Emerson 3308A Rosemount 3308 Series Reference Manual

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Rosemount 3308 Series Wireless Guided Wave Radar, 3308A

Reference Manual

00809-0100-4308, Rev BA

December 2014

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Reference Manual

NOTICE

00809-0100-4308, Rev BA

Rosemount 3308 Series Wireless Guided Wave Radar Level Transmitter

Title Page

December 2014

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.

The United States has two toll-free assistance numbers and one international number. Customer Central

1-800-999-9307 (7:00 a.m. to 7:00 p.m. CST) North American Response Center

1-800-654-7768 (24 hours a day) Equipment service needs

International 1-952-906-8888

Explosions could result in death or serious injury.

Verify that the operating environment of the gauge is consistent with the appropriate hazardous locations certifications.

Installation of device in an explosive environment must be in accordance with appropriate local, national and international standards, codes, and practices.

Ensure device is installed in accordance with intrinsically safe or non-incendive field practices.

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Electrical shock can result in death or serious injury.

Ground device on non-metallic tanks (e.g. fiberglass tanks) to prevent electrostatic charge build-up.

Single lead probes are sensitive for strong electromagnetic fields and therefore not suitable for non-metallic tanks.

Care must be taken during transportation of power module to prevent electrostatic charge build-up.

Device must be installed to ensure a minimum antenna separation distance of 8 in. (20 cm) from all persons.

Probes covered with plastic and/or with plastic discs may generate an ignition-capable level of electrostatic charge under certain extreme conditions. Therefore, when the probe is used in a potentially explosive atmosphere, appropriate measures must be taken to prevent electrostatic discharge.

Process leaks could result in death or serious injury.

Only qualified personnel should install the equipment. Install transmitter prior to process start-up. Install and tighten process connectors before applying pressure. Handle the transmitter carefully. Do not remove the transmitter while in operation. If the process seal is damaged, gas could escape from the tank when removing the

transmitter head from the probe.

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.

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NOTICE

00809-0100-4308, Rev BA

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December 2014

This device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions: This device may not cause harmful interference. This device must accept any interference received, including interference that may cause undesired operation. This device must be installed to ensure a minimum antenna separation distance of 20 cm (8 in.) from all persons.

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 Emerson Process Management Sales Representative.

Power Module Considerations

Each Power Module contains two "C" size primary lithium/thionyl chloride batteries. Each battery contains approximately 2.5 grams of lithium, for a total of 5 grams in each pack. Under normal conditions, the battery materials are self-contained and are not reactive as long as the batteries and the pack integrity are maintained. Care should be taken to prevent thermal, electrical or mechanical damage. Contacts should be protected to prevent premature discharge.

Battery hazards remain when cells are discharged. Power modules should be stored in a clean and dry area. For maximum battery life, storage

temperature should not exceed 30° C. The Power Module may be replaced in a hazardous area. The Power Module has surface

resistivity greater than one gigaohm and must be properly installed in the wireless device enclosure. Care must be taken during transportation to and from the point of installation to prevent electrostatic charge build-up.

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1Section 1: Introduction

2Section 2: Transmitter Overview

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December 2014

1.1 Service support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.2 Product recycling/disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

2.1 Theory of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2.2 Emerson's Smart Wireless. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

2.3 Application characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

2.3.1 Tank shape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

2.3.2 In-tank obstructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

2.3.3 Interface level measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

2.4 Application examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

2.5 Components of the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.6 Probe selection guide for the Rosemount 3308 Series Transmitter. . . . . . . . . . .10

3Section 3: Installation

3.1 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.2 Installation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.3 Review mounting considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.3.1 Recommended mounting position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.3.2 Flange connection on nozzles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

3.3.3 Non-metallic tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

3.4 Review mounting preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

3.4.1 Measure tank height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

3.4.2 Shorten the probe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

3.4.3 Mount a centering disc for pipe installations. . . . . . . . . . . . . . . . . . . . . . . . .26

3.5 Anchor the probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

3.5.1 Flexible single/twin lead probe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

3.5.2 Rigid single lead probe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

3.5.3 Coaxial probe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

3.6 Mount device on tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

3.6.1 Threaded tank connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

3.6.2 Tank connection with flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Tab le of C ontents

3.6.3 Tank connection with loose flange (“plate design”) . . . . . . . . . . . . . . . . . .35

3.6.4 Tank connection with Tri-Clamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

3.7 Ground the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

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3.8 Install the power module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

3.9 Position the antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

3.10Utilize the device display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

3.10.1Rotate the device display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

3.10.2Retrofitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

4Section 4: Configuration

4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

4.2 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

4.3 Configuration procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

4.4 Get started with your preferred configuration tool . . . . . . . . . . . . . . . . . . . . . . . . .45

4.4.1 AMS Wireless Configurator (version 12.0 or later is required) . . . . . . . . . .45

4.4.2 Field Communicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

4.5 Join device to wireless network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

4.5.1 Power up the wireless device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

4.5.2 Connect to device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

4.5.3 Configure Update Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

4.5.4 Obtain Network ID and Join Key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

4.5.5 Enter Network ID and Join Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

4.5.6 Verify device joins network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

4.6 Configure device using Guided Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

4.6.1 Connect to device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

4.6.2 Basic Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

4.6.3 Optional Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

4.7 Verify Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

5Section 5: Operation

5.1 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

5.2 Device display screen messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

5.2.1 Variable screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

5.2.2 Diagnostic button screen sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

5.3 View measurement values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

5.3.1 View current measurement values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

5.3.2 View trends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

5.3.3 Interpret measurement status bars. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

5.4 Check Device Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

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6Section 6: Service and Troubleshooting

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December 2014

6.1 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

6.2 Alert messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

6.2.1 Device display alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

6.2.2 Alert messages in AMS Wireless Configurator and Field Communicator .74

6.3 Troubleshooting guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

6.3.1 Incorrect level readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

6.3.2 Incorrect or missing interface level reading. . . . . . . . . . . . . . . . . . . . . . . . . .80

6.3.3 Power module troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

6.3.4 Device display troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

6.3.5 Wireless Network troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

6.4 Service and troubleshooting tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

6.4.1 Reading the Echo Curve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

6.4.2 Adjusting thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

6.4.3 Viewing Measurement History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

6.4.4 Reviewing Network Join Status and Details . . . . . . . . . . . . . . . . . . . . . . . . . .89

6.4.5 Locating the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

6.4.6 Using the Simulation Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

6.5 Application challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

6.5.1 Resolving thin oil layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

6.5.2 Handling disturbances at the top of the tank . . . . . . . . . . . . . . . . . . . . . . . .92

6.5.3 Interface measurements with fully submerged probes. . . . . . . . . . . . . . . .96

6.5.4 Noise or weak surface echoes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

6.6 Power module replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

6.7 Transmitter head replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99

6.8 Probe replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

AAppendix A: Reference Data

A.1 Functional specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

A.1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

A.1.2 Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

A.1.3 Display and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

A.1.4 Temperature limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

A.1.5 Process temperature and pressure rating . . . . . . . . . . . . . . . . . . . . . . . . . 104

A.1.6 Interface measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

A.2 Performance specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Tab le of C ontents

A.2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

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A.2.2 Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

A.2.3 Accuracy over measuring range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

A.2.4 Maximum measuring range and minimum dielectric constant . . . . . . . 110

A.2.5 Interface measuring range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

A.2.6 Viscosity and Coating/Build-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

A.3 Physical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

A.3.1 Material selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

A.3.2 Tank connection and probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

A.3.3 Engineered solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

A.3.4 Chamber/pipe installations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

A.4 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

A.5 Spare parts and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

A.6 Dimensional drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

BAppendix B: Product Certifications

B.1 Safety messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

B.2 Product certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

B.2.1 European Union Directive Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

B.2.2 Approved manufacturing locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

B.2.3 ATEX Directives (94/9/EC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

B.2.4 Electro Magnetic Compatibility (EMC) (2004/108/EC) . . . . . . . . . . . . . . 141

B.2.5 Radio and Telecommunications Terminal Equipment Directive

(R&TTE) (1999/5/EC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

B.2.6 Telecommunication Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

B.2.7 FCC and IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

B.2.8 Ordinary Location Certification for FM Approvals. . . . . . . . . . . . . . . . . . . 142

B.2.9 Pressure Equipment Directive (PED) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

B.2.10Hazardous Locations Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

B.2.11Other certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

B.3 Approval drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

CAppendix C: High Gain Remote Antenna Option

C.1 Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

C.2 Functional and physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

C.2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

C.2.2 Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

C.2.3 Coaxial cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

C.2.4 RF Lightning Arrestor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

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DAppendix D: Configuration Parameters

Table of Contents

December 2014

C.2.5 Mounting bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

C.2.6 Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

C.3 Review installation considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.3.1 Antenna mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.3.2 Antenna height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.3.3 Affix coaxial cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.3.4 Install coaxial drip loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.3.5 Apply coaxial sealant moisture protection. . . . . . . . . . . . . . . . . . . . . . . . . 153

C.4 Transient/lightning considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.4.1 Gateway transient protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.4.2 RF lightning arrestor ground connection . . . . . . . . . . . . . . . . . . . . . . . . . . 153

C.5 Install the high gain remote antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

D.1 Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

D.2 Menu overview of the Device Descriptor (DD) . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

D.3 Configuration parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

D.3.1 Guided Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

D.3.2 Manual Setup - Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

D.3.3 Manual Setup - Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

D.3.4 Alert Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

D.3.5 Echo Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

EAppendix E: Mapping of Alert Messages in the HART command

48 Additional Status Field

E.1 Alert messages and descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Tab le of C ontents

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Table of Contents

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NOTICE

00809-0100-4308, Rev BA

Section 1 Introduction

1.1 Service support

To expedite the return process outside of the United States, contact the nearest Emerson Process Management representative.

Within the United States, call the Emerson Process Management Instrument and Valves Response Center using the 1-800-654-RSMT (7768) toll-free number. This center, available 24 hours a day, will assist you with any needed information or materials.

The center will ask for product model and serial numbers, and will provide a Return Material Authorization (RMA) number. The center will also ask for the process material to which the product was last exposed. Emerson Process Management Instrument and Valves Response Center representatives will explain the additional information and procedures necessary to

return goods exposed to hazardous substances.

Section 1: Introduction

December 2014

Individuals who handle products exposed to a hazardous substance can avoid injury if they are informed of and understand the hazard. If the product being returned was exposed to a hazardous substance as defined by Occupational Safety and Health Administration (OSHA), a copy of the required Material Safety Data Sheet (MSDS) for each hazardous substance identified must be included with the returned goods.

Shipping considerations for wireless products.

The unit was shipped to you without the Power Module installed. Please remove the Power Module prior to shipping the unit.

