Allen-Bradley 1794-IT8, User Manual

Page: 71 / 76

Publication 1794-6.5.7
Numbers
1794-TB3 example, thermocouple
connection, 2–7
A
accuracy, worst case, A–7
adapter input status word, 5–1
B
bit/word description, thermocouple module,
1794-IT8, 4–5, 5–4
block transfer
read, 1–2
write, 1–2
block transfer programming, 3–1
block transfer read, 4–4
1794-IT8, 4–4, 5–3
block transfer write
1794-IT8, 4–5, 5–4
configuration block, 1794-IT8, 4–5, 5–4
input range selection, 4–2
C
calibration
gain, 6–8
manual, 6–4
offset, 6–7
periodic, 6–1
preparation, 6–4
setups, 6–6
tools, 6–2
types of, 6–1
using decade box, 6–6
using DeviceNetManager, 6–9
using resistors, 6–6
calibration flow chart, 6–5
calibration words, 6–7
cold junction compensators, 1–3
cold junction connection wiring, 2–6
communication, between module and
adapter, 1–2
compatible terminal bases, 2–5
configurable features, 4–1
connecting CJC, 2–6
connecting wiring, 2–5, 6–6
considerations, pre–installation, 2–1
curent draw, through base units, 2–2
curve
derating, A–2
supply voltage vs. ambient temperature,
A–2
curves, resolution, A–3
D
daisy–chaining wiring, 2–3
default values, 5–7
derating curve, A–2
DeviceNetManager, software, 5–1
DeviceNetManager software, 6–9
E
example
thermocouple/1794-TB3, 2–7
thermocouple/1794-TB3T, 2–7
F
features, of the module, 1–3
first notch filter, 4–3
flow chart, calibration, 6–5
G
gain calibration, 6–8
using DeviceNetManager, 6–11
I
I/O module fault, 5–2
indicators
states, 2–8
status, 2–8
input ranges, 4–2
input scaling, 4–2
input status word, 5–2
installation, module, 2–4
Index