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Allen-Bradley 1756 User Manual
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Rockwell Automation Publica
tion 1756-RM011A-EN-P -
June 2016
9
Replacement Considerations
Chapter
1
Wiring without 1492 Analog Interface Modules
I
f you
r existi
ng system does not already u
se 1492 products t
hen you m
ust
replac
e and rewire yo
ur existing R
TB
. Se
e
Appendix B, R
T
B Wiring
for
examples of conv
ertin
g from the
existing 6 ch
annel R
T
B to the new 8 chan
nel
RT
B
.
8
10
Table of Contents
Default Chapter
3
Table of Contents
3
Additional Resources
5
Integrated Architecture Tools
5
Migration Services
5
Overview
5
Preface
5
6- and 8-Channel Modules
7
Chapter 1
7
Product Comparison
7
Wiring
8
Wiring with 1492 Analog Interface Modules
8
Wiring Without 1492 Analog Interface Modules
9
Chapter 2 Emulation Mode Overview
11
Emulation Mode Differences
13
Input Ranges
13
Output Ranges
13
Backplane Power
15
Chapter 3 Current Draw
15
Calibration
16
RPI and RTS Values of 6-Channel Versus 8-Channel Modules
16
RPI and RTS Values of 6- Channel Vs. 8- Channel Modules
16
Cold Junction Compensation on Thermocouple Modules
17
Using an External Loop Supply with the 1756-IF6CIS Module
17
Using an External Loop Supply with the 1756-IF6CIS
17
All 1756-IF6CIS Channels Are Supplying Loop Power
18
One or more 1756-IF6CIS Channels Use External Loop Supply
18
Updating the Firmware
21
Chapter 4
22
Communication Format Support between 6- and 8- Channel Modules
22
Modules
22
Electronic Keying
22
CST Time Stamp Data and Rolling Time Stamp
23
CIP Generic Messages
23
Communication Formats
24
1756-IF8I Communication Formats
24
1756-IRT8I Communication Formats
24
1756-OF8I Communication Formats
25
Configuration
25
Tag Structures
25
Rslogix 5000 Version Support
25
EDS Updates for Rslinx Software
26
Module Info Tab
26
EDS Updates for Rslinx
26
Chapter 5 Status Indicators
27
Status Indicators for the 1756-IF8I Module
27
Status Indicators for the 1756-IRT8I Module
28
Status Indicators for the 1756-OF8I Module
28
Appendix A 1756-IF6I to 1756-IF8I Voltage Mode
29
1756-IF6I to 1756-IF8I Current Mode
30
1756-IF6CIS to 1756-IF8I Modules Provide Loop Power
31
1756-IF6CIS to 1756-IF8I User Supplied Loop Power
32
1756-IR6I to 1756-IRT8I 3-Wire RTD
33
1756-IR6I to 1756-IRT8I 4-Wire RTD
34
1756-IT6I to 1756-IRT8I TC or MV
35
1756-IT6I2 to 1756-IRT8I TC or MV
36
1756-OF6VI to 1756-OF8I Voltage Mode
37
1756-OF6CI to 1756-OF8I Current Mode
38
Index
39
Rockwell Automation Publication 1756-RM011A-EN-P - June
40
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Allen-Bradley 1756 Specifications
General
Brand
Allen-Bradley
Model
1756
Category
Control Unit
Language
English
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