Each Power Module contains two "C" size primary lithium/thionyl chloride batteries. Primary lithium batteries (charged or discharged) are regulated during transportation by the U.S. Department of Transportation. They are also covered by IATA (International Air Transport Association), ICAO (International Civil Aviation Organization), and ARD (European Ground Transportation of Dangerous Goods). It is the responsibility of the shipper to ensure compliance with these or any other local requirements. Consult current regulations and requirements before shipping.

1.2 Product recycling/disposal

Introduction

Recycling of equipment and packaging should be taken into consideration and disposed in accordance with local and national legislation/regulations.

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Section 1: Introduction

December 2014

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Introduction

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Time

Reference Peak

Signal Amplitude

Tank He ight

Product Level

Upper Reference Point

Zero Reference Point

Interface

Level

Probe Length

Product Surface Peak

Interface Peak

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Section 2: Transmitter Overview

Section 2 Transmitter Overview

Theory of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3

Emerson's Smart Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6

Application characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6

Application examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 8

Components of the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 9

Probe selection guide for the Rosemount 3308 Series Transmitter . . . . . . . . . . . . . . . . page 10

2.1 Theory of operation

The Rosemount 3308 Series is the first true wireless level transmitter that is based on the Time Domain Reflectometry (TDR) principle. Low power nano-second-pulses are guided along a probe submerged in the process media. When a pulse reaches the surface of the material it is measuring, part of the energy is reflected back to the transmitter, and the time difference between the generated and reflected pulse is converted into a distance from which the total level or interface level is calculated (see Figure 2-1).

December 2014

The reflectivity of the product is a key parameter for measurement performance. A high dielectric constant of the media gives better reflection and a longer measuring range.

Figure 2-1. Guided Wave Radar Operating Principle

3Trans mitter O verview

Page 16

Section 2: Transmitter Overview

Probe Length

Upper Reference Point

NPT BSP/G Flange Tri-Clamp

™

December 2014

Reference peak

This peak is caused by the transition between transmitter and the tank vapor space or air. It is used by the transmitter as a starting reference point for distance to the level surface.

Product surface peak

This peak indicates the product level and is caused by a reflection from the product surface.

Interface peak

This peak indicates the interface level. The peak is caused by reflection from the interface between an upper product and a bottom product with a relatively high dielectric constant. This peak is identified when the Measurement Mode is set to Product Level and Interface Level or Interface Level with Submerged Probe.

Probe end peak

It is caused by reflection from the probe end. If the probe is grounded, the peak will be positive. If the probe end is submerged in a high dielectric media, such as water, it will not be visible.

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Upper reference point

The Upper Reference Point is located at the underside of the transmitter flange or the bottom end of the threaded adapter, as illustrated in Figure 2-2 on page 4.

Figure 2-2. Upper Reference Point

Zero reference point

The Zero Reference Point is selected by the user and is usually located close to or at the bottom of the tank. The Zero Reference Point can be set to any position in the tank by adjusting the Tank Height.

Tra nsmit ter O vervi ew

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Maximum Measuring Range

Upper Blind Zone

Reduced Accuracy

Lower Blind Zone

00809-0100-4308, Rev BA

Tank height

The Tank Height is the distance from the Upper Reference Point to the Zero Reference Point. The transmitter measures the distance to the product surface and subtracts this value from the Tank Height to determine the level.

Probe length

The probe length is the distance between the Upper Reference Point and the end of the probe. If a weight is used at the end of the probe it shall be included.

Blind zones

The measuring range depends on probe type, dielectric constant of the product and installation environment, and is limited by the Blind Zones at the very top and bottom of the probe. In the Blind Zones, the accuracy exceeds ±1.18 in. (30 mm), and measurements may not be possible. Measurements close to the Blind Zones will have reduced accuracy.

Figure 2-3 illustrates how the measuring range is related to the Blind Zones and the areas with

reduced accuracy. Values for different probe types and dielectric constants are presented in section “Accuracy over measuring range” on page 108.

Section 2: Transmitter Overview

December 2014

Figure 2-3. Blind Zones

Trans mitter O verview

Note

Measurements may not be possible in the Blind Zones, and measurements close to the Blind Zones will have reduced accuracy. Therefore, the alarm points should be configured outside these zones.

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Section 2: Transmitter Overview

December 2014

2.2 Emerson's Smart Wireless

Emerson Smart Wireless is a self-organizing network solution. Wireless field instruments send data to a Gateway, directly or routed through any of the wireless devices in the network, as illustrated in Figure 2-4. Multiple communication paths are managed and analyzed in parallel to assure optimal communication and sustained network reliability even if obstructions are introduced.

Figure 2-4. Emerson Smart Wireless Network

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Gateways interface with existing host systems using industry standard protocols, and native integration into DeltaV

Interference from other radios, WiFi, and EMC sources is avoided through Time Synchronized Channel Hopping and Direct Sequence Spread Spectrum (DSSS). Also, a layered security implementing industry standard Encryption, Authentication, Verification, Anti-Jamming, and Key Management ensures that data transmissions are secure and received only by the Gateway.

™

and Ovation is transparent and seamless.

2.3 Application characteristics

2.3.1 Tank shape

The guided wave radar transmitter is insensitive to the tank shape. Since the radar signal travels along a probe, the shape of the tank bottom has no effect on the measurement performance. The transmitter handles flat or dish-bottom tanks equally well.

Tra nsmit ter O vervi ew

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Product Level

Interface Level

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2.3.2 In-tank obstructions

The Rosemount 3308 Series Transmitter is relatively insensitive to objects in the tank since the radar signal is transmitted along a probe.

Avoid physical contact between probes and agitators as well as applications with strong fluid movement unless the probe is anchored. If the probe can move within 1 ft (30 cm) away from any object, such as an agitator, during operation then probe tie-down is recommended.

In order to stabilize the probe for side forces, you have the option to either hang a weight at the probe end (flexible probes only) or fix/guide the probe to the tank bottom.

2.3.3 Interface level measurement

Rosemount 3308 Series Transmitter is well suited for measuring the interface of oil and water, or other liquids with significant dielectric differences.

Figure 2-5. Interface Level Measurement

Section 2: Transmitter Overview

December 2014

Trans mitter O verview

All probes can be used for measuring interfaces. Single probes are the preferred choice in almost all applications but depending on the application and installation geometries a coaxial probe or a flexible twin probe may be a better fit.

For measuring the interface level, the transmitter uses the residual wave of the first reflection. Part of the wave, which was not reflected at the upper product surface, continues until it is reflected at the lower product surface. The speed of this wave depends fully on the dielectric constant of the upper product.

The maximum allowable upper product thickness/measuring range is primarily determined by the dielectric constants of the two liquids. Target applications include interfaces between oil/oil-like and water/water-like liquids. For such applications the upper product dielectric constant is low (<3) and the lower product dielectric constant is high (>20). Refer to “Interface

measurements” on page 106 for further interface application guidelines.

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Section 2: Transmitter Overview

Oil

Water

December 2014

Emulsion layers

Sometimes there is an emulsion layer (mix of the products) between the two products which, depending on its characteristics, will affect interface measurements. Please consult factory for guidelines on how to handle emulsion layers.

2.4 Application examples

The Rosemount 3308 Series Transmitter is suited for aggregate (total) level measurements on a wide range of liquids, semi-liquids, and liquid to liquid interfaces.

Moreover, the reliable and accurate guided wave radar technology offers a versatile solution that is virtually unaffected by process conditions such as temperature, pressure, vapor gas

mixtures, density, turbulence, bubbling/boiling, varying dielectric media, pH, and viscosity.

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Production, storage, and buffer tanks

Low pressure separators

Waste tanks and sump pits

The Rosemount 3308 Series Transmitter is ideal for production and shorter storage or buffer tanks that contain oil, gas condensate, water, or chemicals.

The Rosemount 3308 Series Transmitter can measure both level and interface level in for example separator applications.

The Rosemount 3308 Series Transmitter is a good choice for waste tanks and underground tanks, such as sump pits.

Chamber applications

The Rosemount 3308 Series Transmitter is a good choice for both chamber and pipe installations.

Tra nsmit ter O vervi ew

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A. Radar Electronics B. Flanged Process Connections C. Probe D. Dual Compartment Housing E. Threaded Process Connections F. BS P (G) G. NPT H. Flexible Single Lead with weight I. Rigid Single Lead J. Flexible Twin Lead with weight K. Coaxial

HI JK

00809-0100-4308, Rev BA

2.5 Components of the transmitter

The Rosemount 3308 Series transmitter housing contains advanced electronics for signal processing. The transmitter housing is made of aluminum or stainless steel, depending on specified option code.

The radar electronics produces an electromagnetic pulse which is guided by the probe.

There are different probe types available for various applications: Flexible Single Lead, Rigid Single Lead, Flexible Twin Lead, and Coaxial.

Figure 2-6. Transmitter Components

Section 2: Transmitter Overview

December 2014

Trans mitter O verview

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Section 2: Transmitter Overview

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2.6 Probe selection guide for the Rosemount 3308 Series Transmitter

Use the following guidelines to choose appropriate probe for your Rosemount 3308 Series transmitter:

Table 2-1. Probe Selection Guide. G=Good, NR=Not Recommended, AD=Application

Dependent (consult factory)

Flexible

single lead

Rigid single

lead

Flexible

twin lead

Coaxial

Measurements

Level GGGG

Interface (liquid/liquid) G G G G

(1)

Process medium characteristics

Changing density G G G G

Changing dielectric

Wide pH variations G G G G

Pressure changes GGGG

Temperature changes GGGG

Condensing vapors G G G G

Bubbling/boiling surfaces G G G G

Foam (mechanical avoidance) NR NR NR AD

Foam (top of foam measurement) AD AD AD NR

Foam (foam and liquid measurement) AD AD AD NR

Clean liquids G G G G

Liquid with dielectric<2.0 AD AD AD AD

Coating liquids G G NR NR

(2)

GGGG

Viscous liquids G G AD NR

Crystallizing liquids AD AD NR NR

Solids/Powders NR NR NR NR

Fibrous liquids G G NR NR

Tank environment considerations

Probe is close (<12 in./30 cm) to disturbing objects

Tall and narrow mounting nozzles (diameter <6 in./15 cm and height>diameter + 4 in./10 cm)

Probe might touch nozzle / disturbing object

NR NR AD G

AD AD AD G

NR NR NR G

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Section 2: Transmitter Overview

December 2014

Flexible

single lead

Liquid or vapor spray might touch probe

High turbulence AD

Turbulent conditions causing breaking forces

Non-metallic tanks or open atmosphere applications

(1) Not in fully submerged applications. (2) For overall level applications a changing dielectric has no effect on the measurement. For interface measurements a changing dielectric

of the top fluid will degrade the ac curacy of the interface measurement. (3) Ok If probe is anchored. (4) Not suitable in applications with disturbing EMC from nearby equipment.

