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Allen-Bradley 1794-IT8 - Page 7

Allen-Bradley 1794-IT8
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Table of Contents iii
Publication
1794-6.5.7
Calibrating Y
our Thermocouple/mV Module using DeviceNetManager
Software (Cat. No. 1787-MGR)
6–9
. . . . . . . . . . . . . . . . . . . . . . . .
Offset
Calibration
6–9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gain
Calibration
6–1
1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A
Specifications
A–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derating Curve
A–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Resolution Curves for Thermocouples
A–3
. . . . . . . . . . . . . . . . . . . .
Type
B Thermocouple
A–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type
E Thermocouple
A–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type
C Thermocouple
A–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type J Thermocouple
A–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type
K Thermocouple
A–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type
R Thermocouple
A–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type
S Thermocouple
A–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type
T Thermocouple
A–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type
N Thermocouple
A–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Worst Case Accuracy for the Thermocouple/mV Module
A–7
. . . . . . .
Error
Due to Open Circuit Current Through Loop Resistance
A–8
. . . .
Worst
Case Repeatability for the Thermocouple/mV Input Module
A–8
Appendix B
General
B–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B
(Platinum – 30% Rhodium vs Platinum – 6% Rhodium) T
ype
Thermocouples
B–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E (Nickel–Chromium vs Copper–Nickel <Constantan*>) Type
Thermocouple
B–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J (Iron vs Copper–Nickel <Constantan*>) T
ype Thermocouple
B–2
. . .
K (Nickel–Chromium vs Nickel–Aluminum) T
ype Thermocouple
B–4
. .
R
(Platinum–13% Rhodium vs Platinum) and
S (Platinum–10% Rhodium vs Platinum) T
ype Thermocouples
B–5
T (Copper vs Copper–Nickel <Constantan*>) T
ype Thermocouple
B–5
Specifications
Thermocouple Restrictions
(Extracted from NBS
Monograph 125 (IPTS–68))

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