68
Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Chapter 4
Install the Module
Figure 35 - 4-wire Current Sensor (SIL 2)
Figure 36 - 2-wire Current (4…20 mA) Sensor (SIL 3)
Guidelines for Wiring Safety Analog Inputs on page 65
.
FE
V0
V1
V2
V3
I0
I1
I2
I3
COM
COM
COM
COM
COM
COM
COM
COM
S0
S1
S2
S3
S0
S1
S2
S3
Signal Return and Common are at the same potential.
SIL 2
4-wire
Sensor
1734-TOP3 Terminal Bases
Signal (I)
+24V
Cable Shield
Signal Return
Common
V0
V1
V2
V3
I0
I1
I2
I3
COM
COM
COM
COM
S0
FE
S1
S2
S3
FE
Field sensors are monitoring the same signal in a redundant configuration.
You must configure a safety deadband between the two signals to achieve SIL 3.
SIL 2
2-wire
Sensor
1734-TB Terminal Bases
Signal (I)
+24V
Cable Shield
Cable Shield
+24V
SIL 2
2-wire
Sensor
Signal (I)
Содержание Allen-Bradley 1734-IB8S
Страница 1: ...POINT Guard I O Safety Modules Catalog Numbers 1734 IB8S 1734 OB8S 1734 IE4S User Manual ...
Страница 4: ...4 Rockwell Automation Publication 1734 UM013J EN P July 2014 Summary of Changes Notes ...
Страница 10: ...10 Rockwell Automation Publication 1734 UM013J EN P July 2014 Table of Contents ...
Страница 14: ...14 Rockwell Automation Publication 1734 UM013J EN P July 2014 Preface Notes ...
Страница 22: ...22 Rockwell Automation Publication 1734 UM013J EN P July 2014 Chapter 1 POINT Guard I O Overview Notes ...
Страница 150: ...150 Rockwell Automation Publication 1734 UM013J EN P July 2014 Chapter 8 Replacing POINTGuard I O Modules Notes ...
Страница 180: ...180 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix C Specifications Notes ...
Страница 186: ...186 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix D Safety Data Notes ...
Страница 190: ...190 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix E Configuration Parameters Notes ...
Страница 204: ...204 Rockwell Automation Publication 1734 UM013J EN P July 2014 Appendix G History of Changes Notes ...
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