NR NR NR G

(3)

AD NR AD NR

(4)

Rigid single

lead

Flexible

twin lead

GAD

(4)

Coaxial

(3)

(4)

Trans mitter O verview

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Section 2: Transmitter Overview

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Tra nsmit ter O vervi ew

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Section 3 Installation

Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 13

Installation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 16

Review mounting considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 17

Review mounting preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 20

Anchor the probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 30

Mount device on tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 33

Ground the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 37

Install the power module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 38

Position the antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 38

Utilize the device display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 39

3.1 Safety messages

Section 3: Installation

December 2014

Procedures and instructions in this section 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 ( ). Please refer to the following safety messages before performing an operation preceded by this symbol.

Failure to follow safe installation guidelines could result in death or serious injury.

Verify that the operating environment of the gauge is consistent with the appropriate hazardous locations certifications.

Make sure the transmitter is installed by qualified personnel and in accordance with applicable code of practice.

Use the equipment only as specified in this manual. Failure to do so may impair the protection provided by the equipment.

Installation

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Section 3: Installation

December 2014

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Explosions could result in death or serious injury.

Installation of device in an explosive environment must be in accordance with appropriate local, national and international standards, codes, and practices.

Ensure device is installed in accordance with intrinsically safe or non-incendive field practices.

Electrical shock can result in death or serious injury.

Ground device on non-metallic tanks (e.g. fiberglass tanks) to prevent electrostatic charge build-up.

Single lead probes are sensitive for strong electromagnetic fields and therefore not suitable for non-metallic tanks.

Care must be taken during transportation of power module to prevent electrostatic charge build-up.

Device must be installed to ensure a minimum antenna separation distance of 8 in. (20 cm) from all persons.

Process leaks could result in death or serious injury.

transmitter head from the probe.

Electronic boards are electrostatically sensitive. Failure to observe proper handling precautions for static-sensitive components can result in damage to the electronic components. Do not remove the electronic boards from the Rosemount 3308 Series Tr an sm i tt er.

Installation

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Section 3: Installation

December 2014

To ensure long life for your radar transmitter, and to comply with hazardous location installation requirements, tighten covers on both sides of the electronics housing.

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.

Use caution when handling the Power Module. The Power Module may be damaged if dropped from heights in excess of 20 ft (6 m).

Installation

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Section 3: Installation

GROUND THE DEVICE

INSTALL THE POWER

MODULE

POSITION THE ANTENNA

UTILIZE THE DISPLAY

Threaded Tank

Connection

REVIEW MOUNTING

CONSIDERATIONS

REVIEW MOUNTING

PREPARATIONS

MOUNT DEVICE ON

TAN K

Measure Tank Height

Shorten the Probe

Mount a Centering disc

for Pipe Installations

Tank Connection with

Flange

Tank Connection with

Loose Flange

(“plate design”)

ANCHOR THE PROBE

Recommended

Mounting Position

Flange Connection on

Nozzles

Non-metallic tanks

Tank Connection with

Tri -C lam p

™

Optional

December 2014

3.2 Installation procedure

Follow these steps for proper installation:

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Installation

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Inlet pipe

Heating coils

Agitator

00809-0100-4308, Rev BA

3.3 Review mounting considerations

Before installing the Rosemount 3308 Series Transmitter, consider recommendations for sufficient free space, mounting position and special needs for non-metallic tanks.

3.3.1 Recommended mounting position

When finding an appropriate mounting position for the transmitter, the conditions of the tank must be carefully considered. The transmitter should be mounted so that the influence of disturbing objects is reduced to a minimum. For easy access to the transmitter make sure that it is mounted with sufficient service space.

Figure 3-1. Mounting Position

Section 3: Installation

December 2014

Installation

The following guidelines should be considered when mounting the transmitter:

 Do not mount close to inlet pipes.  Do not mount close to agitators. If the probe can move to within 12 in. (30 cm) away

from an agitator, the probe should be anchored. See “Ancho r the probe ” on pa ge 3 0 for more information.

 If the probe tends to sway due to turbulent conditions in the tank, the probe should be

anchored. See “Anchor the probe” on page 30 for more information.

 Avoid mounting close to heating coils.  Position the probe such that it is subject to a minimum of lateral force.  Make sure the probe does not come into contact with the nozzle or other objects in the

tank.

Page 30

Section 3: Installation

Clearance to tank wall

December 2014

 Make sure the nozzle does not extend into the tank.

Note

Violent fluid movements causing high sideway forces may break rigid probes.

If the probe is mounted close to a wall, nozzle or other tank obstruction, noise might appear in the level signal. Therefore the following minimum clearance, according to Tab l e 3 - 1 , must be maintained.

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Figure 3-2. Free Space Requirement

Table 3-1. Recommended Minimum Free Space to Tank Wall or Other Objects in the Tank

Probe type Condition Minimum free space

Rigid Single/Flexible Single Smooth metal wall 4 in. (100 mm)

Flexible Twin Smooth metal wall 4 in. (100 mm)

Coaxial N/A 0 in. (0 mm)

Disturbing objects such as pipes and beams, or rugged metal tank walls

16 in. (400 mm)

Installation

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Reference Manual

Maximum nozzle height

Minimum nozzle diameter

00809-0100-4308, Rev BA

3.3.2 Flange connection on nozzles

Figure 3-3. Mounting in Nozzles

Section 3: Installation

December 2014

The transmitter can be mounted in nozzles by using an appropriate flange. It is recommended that the nozzle size is within the dimensions given in Ta bl e 3 - 2 .

Note

The probe must not be in contact with the nozzle (except for the coaxial probe).

Table 3-2. Nozzle Considerations

Flexible single lead probe

Recommended nozzle diameter

Minimum nozzle diameter

Maximum nozzle height

(1) The Trim Near Zone (TNZ) function may be necessary or an Upper Null Zone (UNZ) setup may be required to mask the nozzle. (2) Recommended maximum nozzle height. For coaxial probes there is no limitation on nozzle height. (3) For nozzles taller than 4 in. (100 mm), the Long Stud version is recommended (option code LS) to prevent the flexible portion from

(1)

(2)

touching the edge of the nozzle.

4 in. (100 mm) or more

1.5 in. (38 mm) 1.5 in. (38 mm) for

4 in. (100 mm) + nozzle diameter

Rigid single lead probe

4 in. (100 mm) or more

probe type 4A

2 in. (50 mm) for probe type 4B

4 in. (100 mm)

(3)

+ nozzle diameter

Flexible twin lead probe

4 in. (100 mm) or more

2 in. (50 mm) > probe

4 in. (100 mm) + nozzle diameter

Coaxial probe

> probe diameter

diameter

N/A

3.3.3 Non-metallic tanks

Installation

Flexible twin lead probe or coaxial probe are the recommended choice for non-metallic tanks. Single lead probes are not suited for non-metallic tanks or open atmosphere applications, due to high susceptibility to strong electromagnetic fields.

Page 32

Section 3: Installation

Upper Reference Point

Zero Reference Point

Tank Height

December 2014

3.4 Review mounting preparations

3.4.1 Measure tank height

The Tank Height is defined as the measured distance from the Upper Reference Point to the Zero Reference Point.

Figure 3-4. Measure Tank Height

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Installation

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Probe Length

2 in. (5 cm)

clearance

00809-0100-4308, Rev BA

3.4.2 Shorten the probe

In order to leave some clearance distance between the probe end and the tank bottom, the probe might have to be shortened. The goal is to have the probe hang straight so that it does not touch the wall. 2 in. (5 cm) is a suggested value. The probe can be shortened in field. Use the following form to calculate the probe length:

Probe Length = Tank height - 2 in. (5 cm)

After shortening the probe make sure to update the transmitter configuration to the new probe length, see “Probe Length” on page 161.

Figure 3-5. Calculate Probe Length

Section 3: Installation

December 2014

Installation

Page 34

Section 3: Installation

123

December 2014

Flexible single/twin lead probe

Note

The PTFE covered probes must not be cut in field.

1. Mark where to cut the probe.

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2. Remove enough spacers to make place for the weight (only flexible twin lead probes).

3. Loosen the weight.

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4. Slide the weight up.

5. Cut the probe at the mark.

Section 3: Installation

December 2014

Installation

6. Fasten the weight with the following torque:

 Small weight (W1): 5 Nm  Short weight (W2): 5 Nm  Heavy weight (W3): 5 Nm  Weight, Flexible Twin: 6 Nm

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Section 3: Installation

December 2014

Rigid single lead probe

Note

The PTFE covered probes must not be cut in field.

Note

Make sure the lead is fixed while cutting.

1. Mark where to cut the probe.

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123

2. Cut the probe at the mark.

Installation

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Reference Manual

Centering piece

Maximum shortening 23.6 in. (600 mm)

> 49 in. (1250 mm)

Minimum probe length

15.7 in. (400 mm)

 49 in. (1250 mm)

00809-0100-4308, Rev BA

Coaxial probe

Section 3: Installation

December 2014

1. Mark where to cut the probe.

2. Insert the centering piece. (The centering piece is delivered from factory and should be used to prevent the spacers centering the rod from coming loose).

3. Cut the tube to the desired length.

4. Move the centering piece.

5. Cut the rod inside the tube. Make sure the rod is fixed with the centering piece while cutting.

 Pipes longer than 49 in. (1250

mm) can be shortened by as much as 23.6 in. (600 mm).

Installation

 Pipes shorter than 49 in. (1250

mm) can be cut as long as the remaining length is not less than 15.7 in. (400 mm).

Page 38

Section 3: Installation

A. Bolt B. Tab washer C. Centering disc D. Weight

B C

Tab wa sher

December 2014

3.4.3 Mount a centering disc for pipe installations

To prevent the probe from contacting the chamber or pipe wall, centering discs are available for flexible single, rigid single, and flexible twin lead probes. The disc is attached to the end of the probe.

Flexible single/twin lead probe

Figure 3-6. Centering Disc at the End of the Weight

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00809-0100-4308, Rev BA

1. Mount the centering disc at the end of the weight.

2. Make sure that the tab washer is properly inserted in the centering disc.

3. Fasten the centering disc with the bolt.

4. Secure the bolt by folding the tab washer.

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Reference Manual

A. Drilling fixture B. Probe

Note

Do not mount the washer if the centering disc material is PTFE.

A. Washer B. Centering disc C. Bushing

00809-0100-4308, Rev BA

Rigid single lead probe (8 mm)

Note

Centering discs shall not be used with PTFE covered probes.

1. Drill one hole using the drilling fixture (included in your shipment).

Section 3: Installation

December 2014

2. Mount the bushing, centering disc, and washer at the probe end.

3. Insert the split pin through the bushing and the probe.

Installation

Page 40

Section 3: Installation

A. Drilling fixture B. Probe

A. Bushing B. Centering disc

December 2014

4. Secure the split pin.

Rigid single lead probe (13 mm)

1. Drill two holes using the drilling fixture (included in your shipment).

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00809-0100-4308, Rev BA

2. Mount the bushings and centering disc at the probe end.

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Reference Manual

0.16 in. (4 mm)

0.08 in. (2 mm)

00809-0100-4308, Rev BA

3. Adjust distance by shifting hole for split pin in lower bushing.

4. Insert the split pins through the bushings and the probe.

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December 2014

5. Secure the split pins.

Installation

Page 42

Section 3: Installation

Weight with internal threads M8x14

Ring

December 2014

3.5 Anchor the probe

In turbulent tanks it may be necessary to fix the probe. Depending on the probe type, different methods can be used to guide the probe to the tank bottom. This may be needed in order to prevent the probe from hitting the tank wall or other objects in the tank, as well as preventing a probe from breaking.

