6–2
ControlNet I/O Transfer (CIO) instructions,
6–2
curent draw, through base units, 2–2
D
daisy–chaining wiring, 2–3
default values, 5–7
DeviceNetManager, software, 5–1
DIN rail mounting, 2–4
E
European Union Directive compliance, 2–1
F
frequency input module
how it works, 1–3
input capabilities, 1–4
typical applications, 1–4
using, 1–1
I
I/O, ControlNet
unscheduled non-discrete I/O data
transfer, 6–2
unscheduled operations
messaging from programming devices,
6–2
non-discrete I/O data transfer, 6–2
peer-to-peer messaging, 6–2
I/O module fault, 5–2
indicators
states, 2–14
status, 2–14
troubleshooting, 7–1
input mapping, 4–2, 5–3, 6–6
input status word, 5–2, 6–3
installation, module, 2–7
K
keyswitch positions, 2–7
L
ladder-rung messaging, 6–2
Index
Allen-Bradley HMIs