Rosemount 3491 - Page 72

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Reference Manual

00809-0100-4841, Rev. AA

May 2007

Rosemount 3490 Series

4-40

Figure 4-28. Navigating to the

RELAY Screen

The SELECT INSTRUMENT menu is skipped automatically if there are no HART transmitters.

(Model 3491 screens shown.)

Main Page

Table of Contents5
Manual Overview10
Service Support11
Introduction to the 3490 Series13
- Summary of Features13
- Two Mounting Options13
- Transmitter Input14
- Control Functionality14
- Front Panel14
Control Unit Functions15
- Standard Functions (Models 3491/3492/3493)15
- Difference, Sum and Product Functions (Model 3492)15
- Logging Functions (Model 3493)15
Control Unit Front Panel16
- Keypad16
- Display17
- Status LED18
Safety Messages19
Before You Install20
- General Considerations20
Mounting the Rosemount 3490 Series Control Unit21
- Mounting the IP-Rated Wall Mount Models21
- Mounting the NEMA 4X-Rated Wall Mount Models21
- Mounting Panel Models22
Electrical Installation24
- Electrical Connections on Wall Mount Models24
- Electrical Connections on Panel Mount Model26
- Transmitter Connections and Cabling27
- Connecting HART Transmitters to 349228
- Power Connections29
- Earthing Connections29
- Relay Connections30
- Current Output Connections30
- Digital Control Voltage Free Contact Inputs30
- RS232 Connections31
Safety Messages33
Switching on34
- Switching on the 3491/349334
- Switching-On the 349235
The Hierarchical Menu System36
- How to Navigate the Menu System36
- About Parameter Screens38
Programming40
- Before You Begin40
- Comfort (System) Settings43
- Transmitter Inputs44
- To the 349044
- Profile Calculations for Contents and Flow Applications55
- Digital Inputs IN1 and IN265
- Logging (3493 Only)66
- Current Output70
- Relays71
- About Alarms91
- About Totalising on Model 349194
- About Totalising on Model 349296
- About Totalising on Model 349397
- Totalising Examples100
- Primary Display Options104
- Serial Communications106
- PIN Security107
SECTION 5 Safety Messages109
Safety Messages109
Servicing110
Health Checks110
- Health Check: 3490 Series Control Unit110
- Checks Health Checks110
- Health Check: Rosemount 3102/3105 Series Transmitters116
APPENDIX A Specifications119
Specifications119
Dimensional Drawings121
Ordering Information124
- Model Code 3491, Standard Control Unit124
- Model Code 3492, Differential Control Unit125
- Model Code 3493, Logging Control Unit126
APPENDIX B Safety Messages127
Safety Messages127
European Directive Information128
Hazardous Locations Certifications129
- ATEX Approvals129
- Underwriters Laboratories Inc. (UL) Approvals129
- Canadian Standards Association (CSA) Approvals130
- Iecex Approvals130
Approval Drawings131
Menus and Parameters135
- APPENDIX C Restoring the Factory Defaults145
- How to Restore the Factory Default Settings145
- Appendix D146
DIRECT Menu Screen146
APPENDIX E Support for HART149
Overview149
Fully Supported Transmitters149
Universal and Common Practice Commands149
- Universal Commands149
- Common Practice Commands150

Rosemount 3491 - Page 72

Table of Contents