3.5.1 Flexible single/twin lead probe

The flexible single lead probe itself can be used for anchoring. Pull the probe rope through a suitable anchoring point, e.g. a welded eye, and fasten it with a chuck.

The length of the loop will add to the Blind Zone. The location of the chuck will determine the beginning of the Blind Zone. See “Accuracy over measuring range” on page 108 for further information on Blind Zones.

The Probe Length should be configured as the distance from the Upper Reference Point to the top of the chuck.

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Figure 3-7. Flexible Single Lead Probe with Chuck

A ring (customer supplied) can be attached to the weight in a threaded (M8x14) hole at the end of the weight. Attach the ring to a suitable anchoring point.

Figure 3-8. Flexible Twin/Single Lead Probe with Weight and Ring

A magnet (customer supplied) can be fastened in a threaded (M8x14) hole at the end of the weight. The probe can then be guided by placing a suitable metal plate beneath the magnet.

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Magnet

Drain

00809-0100-4308, Rev BA

Figure 3-9. Flexible Twin/Single Lead Probe with Weight and Magnet

3.5.2 Rigid single lead probe

The rigid single lead probe can be guided by a tube welded on the tank bottom. Tubes are customer supplied. Make sure that the probe can move freely in order to handle thermal expansion. The measurement accuracy will be reduced close to the tube opening.

Section 3: Installation

December 2014

Figure 3-10. Rigid Single Lead Probe with Tube

3.5.3 Coaxial probe

The coaxial probe can be secured to the tank wall by fixtures fastened to the tank wall. Fixtures are customer supplied. Make sure the probe can move freely due to thermal expansion without getting stuck in the fixture.

Installation

Page 44

Section 3: Installation

1.1 in. (28 mm) Drain

December 2014

Figure 3-11. Coaxial Probe Secured to the Tank Wall

The coaxial probe can be guided by a tube welded on the tank bottom. Tubes are customer supplied. Make sure that the probe can move freely in order to handle thermal expansion. The measurement accuracy will be reduced close to the tube opening.

Figure 3-12. Coaxial Probe with Tube

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Installation

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Reference Manual

A. Transmitter head B. Nut C. Adapter D. Probe E. Sealant on threads (NPT) or

Gasket (BSP/G)

F. Tank flange/Process connection

00809-0100-4308, Rev BA

3.6 Mount device on tank

Mount the transmitter with flange on a nozzle on top of the tank. The transmitter can also be mounted on a threaded connection. Make sure only qualified personnel perform the installation.

Note

If the transmitter head must be removed from the probe, make sure that the Process seal is carefully protected from dust and water. See “Transmitter head replacement” on page 99 for further information.

Note

PTFE covered probes must be handled carefully to prevent damage to the coating.

3.6.1 Threaded tank connection

Figure 3-13. Threaded Tank Connection

Section 3: Installation

December 2014

1. For adapters with BSP/G threads, place a gasket on top of the tank flange.

2. For adapters with NPT threads, use anti-seize paste or PTFE tape according to your site procedures.

Installation

Page 46

Section 3: Installation

A. Transmitter head B. Nut C. Bolts D. Flange E. Probe F. G as k e t G. Tank flange

December 2014

3. Lower the transmitter and probe into the tank.

4. Loosen the nut that connects the transmitter head to the probe slightly.

5. Screw the adapter into the process connection.

6. Rotate the transmitter head so the device display faces the desired direction.

7. Tighten the nut. Max torque is 30 Lbft (40 Nm).

8. Continue with the grounding step.

3.6.2 Tank connection with flange

Figure 3-14. Tank Connection with Flange

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1. Place a gasket on top of the tank flange.

2. Lower the transmitter and probe with flange into the tank.

3. Tighten the bolts.

4. Loosen the nut that connects the transmitter head to the probe slightly.

5. Rotate the transmitter head so the device display faces the desired direction.

6. Tighten the nut. Max torque is 30 Lbft (40 Nm).

7. Continue with the grounding step.

Installation

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Reference Manual

A. Transmitter head B. Nut C. Flange nut D. Bolts E. Probe F. Loose fla ng e G.Plate H. Gasket I. Tank flange

G H I

00809-0100-4308, Rev BA

Section 3: Installation

3.6.3 Tank connection with loose flange (“plate design”)

Figure 3-15. Tank Connection with Loose Flange

December 2014

The transmitter is delivered with head, flange and probe assembled into one unit. If, for some reason, these parts have been disassembled mount the transmitter as described below:

1. Place a gasket on top of the tank flange.

2. Mount the flange on the probe and tighten the flange nut.

3. Mount the transmitter head.

4. Lower the transmitter and probe with flange into the tank.

5. Tighten the bolts.

6. Loosen the nut that connects the transmitter head to the probe slightly.

7. Rotate the transmitter head so the device display faces the desired direction.

8. Tighten the nut. Max torque is 30 Lbft (40 Nm).

9. Continue with the grounding step.

Installation

Page 48

Section 3: Installation

A. Transmitter head B. Nut C. Tri-Clamp D. Probe E. Clamp F. G as k e t G. Tank

December 2014

3.6.4 Tank connection with Tri-Clamp

Figure 3-16. Tank connection with Tri-Clamp

Reference Manual

00809-0100-4308, Rev BA

1. Place a gasket on top of the tank flange.

2. Lower the transmitter and probe into the tank.

3. Fasten the Tri-Clamp to the tank with a clamp.

4. Loosen the nut that connects the transmitter head to the probe slightly.

5. Rotate the transmitter head so the device display faces the desired direction.

6. Tighten the nut. Max torque is 30 Lbft (40 Nm).

7. Continue with the grounding step.

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Ground screw

00809-0100-4308, Rev BA

3.7 Ground the device

The Rosemount 3308 Series Wireless Guided Wave Radar transmitter operates with the housing grounded or floating. Floating systems can cause extra noise that may affect many types of readout devices. If the signal appears noisy or erratic, grounding at a single point may solve the problem.

Grounding of the electronics enclosure should be done in accordance with local and national installation codes. Grounding is accomplished by using the external case grounding terminal.

Non-metallic tanks

Ground device on non-metallic tanks (e.g. fiberglass tanks) to prevent electrostatic charge build-up.

There is one grounding screw connection provided, located on the housing, see Figure 3-17. The ground screw is identified by a ground symbol:

Figure 3-17. Ground Screw

Section 3: Installation

December 2014

Installation

Note

Always use facility recommended wiring practices.

Note

Page 50

Section 3: Installation

1. 2.

Keep cover tight

December 2014

3.8 Install the power module

Note

Use caution when handling the power module, it may be damaged if dropped from heights in excess of 20 ft (6 m).

1. Install the Black Power Module, SmartPower™ Solutions model number 701PBKKF into the transmitter.

2. Close the housing cover and tighten to site or safety specifications. Always ensure a proper seal by tightening the electronics housing covers so that metal touches metal, but do not over tighten.

Figure 3-18. Power Module Installation

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3.9 Position the antenna

The antenna should be positioned vertically, either straight up or straight down, and it should be approximately 3 ft (1 m) from any large structure, building, or conductive surface to allow for clear communication to other devices.

Figure 3-19. Antenna Positioned Vertically

Installation

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A. Display Pins B. Black tabs C. Display D. Cover

B C D

00809-0100-4308, Rev BA

3.10 Utilize the device display

If a device display is ordered, it will be shipped attached to the transmitter. The display is ordered in the transmitter model number, option code M5.

3.10.1 Rotate the device display

To rotate the display in 90-degree increments, do the following:

1. Squeeze the two black tabs on opposite sides of the display. Refer to Figure 3-20.

2. Gently pull out the display.

3. Rotate the display to the desired orientation, and snap the display into place.

Figure 3-20. Device Display

Section 3: Installation

December 2014

Note

If the device display four-pin connector is inadvertently removed from the interface board, carefully re-insert the connector before snapping the device display back into place.

3.10.2 Retrofitting

If an existing transmitter with no display (flat electronics cover) is to be retrofitted with a new display, order spare part kit number 00753-9004-0001(aluminum display kit) or 00753-9004-0004 (stainless steel display kit). These kits contain an extended cover with a display viewing window, a display board, and a display pin connector. Replace the flat cover with the extended display and tighten.

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Installation

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Section 4 Configuration

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 41

Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 42

Configuration procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 44

Get started with your preferred configuration tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 45

Join device to wireless network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 48

Configure device using Guided Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 57

Verify Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 59

4.1 Overview

This chapter provides information about configuration, configuration tools, and configuration parameters.

Section 4: Configuration

December 2014

 For a proper configuration, follow the steps listed in the section “Configuration

procedure” on page 44.

 The configuration can be performed using one of the described configuration tools:

 Appendix D: Configuration Parameters provides extended information about the

AMS

Wireless Configurator or a Field Communicator. The section “Get started with

your preferred configuration tool” on page 45 describes what preparations must be

done in order to use the configuration tool.

configuration parameters. An overview of Device Descriptor (DD) menu is presented in the section “Menu overview of the Device Descriptor (DD)” on page 159. All configuration parameters are described in section “Configuration parameters” on

page 160.

Configuration

Page 54

Section 4: Configuration

December 2014

4.2 Safety messages

Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operations. Information that potentially raises safety issues is

indicated by a warning symbol ( ). Please refer to the following safety messages before performing an operation preceded by this symbol.

Explosions could result in death or serious injury.

Verify that the operating environment of the gauge is consistent with the appropriate hazardous locations certifications.

Installation of device in an explosive environment must be in accordance with appropriate local, national and international standards, codes, and practices.

Ensure device is installed in accordance with intrinsically safe or non-incendive field practices.

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Electrical shock can result in death or serious injury.

Ground device on non-metallic tanks (e.g. fiberglass tanks) to prevent electrostatic charge build-up.

Single lead probes are sensitive for strong electromagnetic fields and therefore not suitable for non-metallic tanks.

Care must be taken during transportation of power module to prevent electrostatic charge build-up.

Device must be installed to ensure a minimum antenna separation distance of 8 in. (20 cm) from all persons.

Process leaks could result in death or serious injury.

Only qualified personnel should install the equipment. Handle the transmitter carefully. If the process seal is damaged, gas could escape from the tank when removing the

transmitter head from the probe.

To ensure long life for your radar transmitter, and to comply with hazardous location installation requirements, tighten covers on both sides of the electronics housing.

Configuration

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Section 4: Configuration

December 2014

Use caution when handling the Power Module. The Power Module may be damaged if dropped from heights in excess of 20 ft (6 m).

