Rosemount 3491 User manual

www.rosemount.com
Reference Manual
00809-0100-4841, Rev. AA
May 2007
Rosemount 3490 Series
Universal Control Unit

Reference Manual
00809-0100-4841, Rev. AA
May 2007 Rosemount 3490 Series
www.rosemount.com
Rosemount 3490 Series
Universal Control Unit
Rosemount and the Rosemount logotype are registered trademarks of Rosemount Inc.
HART is a registered trademark of the HART Communication Foundation.
NOTICE
Read this manual before working with the product. For personal and system safety, and for
optimum product performance, make sure you thoroughly understand the contents before
installing, using, or maintaining this product.
Within the United States, Rosemount Inc. has two toll-free assistance numbers.
Customer Central: 1-800-999-9307(7:00 a.m. to 7:00 p.m. CST)
Technical support, quoting, and order-related questions.
North American Response Center:
Equipment service needs.
1-800-654-7768 (24 hours a day – Includes Canada)
For equipment service or support needs outside the United States, contact your local
Rosemount representative.
The products described in this document are NOT designed for nuclear-qualified
applications.
Using non-nuclear qualified products in applications that require nuclear-qualified hardware
or products may cause inaccurate readings.
For information on Rosemount nuclear-qualified products, contact your local Rosemount
Sales Representative.
This device complies with part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation.

Reference Manual
00809-0100-4841, Rev. AA
May 2007 Rosemount 3490 Series
www.rosemount.com
Table of Contents
SECTION 1
Introduction
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Manual Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Service Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
SECTION 2
Overview
Introduction To The 3490 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Summary of Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Two mounting options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Transmitter input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Control functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Control Unit Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Standard functions (Models 3491/3492/3493) . . . . . . . . . . . . . . . . 2-3
Difference, sum and product functions (Model 3492). . . . . . . . . . . 2-3
Logging functions (Model 3493) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Control Unit Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
SECTION 3
Installation
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Before You Install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
General considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Mounting the Rosemount 3490 Series Control Unit . . . . . . . . . . . . . . 3-3
Mounting the IP-rated Wall Mount Models . . . . . . . . . . . . . . . . . . . 3-3
Mounting the
NEMA 4X-rated Wall Mount Models. . . . . . . . . . . . . . . . . . . . . . . . 3-3
Mounting Panel Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Electrical installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Electrical Connections on Wall Mount Models . . . . . . . . . . . . . . . . 3-6
Electrical connections on Panel Mount Model . . . . . . . . . . . . . . . . 3-8
Transmitter Connections and Cabling . . . . . . . . . . . . . . . . . . . . . . 3-9
Connecting HART Transmitters to 3492. . . . . . . . . . . . . . . . . . . . 3-10
Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Earthing Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Relay Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Current Output Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Digital Control Voltage free Contact Inputs . . . . . . . . . . . . . . . . . 3-12
RS232 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
SECTION 4
Getting started
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Switching on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Switching on the 3491/3493 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Switching-on the 3492 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Reference Manual
00809-0100-4841, Rev. AA
May 2007
Rosemount 3490 Series
1-2
The Hierarchical menu system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
How to navigate the menu system . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
About parameter screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Comfort (system) settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Transmitter inputs
to the 3490 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Profile Calculations for Contents and Flow Applications . . . . . . . 4-23
Digital Inputs IN1 and IN2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-33
Logging (3493 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
Current Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38
Relays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
About Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-59
About Totalising On Model 3491 . . . . . . . . . . . . . . . . . . . . . . . . . 4-62
About Totalising on Model 3492 . . . . . . . . . . . . . . . . . . . . . . . . . . 4-63
About Totalising on Model 3493 . . . . . . . . . . . . . . . . . . . . . . . . . . 4-64
Totalising examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-67
Primary Display Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-71
Serial Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-73
PIN Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-74
SECTION 5
Service and Health
Checks
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Health Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Health Check: 3490 Series Control Unit. . . . . . . . . . . . . . . . . . . . . 5-2
Health Check: Rosemount 3102/3105 Series transmitters. . . . . . . 5-8
APPENDIX A
Reference Data
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6
Model Code 3491, Standard Control Unit. . . . . . . . . . . . . . . . . . . . A-6
Model Code 3492, Differential Control Unit . . . . . . . . . . . . . . . . . . A-7
Model Code 3493, Logging Control Unit . . . . . . . . . . . . . . . . . . . . A-8
APPENDIX B
Product Certifications
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
European Directive Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Hazardous Locations Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
ATEX Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
Underwriters Laboratories Inc. (UL) Approvals . . . . . . . . . . . . . . . B-3
Canadian Standards Association (CSA) Approvals . . . . . . . . . . . . B-4
IECEx Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
Approval Drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-5
APPENDIX C
Menus and Parameters
Menus and parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-1
APPENDIX D
Additional Features
Restoring the factory defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D-1
How to restore the factory default settings . . . . . . . . . . . . . . . . . . .D-1
DIRECT Menu screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D-2

Reference Manual
000809-0100-4841, Rev. AA
May 2007
1-3
Rosemount 3490 Series
APPENDIX E
Support for HART®
Transmitters
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
Fully Supported Transmitters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
Universal and Common Practice Commands . . . . . . . . . . . . . . . . . . . E-1
Universal Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
Common Practice commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2

Reference Manual
00809-0100-4841, Rev. AA
May 2007
Rosemount 3490 Series
1-4

Reference Manual
00809-0100-4841, Rev. AA
May 2007 Rosemount 3490 Series
www.rosemount.com
Section 1 Introduction
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-1
Manual Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-2
Service Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-3
SAFETY MESSAGES Procedures and instructions in this manual may require special precautions to
ensure the safety of the personnel performing the operations. Information that
raises potential safety issues is indicated by a warning symbol ( ). Refer to
the safety messages listed at the beginning of each section before performing
an operation preceded by this symbol.
Failure to follow these installation guidelines could result in death or serious
injury.
• Make sure only qualified personnel perform the installation.
• Use the equipment only as specified in this manual. Failure to do so may
impair the protection provided by the equipment.
Explosions could result in death or serious injury.
• Verify the operating environment of the Rosemount 3490 Series Control Unit is
consistent with the appropriate locations certifications.
Electrical shock could cause death or serious injury.
• Use extreme caution when making contact with the leads and terminals.
Any substitution of non-recognized parts may jeopardize safety. Repair, e.g. substitution
of components etc., may also jeopardize safety and is under no circumstances allowed.

Reference Manual
00809-0100-4841, Rev. AA
May 2007
Rosemount 3490 Series
1-2
MANUAL OVERVIEW This manual provides installation, configuration and maintenance information
for the Rosemount 3490 Series Control Unit.
Section 2: Overview
Section 3: Installation
Section 4: Getting Started
Section 5: Service and Health Checks
Appendix A: Reference Data
Appendix B: Product Certifications
Appendix C: Menus and Parameters
Appendix D: Additional Features
Appendix E: Support for HART®Transmitters