Configuration

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Section 4: Configuration

JOIN DEVICE TO

WIRELESS NETWORK

Insert Power Module

Connect to Device

Obtain Network ID

and Join Key

CONFIGURE DEVICE

Configure Update Rate

Enter Network ID and

Join Key

Verify Device Joins

Network

Connect to Device

Basic Setup

Optional Setup

VERIFY LEVEL

GET STARTED

December 2014

4.3 Configuration procedure

Follow these steps for proper configuration:

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Configuration

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Communication terminals

Smart Wireless Gateway

00809-0100-4308, Rev BA

Section 4: Configuration

December 2014

4.4 Get started with your preferred configuration tool

4.4.1 AMS Wireless Configurator (version 12.0 or later is required)

The AMS Wireless Configurator is the recommended software tool for the wireless network devices, and is supplied with the Smart Wireless Gateway. Refer to the AMS Wireless Configurator Manual Supplement (document number 00809-0400-4420) for further information.

Configuration can be done by connecting to the wireless network devices either point-to-point using a HART

Figure 4-2. Initial configuration to join a device to the wireless network must be done

point-to-point.

Figure 4-1. Connect Point-to-Point using HART Modem

modem as shown in Figure 4-1, or wirelessly through the gateway as shown in

Configuration

Figure 4-2. Connect Wirelessly through Smart Wireless Gateway

Page 58

Section 4: Configuration

December 2014

Get the latest Device Descriptor (DD)

The Device Descriptor (DD) is a configuration tool that is developed to assist the user through the configuration.

The Rosemount 3308 Series DD is typically installed together with AMS Wireless Configurator. To download the latest HART DD, visit the Emerson Process Management Device Install Kit site at: www.emersonprocess.com/devicefiles

After downloading, add the DD to AMS Wireless Configurator:

1. Close AMS Wireless Configurator.

2. Go to Start > Programs > AMS Device Manager and select Add Device Type.

3. Browse to the downloaded DD files and click Ok.

4. In the Add Device Type application, click the Help button for more information on how

Configure the HART modem interface

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to complete this operation.

Before connecting to the device using a HART modem, the HART modem interface must be configured in AMS Wireless Configurator:

1. Close AMS Wireless Configurator.

2. Go to Start > Programs > AMS Device Manager and select Network Configuration.

3. Click Add.

4. In the drop down list, select HART modem and click Install.

5. Follow the instructions. In the Network Configuration application, click the Help button for more information on how to complete this operation.

Configure the wireless network interface

Before connecting to the device wirelessly using a Smart Wireless Gateway, the wireless network must be configured in AMS Wireless Configurator:

1. Close AMS Wireless Configurator.

2. Go to Start > Programs > AMS Device Manager and select Network Configuration.

3. Click Add.

4. In the drop down list select Wireless Network and click Install.

5. Follow the instructions. In the Network Configuration application, click the Help button for more information on how to complete this operation.

Configuration

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Communication

terminals

A. Power key B. Navigation keys C. Tab key D. Backlight key E. Enter key F. Function key G. Alphanumeric keypad

00809-0100-4308, Rev BA

4.4.2 Field Communicator

This section describes how to prepare the Field Communicator to communicate with a Rosemount 3308 Series Transmitter. The Field Communicator can be used to configure the device with a point-to-point connection. Connect the leads on the Field Communicator to the communication terminals of the device as shown in Figure 4-3.

Figure 4-3. Connect Point-to-Point using a Field Communicator

Section 4: Configuration

December 2014

An overview of the Field Communicator is shown in Figure 4-4. For information on all the capabilities, refer to the Field Communicator Product Manual (document number 00809-0100-4276).

Figure 4-4. 475 Field Communicator

Get the latest Device Descriptor (DD)

Configuration

If the Rosemount 3308 Series DD is not included in your 475, then use the Easy Upgrade Utility to update the Field Communicator with the latest DD. See the Field Communicator Product Manual (document number 00809-0100-4276) for more information on how to update the device descriptors.

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December 2014

4.5 Join device to wireless network

4.5.1 Power up the wireless device

Make sure that the Smart Wireless Gateway is installed and functioning properly before any wireless field devices are powered. See “Install the power module” on page 38 for further information on how to install the power module.

Wireless devices should be powered up in order of proximity from the Gateway, beginning with the closest. This will result in a simpler and faster network installation.

Enable Active Advertising on the Gateway to ensure that new devices join the network faster. For more information, see the Gateway Reference Manual (document number 00809-0200-4420).

Startup screen sequence

The following screens will be displayed in sequence when the power module is first connected to the Rosemount 3308 Series Transmitter.

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Figure 4-5. Startup Screen Sequence

1. All Segments ON 2. Device Identification 3. Device Information: Tag

Used to visually determine if there are any bad segments on the device display.

4. Software Revision 5. Device Information: Status 6. Primary Variable

Used to determine Device Software Revision.

Identification string used to determine the Device Type.

This screen will only appear if there is a critical error which may prevent the device from operating correctly. Check additional status screens for more information about failure source, refer to

“Diagnostic button screen sequence” on page 64.

User entered tag, 8 characters long. This screen will not display if all characters are blank.

Measurement value of mapped Primary Variable.

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> 6 V Good

5.2 V – 6.0 V Low

< 5.2 V Very low

00809-0100-4308, Rev BA

7. Secondary Variable 8. Electronics Temperature 9. Supply Voltage

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December 2014

Measurement value of mapped Second Variable.

Temperature value of device electronics.

10. Percent of Range 11. Active Alert Present

Level value in percent of total measurement range.

This screen will only appear if there is at least one Active Alert present. For detailed information of the failure source and recommended actions, go to the Active Alerts screen in AMS Wireless Configurator or Field Communicator. Refer to “Check

Device Status” on page 67.

Voltage reading of the Power Module.

Configuration

Some Active Alerts will be displayed on the LCD display as part of the diagnostic button screen sequence, refer to

“Diagnostic button screen sequence” on page 64.

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4.5.2 Connect to device

Connect a Field Communicator or a HART modem to the communication terminals as shown in

Figure 4-6.

Figure 4-6. Connect to Device

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AMS Wireless Configurator: Field Communicator:

a. Start AMS Wireless Configurator. b. Select Device Connection View in

the View menu.

c. Double click on the device under the

HART modem.

a. Turn on the Field Communicator. b. Tap the HART symbol from the main

menu.

c. The Field Communicator now

connects to the device.

For more information on how to connect to device refer to “Get started with your preferred

configuration tool” on page 45.

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4.5.3 Configure Update Rate

The Update Rate is the frequency at which a new measurement is transmitted over the wireless network. The default update rate is 1 minute. This may be changed at commissioning, or at any time via AMS Wireless Configurator or a Field Communicator. The Update Rate is user selectable from 4 seconds to 60 minutes.

1. From the Home screen, select Configure.

2. Go to Guided Setup > Wireless Setup.

3. Click Configure Update Rate, and follow the instructions.

Note

Make sure to set the Update Rate so that there is enough safety margin in the system for high/low alerts. If the time between each update is too long, the high/low alerts may be triggered too late.

Run Check Level Response to make sure that configured Update Rate is sufficient for the application, refer to section “Optional Setup” on page 58.

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December 2014

Configuration

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Section 4: Configuration

December 2014

4.5.4 Obtain Network ID and Join Key

In order to communicate with the Smart Wireless Gateway, and ultimately the host system, the transmitter must be configured to communicate on the wireless network. This step is the wireless equivalent of connecting wires from a transmitter to the host system.

The Network ID and Join Key may be obtained from the Smart Wireless Gateway's integrated web interface on the Setup > Network > Settings page, as shown in Figure 4-7.

Figure 4-7. Gateway Network Settings

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4.5.5 Enter Network ID and Join Key

The devices must be configured with the same Network ID and Join Key as the Gateway in order to join the network. Use a Field Communicator or AMS Wireless Configurator to enter the Network ID and Join Key so they match the Network ID and Join Key of the Gateway.

1. From the Home screen, select Configure.

2. Go to Guided Setup > Wireless Setup.

3. Click Join Device to Network, and follow the instructions.

If the device is not to be commissioned yet, remove the power module and fasten the housing cover. This is to conserve power module life and to ensure safe transmitter transportation. The power module should be inserted only when the device is ready to be commissioned.

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4.5.6 Verify device joins network

Network connection can be verified in four ways, further described in this section:

1. At the device display

2. Using the AMS Wireless Configurator

3. In the Smart Wireless Gateway's integrated web interface

4. Using the Field Communicator

If the Rosemount 3308 Series was configured with the Network ID and Join Key, and sufficient time has passed, the transmitter should be connected to the network. It usually takes a few minutes for the device to join the network. If the device has not joined the network, please see

“Wireless Network troubleshooting” on page 82.

Verify by device display

To verify that the device is connected to the network by the display, press the “DIAG” button. The display will show: the Tag, Device Serial Number, Software Revision, Network ID, Network Connection Status, and Device Status screens. Refer to “Diagnostic button screen sequence” on

page 64.

Section 4: Configuration

December 2014

When the network diagnostic status is displayed as “NETWK OK”, the device has successfully joined the network. When joining the wireless network, the status displayed will be changed through the sequence until the device finally has joined the network. Figure 4-8 on page 54 presents the different network connection status screens.

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Section 4: Configuration

December 2014

Figure 4-8. Network Connection Status Screens

Network Unknown Network Restarted Network Idle

The device is still in the process of being activated.

The device has just restarted.

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The device is starting to join the process.

Disconnected from Network

The device is in a disconnected state and requires a “Force Join” command to join the network.

Connected but in a “quarantined” state

The device is connected to the network, but is in a “quarantined” state.

Searching for Network Joining the Network

The device is searching for the network.

Connected with Limited

The device is attempting to join the network.

Connected

Bandwidth

The device is joined and operational, but is running with limited bandwidth for

The device has successfully joined the network.

sending periodic data.

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Verify with AMS Wireless Configurator

Start the AMS Wireless Configurator. When the device has joined the network, it will appear in the AMS Wireless Configurator window as illustrated in Figure 4-9.

Figure 4-9. AMS Wireless Configurator Screen

Figure 4-10 presents the different network connection status images that are shown in the AMS

Wireless Configurator Overview screen.

Section 4: Configuration

December 2014

Figure 4-10. Network Connection Status Images

Not Connected Searching Joining

Limited Bandwidth Connected

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Section 4: Configuration

December 2014

Verify by Gateway

To use the Smart Wireless Gateway's integrated web interface, navigate to the Explorer > Status page as shown in Figure 4-11. This page shows whether the device has joined the

network and if it is communicating properly.

Locate the device in question and verify all status indicators are good (green). It may take several minutes for the device to join the network and be seen on the Gateway's integrated web interface.

Figure 4-11. Smart Wireless Gateway Explorer Status Page

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Verify with Field Communicator

Connect the Field Communicator as shown in Figure 4-6 on page 50. Do not remove the power module. Removing the power module may cause the device to drop off the network.

Note

In order to communicate with a Field Communicator, the device must be powered by the power module.

To verify the device has joined the network, do the following:

1. From the Home screen, select Service Tools > Communications.

2. Click Join Status, and follow the instructions.

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Field Communicator

HART Modem

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4.6 Configure device using Guided Setup

4.6.1 Connect to device

Connect to the device using your preferred configuration tool, as shown in Figure 4-12 and

Figure 4-13.

AMS Wireless Configurator: Field Communicator:

a. Start AMS Wireless Configurator. b. Select Device Connection View in

the View menu.

c. Double click on the device under the

HART modem.

Figure 4-12. Connect to Device - Point-to-Point

a. Turn on the Field Communicator. b. Tap the HART symbol from the

main menu.

c. The Field Communicator now

connects to the device.

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Configuration

Figure 4-13. Connect to Device - Wirelessly

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4.6.2 Basic Setup

All Basic Setup parameters are described in the section “Configuration parameters” on

page 160.

Figure 4-14. Guided Setup Screen

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1. From the Home screen, select Configure.

2. Go to Guided Setup > Initial Setup.

3. Click Basic Setup, and follow the instructions.

4.6.3 Optional Setup

Consider Optional Setup such as Volume, Device Display, Echo Tuning, and Check Level Response, found in the Guided Setup. Run Check Level Response to review the maximum level change between updates with the current configuration.

1. From the Home screen, select Configure.

2. Go to Guided Setup > Optional Setup.

3. Click the selected Optional Setup, and follow the instructions.

Additional configuration parameters are available in the Manual Setup menu. For further information about the parameters see “Configuration parameters” on page 160.

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Repor ted level

Actual level

Positive Calibration Offset value

Negative Calibration Offset value

00809-0100-4308, Rev BA

4.7 Verify Level

Run the Verify Level tool to match the product level reported by the device to a reference measurement (measured by using for example handgauging). If any difference, the Calibration Offset parameter will be adjusted as shown in Figure 4-15.

A minor adjustment using Calibration Offset is normal. There may, for example be a deviation between the actual tank height and the configured value.

Non-metallic (e.g. plastic) vessels and installation geometry may introduce an offset for the Upper Reference Point. This offset may be up to ± 2 in. (50 mm). The offset can be compensated for using Calibration Offset.

Note

Before running Verify Level, make sure that; the product surface is calm, the tank is not being filled or emptied, and the actual level is well above the probe end.

To run Verify Level, do the following:

1. From the Home screen, select Configure.

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December 2014

2. Go to Guided Setup > Initial Setup.

3. Click Verify Level to check your level measurement, and follow the instructions.

Figure 4-15. Calibration Offset

Configuration

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Configuration

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Section 5 Operation

Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 61

Device display screen messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 63

View measurement values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 66

Check Device Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 67

5.1 Safety messages

Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operations. Information that potentially raises safety issues is

indicated by a warning symbol ( ). Please refer to the following safety messages before performing an operation preceded by this symbol.

Section 5: Operation

December 2014

Explosions could result in death or serious injury.

Verify that the operating environment of the gauge is consistent with the appropriate hazardous locations certifications.

Installation of device in an explosive environment must be in accordance with appropriate local, national and international standards, codes, and practices.

Ensure device is installed in accordance with intrinsically safe or non-incendive field practices.

Electrical shock can result in death or serious injury.

Ground device on non-metallic tanks (e.g. fiberglass tanks) to prevent electrostatic charge build-up.

Single lead probes are sensitive for strong electromagnetic fields and therefore not suitable for non-metallic tanks.

Care must be taken during transportation of power module to prevent electrostatic charge build-up.

Device must be installed to ensure a minimum antenna separation distance of 8 in. (20 cm) from all persons.

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Section 5: Operation

December 2014

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Process leaks could result in death or serious injury.

Handle the transmitter carefully. If the process seal is damaged, gas could escape from the tank when removing the

transmitter head from the probe. Only qualified personnel should install the equipment. Do not remove the transmitter while in operation.

To ensure long life for your radar transmitter, and to comply with hazardous location installation requirements, tighten covers on both sides of the electronics housing.

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5.2 Device display screen messages

The device display can be used to present different variables and a diagnostic screen sequence.

5.2.1 Variable screens

If the Display Mode is set to Periodic, the device display shows a periodic sequence of user-chosen variables during operation. A new screen appears according to configured wireless update rate. The device display will also show ALERT PRESNT if at least one alert is present. For information on how to configure the device display, see “Device Display” on page 165.

The Rosemount 3308 Series Transmitter can display the following variables.

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December 2014

Percent of Range Level Distance

Total Volume Interface Distance Interface Level

Upper Product Thickness Electronics Temperature

Supply Voltage

Operation

Signal Quality

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Section 5: Operation

December 2014

5.2.2 Diagnostic button screen sequence

The diagnostic button screen sequence on the device display can be used to obtain detailed diagnostic information. Do the following:

1. Unscrew the device display cover.

2. Press and hold the “DIAG” button until the first diagnostic button screen appears on the device display. Then release the “DIAG” button.

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3. The device display will now automatically show the diagnostic screens as illustrated in

Figure 5-1.

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Figure 5-1. Diagnostic Button Screen Sequence

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December 2014

1. Device Information: Tag 2. Device Serial Number 3. Software Revision

User entered tag which is 8 characters long. This screen

Used to determine Device Serial Number.

Used to determine Device

Software Revision. will not display if all characters are blank.

4. Network ID 5. Network Connection Status 6. Active Alert Screens

(if present)

Used to determine the entered Network ID in the device.

The screen displayed is dependent on the progress of the device in joining the wireless network. See Figure 4-8 on

page 54 for more information.

See “Device display alerts”

on page 72 for a full list of

Active Alerts that may

appear on this position of

the sequence.

7.Variable Screens 8. Active Alert Present

At the end of the sequence, the device display shows all selected variable screens.

This screen will only appear if there is at least one Active Alert present. For detailed information of the failure source and recommended actions, go to the Active Alerts screen in

AMS

Wireless Configurator or Field Communicator. Refer to

“Check Device Status” on page 67.

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December 2014

5.3 View measurement values

Measurement values can be viewed using AMS Wireless Configurator and Field Communicator.

5.3.1 View current measurement values

Current measurement data of the Primary Variable (PV) and Secondary Variable (SV) are presented on the Overview screen. To view all current measurement values, do the following:

1. From the Home Screen, go to Service Tools > Variables.

2. Select the desired group of measurement values to view.

 To view gauges for the Primary Variable (PV), Secondary Variable (SV), Third

Variable (TV) and Fourth variable (QV), click Mapped Variables.

 To view process values such as Level, Distance, Percent of Range, click Process.  To view device values such as Electronics Temperature, Supply Voltage, click Device.  To view Signal Quality, click Signal Quality.

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5.3.2 View trends

1. From the Home Screen, go to Service Tools > Trends.

2. Select to log measurement values either in a graph or a table.

 To log Level and Interface Level values in a graph, click Level.  To log Distance values in a graph, click Distance.  To log Total Volume in a graph, click Volume.  To log Signal Quality in a graph, click Signal Quality.  To log the trend of 12 data points shown in a table, click Data History, and then click

View Data History. See “Configure Data History” on page 166 for information on how to configure device variable for recording and time between samples.

Note

Values are logged in the trend graphs only as long as the Tr en ds item is selected.

5.3.3 Interpret measurement status bars

A “Good” or “Bad” status next to a value is an indication of the reliability or integrity of the data being received, not an indication of whether or not the value is within the configured upper or lower ranges. A value that triggers an alert, such as a high or low temperature indication, will change the overall status of the device, but the measurement might still be indicated as “Good” if the reliability of the data is good.

Figure 5-2. Measurement Status Bars

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5.4 Check Device Status

The overall device status is presented in AMS Wireless Configurator and Field Communicator under the Overview screen. The Rosemount 3308 Series reports diagnostic alerts when there is a device malfunction. For information on these alerts, see “Alert messages in AMS Wireless

Configurator and Field Communicator” on page 74. The device can also be configured to report

user defined alerts based on the measured variables, see “Alert Setup” on page 173 for more information.

To check device status and see whether there are any Active Alerts reported, do one of the following:

 The overall device status is presented in the Overview screen. If status is anything than

Good, click the button in the device status image to open a window with Active Alerts. The different device status images can be found in Tab l e 5 - 1.

 Active Alerts can also be obtained via Service Tools > Active Alerts.

Table 5-1. Presentation of Device Status Images

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December 2014

Device Status Image Condition

Good: No active alert.

Failed: At least one Failure Alert is active. Click

the Troubleshoot button to open a window with Active Alerts together with recommended actions.

Maintenance: At least one Maintenance Alert is active (and no Failed alerts). Click the Investigate button to open a window with Active Alerts together with recommended actions.

Advisory: At least one Advisory Alert is active (and no Failed or Maintenance Alerts). Click the Investigate button to open a window with Active Alerts together with recommended actions.

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December 2014

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Operation

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Section 6: Service and Troubleshooting

December 2014

Section 6 Service and Troubleshooting

Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 69

Alert messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 72

Troubleshooting guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 78

Service and troubleshooting tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 83

Application challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 91

Power module replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 97

Transmitter head replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 99

Probe replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 100

6.1 Safety messages

Procedures and instructions in this section 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 ( ). Please refer to the following safety messages before performing an operation preceded by this symbol.

Failure to follow safe installation and servicing guidelines could result in death or serious injury.

Make sure the transmitter is installed by qualified personnel and in accordance with applicable code of practice.

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 gauge is consistent with the appropriate hazardous locations certifications.

Installation of device in an explosive environment must be in accordance with appropriate local, national and international standards, codes, and practices.

Ensure device is installed in accordance with intrinsically safe or non-incendive field practices.

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December 2014

Electrical shock can result in death or serious injury.

Ground device on non-metallic tanks (e.g. fiberglass tanks) to prevent electrostatic charge build-up.

Single lead probes are sensitive for strong electromagnetic fields and therefore not suitable for non-metallic tanks.

Care must be taken during transportation of power module to prevent electrostatic charge build-up.

Device must be installed to ensure a minimum antenna separation distance of 8 in. (20 cm) from all persons.

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Process leaks could result in death or serious injury.

transmitter head from the probe.

To ensure long life for your radar transmitter, and to comply with hazardous location installation requirements, tighten covers on both sides of the electronics housing.

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.

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Section 6: Service and Troubleshooting

December 2014

Use caution when handling the Power Module. The Power Module may be damaged if dropped from heights in excess of 20 ft (6 m).

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December 2014

6.2 Alert messages

6.2.1 Device display alerts

The following active alert screens will show the device diagnostics depending on the state of the device.

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If the device display shows ALERT PRESNT but none of the following screens appear, then go to the Active Alerts screen in AMS

information.

For detailed information of the failure source and recommended actions, go to the Active Alerts screen in AMS Wireless Configurator or Field Communicator, see “Alert messages in AMS

Wireless Configurator and Field Communicator” on page 74.

Wireless Configurator or Field Communicator for further

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Section 6: Service and Troubleshooting

December 2014

Figure 6-1. Active Alerts Screens

Bandwidth Limited Configuration Warning Configuration Failure Electronics Warning

The device has not yet received all of the requested wireless bandwidth needed to operate as configured. See

The device has detected a configuration error. Non-critical operation of the device may be affected.

The device has detected a configuration error. Critical operation of the device may be affected.

There is a warning which should be addressed but should not affect the device output.

“Wireless Network troubleshooting” on page 82 for recommended

actions.

Electronics Failure Radio Failure Sensor Warning Sensor Failure

An electronics error that could impact the device measurement reading has occurred.

The wireless radio has detected a failure or stopped communicating.

A sensor attached to the transmitter is degraded. Readings from that sensor may not be within accuracy specifications.

A sensor attached to the transmitter has failed, and valid readings from that sensor are no longer possible.

Supply Voltage Low Supply Voltage Failure

The voltage is below the recommended operating range. Replace the Power Module, see “Power

module replacement” on page 97.

The supply voltage is too low and will affect device operation. Replace the Power Module, see “Power

module replacement” on page 97.

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6.2.2 Alert messages in AMS Wireless Configurator and Field Communicator

Ta bl e 6 - 1 to Ta bl e 6 - 4 shows list of alert messages that may be displayed in the AMS Wireless

Configurator and Field Communicator.

To view Active Alerts, do the following:

 From the Home Screen, go to Service Tools > Active Alerts.

Table 6-1. Failure Alerts (F:)

Message Description Recommended actions

Electronics Failure An electronics error that could impact

the device measurement reading has occurred.

Radio Failure The wireless radio has detected a failure

or stopped communicating.

Supply Voltage Failure The supply voltage is too low and will

affect device operation.

Probe Disconnected The device cannot detect the probe.

Electronics Temperature Critical

Remote Housing Error The device has detected a problem

Configuration Error The device has detected a configuration

The internal temperature of the device has reached critical levels and the integrity of the device electronics may be compromised. Environmental temperature should not exceed device specifications.

associated with the remote housing.

error. Reasons may be multiple. See Ta bl e 6 - 2 for a list of detailed Configuration Errors that may be displayed.

1. Restart the device.

2. Restore default settings and reconfigure the device.

3. If the condition persists, replace the device.

1. Restart the device.

2. If the condition persists, replace the device.

1. Replace the Power Module, see “Power

module replacement” on page 97.

1. Check that the probe connection is properly tightened.

2. Check that the probe connection is dry and clean.

3. Restart level measurements.

4. If the condition persists, replace the device and/or the probe.

1. Verify that ambient temperature is within the specified range. For more information about the maximum ambient temperature, see “Temperature limits” on page 103.

2. Remote mount the transmitter head away from the process and environmental conditions.

3. Restart the device.

4. If the condition persists, replace the device.

1. Correct remote housing configuration to match connected remote housing cable.

2. Check remote housing cable.

1. Click on the Details button for more information.

2. Correct the parameter causing the configuration error.

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Section 6: Service and Troubleshooting

Table 6-2. Configuration Error Details (D:)

Message Description Recommended actions

December 2014

Lower Range Value or Upper Range Value is out of limits

The lower/upper range value is outside the lower/upper sensor limits. This is outside the range where the sensor works properly, hence the measurement may be unreliable.

Configured Measurement Mode not Supported

The configured Measurement Mode does not work since support has not been purchased.

Volume Configuration Error The volume cannot be calculated

correctly with the current configuration.

Parameter Out of Limits One or more of the configuration values,

in a set that belongs together, has been changed and reduced the measurement range of the device.

Low Low Level Alert configuration is invalid

Low Low Level Alerts will not be raised as expected because of invalid configuration.

Low Level Alert configuration is invalid

Low Level Alerts will not be raised as expected because of invalid configuration.

High Level Alert configuration is invalid

High Level Alerts will not be raised as expected because of invalid configuration.

High High Level Alert configuration is invalid

High High Level Alerts will not be raised as expected because of invalid configuration.

User Defined Alert configuration is invalid

User Defined Alerts will not be raised as expected because of invalid configuration.

Signal Quality Alert configuration is invalid

Signal Quality Alerts will not be raised as expected because of invalid configuration.

1. Check the lower and upper range values in relation to the sensor limits.

1. Upgrade the device.

2. Change the Measurement Mode to match, refer to “Measurement Mode” on page 162.

1. Check that the level-volume values in the strapping table are entered in increasing order, refer to “Strapping Table” on

page 172.

2. Check that the number of strapping points to use is correct.

3. Check size measures in the Volume Setup.

1. Check the configured values for Probe Length, Vapor Dielectric Constant, and Upper Product Dielectric Constant.

2. Restore default settings and reconfigure the device.

1. Check entered limit and deadband values in comparison with entered tank and probe parameters such as probe length, tank height etc.

1. Check entered limit and deadband values in relation to the selected variable.

1. Check entered limit and deadband values regarding their range [0.1 – 10.0] and mutual relationship.

No user configuration errors detected

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No user configuration errors detected.

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Table 6-3. Maintenance Alerts (M:)

Message Description Recommended actions

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Supply Voltage Low The supply voltage is low and may affect

Device Operation.

Electronics Temperature Out of Limits

The temperature of the electronics board has exceeded the transmitter’s operating range.

Level Measurement Lost No valid Level reading. Reasons may be

multiple:

- No valid surface echo peak in the measuring range.

- Incorrect transmitter configuration.

Simulation Active The device is in simulation mode and is

not reporting actual information.

Low Signal Quality The Signal Quality is below the defined

alert limit.

1. Replace the Power Module, see “Power

module replacement” on page 97.

1. Verify that ambient temperature is within the operating range.

2. Restart the device.

3. Remote mount the transmitter head away from the process and environmental conditions.

4. If the condition persists, replace the device.

1. Analyze the Echo Curve for reason and check device configuration, especially thresholds, Near Zone, Maximum Level Rate and settings on the Lost Measurement tab in the Alert Setup.

2. Check device physical installation (for instance probe contamination).

3. Restart level measurement.

4. Restore default settings and reconfigure the device.

5. If the condition persists, replace the device.

1. If this behavior is not desired, stop simulation mode.

2. If the condition persists, restart level measurements.

1. Take action based on your intended use of this alert.

2. Clean the probe.

3. If no actions were necessary, consider to change the limit.

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Section 6: Service and Troubleshooting

Table 6-4. Advisory Alerts (A:)

Message Description Recommended actions

December 2014

Database Memory Warning The device has failed to write to the

database memory at some time in the past. Any data written during this time may have been lost.

Non-Critical User Data Warning

A user written parameter does not match expected value.

Volume Range Warning The level measurement is outside the

configured volume range.

Button Stuck The button on the Electronics Board is

detected as stuck in the active position.

HiHi Level Alert The level is above the defined limit.

Hi Level Alert The level is above the defined limit.

Lo Level Alert The level is below the defined limit.

LoLo Level Alert The level is below the defined limit.

User Defined Alert The variable has surpassed the user

defined limit.

1. If logging dynamic data is not needed, this advisory alert can be safely ignored.

2. Restart the device.

3. Reconfirm all configuration items in the device.

4. Restore default settings and reconfigure the device.

5. If the condition persists, replace the device.

1. Restart the device.

2. Reconfirm all configuration items in the device.

3. Restore default settings and reconfigure the device.

4. If the condition persists, replace the device.

1. Check volume configuration.

1. Check the buttons for obstructions.

2. If the condition persists, restart the device.

3. If the condition persists, replace the device.

1. Bring the system to a safe state.

2. Verify that the level is within specified limits.

3. Reconfirm the level alert limit.

4. If not needed, disable this alert.

1. Bring the system to a safe state.

2. Verify that the level is within specified limits.

3. Reconfirm the level alert limit.

4. If not needed, disable this alert.

1. Bring the system to a safe state.

2. Verify that the level is within specified limits.

3. Reconfirm the level alert limit.

4. If not needed, disable this alert.

1. Bring the system to a safe state.

2. Verify that the level is within specified limits.

3. Reconfirm the level alert limit.

4. If not needed, disable this alert.

1. Bring the system to a safe state.

2. Verify that the process variable is within user specified limits.

3. Reconfirm the user defined alarm limit.

4. If not needed, disable this alert.

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Section 6: Service and Troubleshooting

December 2014

6.3 Troubleshooting guide

If there is a malfunction despite the absence of alerts, see Ta b l e 6 .3 . 1 for information on possible causes and recommended actions.

The troubleshooting guide contains the following symptoms:

 Incorrect level readings, see page 78.  Incorrect or missing interface level reading, see page 80.  Power module troubleshooting, see page 81.  Device display troubleshooting, see page 81.  Wireless Network troubleshooting, see page 82.

6.3.1 Incorrect level readings

Symptom Possible cause and recommended actions

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The level readings do not correspond to a reference measurement, for example a handgauged value.

There is no level reading.

Level spikes or level is suddenly reported as full or empty.

 Check the Tank Height parameter, refer to

“Tank Height” on page 161.

 Check Thresholds, refer to “Ad jus ti ng

thresholds” on page 84.

 Run Verify Level, see “Verify Level” on

page 59.

 Check transmitter configuration. Run Basic

Setup, refer to “Basic Setup” on page 58.

 The tank is empty. No action is needed.  Check Thresholds, refer to “Ad jus ti ng

thresholds” on page 84.

 Check the Upper Product Dielectric

Constant, see “Upper Product Dielectric

Constant” on page 163.

 The transmitter is configured with wrong

Probe Type, refer to “Probe Type” on

page 161.

 Check Thresholds, see “A dj ust in g

thresholds” on page 84.

 The transmitter has locked on disturbing

obstacles at top of the tank. See “Handling

disturbances at the top of the tank” on page 92 for recommended actions.

 The surface is turbulent. Set the

Performance Mode to High to get a stable measurement signal, refer to “Noise or weak

surface echoes” on page 97.

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Section 6: Service and Troubleshooting

December 2014

Symptom Possible cause and recommended actions

Level stuck in full.

Level stuck in measuring range.

Level stuck in empty.

Level fluctuations (a couple of inches).

 The tank is full. Check the product level.  Check Thresholds, see “A dj ust in g

thresholds” on page 84.

 The transmitter has locked on disturbing

obstacles at top of the tank. See “Handling

disturbances at the top of the tank” on page 92 for recommended actions.

 The transmitter is configured with wrong

Probe Type, refer to “Probe Type” on

page 161.

 The reference peak is not detected since it is

weaker than the Reference Threshold. Adjust Reference Threshold to an appropriate value so that reference peak is not filtered out. Refer to “Adjusting thresholds” on page 84.

 May be caused by a disturbing object in the

tank. Read the Echo Curve and adjust Thresholds, see “Adjusting thresholds” on

page 84.

 Check if the probe is bent and in contact with

the tank wall. This contact causes a false echo reading.

 Heavy coating or contamination on the

probe. Clean the probe.

 Thresholds may be too high, see “Ad jus ti ng

thresholds” on page 84.

 There is too much disturbing noise in the

tank (from foam, splashing etc.). Set the Performance Mode to High to get a stable measurement signal, refer to “Noise or weak

surface echoes” on page 97.

 There are rapid level changes in the tank.

Select a faster Update Rate, refer to

“Configure Update Rate” on page 51.

 Thin oil layer on top of water that is

sometimes detected, sometimes not. Set the Peak Detection Method to Threshold Intersection to improve the stability of level measurements in such applications. Refer to

“Resolving thin oil layers” on page 91.

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6.3.2 Incorrect or missing interface level reading

Symptom Possible cause and recommended actions

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Incorrect Interface Level reading.

Missing Interface Level reading (reported as NaN).

There are two products in the tank, but only the product surface or interface is detected.

There are two products in the tank, but no readings are reported.

There is only oil in the tank but the transmitter reports water.

There is only water in the tank but the transmitter reports oil.

 The Upper Product Dielectric Constant is not

correct, see “Upper Product Dielectric

Constant” on page 163.

 Air gap is too big when the Measurement

Mode is set to Interface Level with Submerged Probe. Reduce air gap or switch the Measurement Mode to Produc t Level and Interface Level.

 The Measurement Mode is set to Product

Level. Set Measurement Mode to Product Level and Interface Level, refer to

“Measurement Mode” on page 162.

 The Interface Peak is difficult to detect,

because the bottom product has a low dielectric constant, or the signal is attenuated in the upper product. Check Thresholds. For more information, see

“Example 2: Interface Peak not found” on page 88.

 The upper product is too thin to be detected.

No action is needed. See “Interface

measurements” on page 106 for minimum

interface thickness for different probe types.

 Check Thresholds, see “A dj ust in g

thresholds” on page 84.

 Check Thresholds, see “A dj ust in g

thresholds” on page 84.

 Check Thresholds, see “A dj ust in g

thresholds” on page 84.

 Make sure the Typical Interface Condition is

set to Layer at the bottom (thin) if you typically have a thin layer at the bottom, see

“Typical Interface Condition” on page 164.

 Check Thresholds, see “A dj ust in g

thresholds” on page 84.

 Make sure the Typical Interface Condition is

set to Layer on Top (Thin) if you typically have a thin layer at the top, see “Typical Interface

Condition” on page 164.

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6.3.3 Power module troubleshooting

Symptom Possible cause and recommended actions

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December 2014

The Power Module seems to run out of battery

 Consider Update Rate, refer to “Configure

very fast.

 Consider Performance Mode, refer to

 Check that Power Mode is set to Normal, see

 Verify device is not installed in extreme

 Verify that device is not a network pinch

6.3.4 Device display troubleshooting

Symptom Possible cause and recommended actions

The device display is not functioning.

 Display Mode is set to Disabled. Set Display

 Reseat the device display according to

Update Rate” on page 51. Selecting a fast

update rate has an impact on Power Module life.

“Performance Mode” on page 167. The

Power Module life is reduced if Performance Mode is set to High.

“Power Mode” on page 168.

temperatures.

point.

Mode to On Demand or Periodic, refer to

“Display Mode” on page 165.

“Utilize the device display” on page 39.

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Section 6: Service and Troubleshooting

December 2014

6.3.5 Wireless Network troubleshooting

Symptom Possible cause and recommended actions

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The device is not joining the wireless network.

Limited Bandwidth error

 Verify Network ID and Join Key. The Network

ID and Join Key in the device must match the Network ID and Join Key of the Gateway, refer to “Obtain Network ID and Join Key” on

page 52 and “Enter Network ID and Join Key” on page 52.

 Enable High Speed Operation on the Smart

Wireless Gateway.

 Check Power Module.  Verify that Active Advertising has been

enabled on the Smart Wireless Gateway.

 Verify device is within range of at least one

other wireless device or the Smart Wireless Gateway, see “Network Join Details” on

page 90.

 Verify device is configured to join. Send the

“Join Now” command to the device, see

“Network Join Details” on page 90.

 See the Troubleshooting section in the

Gateway Reference Manual (document number 00809-0200-4420) for more information.

 Reduce the Update Rate on transmitter, refer

to “Configure Update Rate” on page 51.

 Increase communication paths by adding

more wireless points.

 Check that device has been online for at least

an hour.

 Check that device is not routing through a

“limited” routing node.

 Create a new network with an additional

Smart Wireless Gateway.

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Interface Peak

Product Surface Peak

Reference Peak

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Section 6: Service and Troubleshooting

6.4 Service and troubleshooting tools

This section briefly describes tools and functions in the AMS Wireless Configurator and Field Communicator which may be useful for service and troubleshooting of Rosemount 3308 Series Tr an sm i tt er.

6.4.1 Reading the Echo Curve

The AMS Wireless Configurator and Field Communicator have powerful tools for advanced troubleshooting. By using the Echo Curve function you get a view of the tank signal. Measurement problems can be solved by studying the position and amplitude of the different peaks.

To read the echo curve, do the following:

1. From the Home Screen, go to Service Tools > Echo Tuning > Echo Curve.

2. AMS Wireless Configurator: In the dialog box, click Next > to start reading the echo curve. The reading may take several minutes.

December 2014

Field Communicator: Click Echo Curve and follow the on-screen instructions. The reading may take several minutes.

Figure 6-2. Echo Curve Plot in AMS Wireless Configurator

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Section 6: Service and Troubleshooting

The echo peak is below the threshold (dotted line) and is suppressed by the device.

DISTANCE

AMPLITUDE

This echo peak is interpreted as the product surface, since it is the first peak closest to device that is above the surface threshold.

Threshold

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6.4.2 Adjusting thresholds

Measurement with the Rosemount 3308 is based on the fact that the radar signal pulses are reflected by the product surface and the interface between two liquids. Signal amplitude thresholds are used to separate the measurement signal from disturbing echoes and noise.

By default, the amplitude thresholds are automatically adjusted to appropriate values in order to filter out noise and other non-valid measurements from the measurement signal, as illustrated in Figure 6-3. The configured Upper Product Dielectric Constant is used for setting the automatically calculated amplitude thresholds. Normally no other threshold adjustment is needed. But if the transmitter still does not track for example the product surface, it may be necessary to manually adjust the thresholds.

Figure 6-3. Threshold Principle

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3.0

The different amplitude thresholds used for the Rosemount 3308 Series Transmitter are described in section “Thresholds” on page 176.

Note

Before changing the amplitude thresholds, check that the Upper Product Dielectric Constant parameter is set as accurately as possible. The Upper Product Dielectric Constant is used for setting the automatically calculated amplitude thresholds.

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AMPLITUDE

DISTANCE

Surface Threshold

Surface echo

About 1/3 of surface

echo amplitude

AMPLITUDE

DISTANCE

Surface Threshold

Surface echo

At least 3 Cnts margin

AMPLITUDE

DISTANCE

Surface Threshold

At least 3 Cnts margin

Disturbance

Surface echo

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Guidelines for setting the Surface Threshold

Before changing the Surface Threshold, make sure the product level is at least 20 in. (0.5 m) from the lower side of the device flange.

 Set the Surface Threshold to about 1/3 of the weakest surface echo amplitude in the

 Surface Thresholds should never be set to values less than 4 Cnts.

Section 6: Service and Troubleshooting

December 2014

measuring range.

 Make sure to include a 3 Cnts margin between the Surface Threshold and the surface

echo amplitude over the entire measuring range.

 The Surface Threshold should be at least 3 Cnts greater than the amplitude of

disturbances.

Contact Emerson Process Management Service Department if the transmitter is still having difficulties to track the product surface after applying the guidelines.

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Guidelines for setting the Interface Threshold

 The Interface Threshold should be approximately 50% of the interface signal amplitude.  If possible, Interface Threshold should be higher than Surface Threshold.

Procedure for adjusting thresholds

To adjus t the amplitude thresholds, do the following:

1. Read the Echo Curve:

a. Start the Echo Curve reading, refer to “Reading the Echo Curve” on page 83. b. View the Echo Curve plot and check the relation between amplitude threshold and

corresponding signal amplitude peak.

2. Adjust the Threshold:

a. From the Home Screen, go to Service Tools > Echo Tuning > Thresholds. b. Under Threshold Control, select User Defined. c. If using Field Communicator, click Send. The Threshold values can now be

changed.

d. Select desired Threshold to adjust, type the new value into the box and then click

Send. See also “Guidelines for setting the Surface Threshold” on page 85.

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Restore default thresholds

Do the following:

1. From the Home Screen, go to Service Tools > Echo Tuning > Thresholds.

2. Under Threshold Control, select Default (Automatic) and then click Send.

Example 1: Product Surface Peak not found

If the transmitter does not track the product surface correctly, it may be necessary to adjust the threshold values. In Figure 6-4, the Surface Threshold is too high and as a result the product level will not be detected. In a situation like this, the Surface Threshold has to be lowered so that the surface peak is not filtered out.

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Surface Threshold is above the Product Surface peak

DISTANCE

AMPLITUDE

100

-60

-40

-20

100

150

200

250

Actual product surface

Disturbing echo misinterpreted as product surface

AMPLITUDE

DISTANCE

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Figure 6-4. Surface Threshold Is Too High

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December 2014

100

-20

-40

-60

250

200

150

100

If there are disturbing objects in the tank, the Surface Threshold must be carefully set to avoid locking on the wrong amplitude peak. In Figure 6-5, the Surface Threshold is too low, and as a result the transmitter has locked on a peak above the actual product surface. A disturbance was interpreted as the product surface, since this was the first amplitude peak closest to device that went above Surface Threshold. The actual product surface was interpreted as the interface or the probe end.

Figure 6-5. Surface Threshold Is Too Low

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100

-60

-40

-20

100

150

200

250

After Surface Threshold is adjusted the product surface is correctly detected

AMPLITUDE

DISTANCE

The Interface Threshold is above the Interface Peak

AMPLITUDE

DISTANCE

Surface Threshold

Product Surface Peak

December 2014

By adjusting the Surface Threshold the product surface is properly detected as illustrated in

Figure 6-6:

Figure 6-6. Echo Curve Plot after Surface Threshold Was Adjusted

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Example 2: Interface Peak not found

In interface applications where the bottom product has a relatively low dielectric constant (<40), or if the signal is attenuated in the upper product, the amplitude of the reflected signal from the interface is relatively low and difficult for the transmitter to detect. In such a case it may be possible to detect the reflected signal from the interface if the Interface Threshold is adjusted.

Figure 6-7 illustrates a situation where the Interface Threshold is too high. The signal amplitude

peak at the interface between the upper and lower products is not detected in this case.

Figure 6-7. Echo Curve Plot Indicating that the Interface Threshold for the Interface Peak Is Too High

Service and Troubleshooting

Emerson 3308A Rosemount 3308 Series Reference Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Rosemount 3308 Series Wireless Guided Wave Radar, 3308A

Contents

Section 1 Introduction

1.1 Service support

1.2 Product recycling/disposal

Section 2 Transmitter Overview

2.1 Theory of operation

2.2 Emerson's Smart Wireless

2.3 Application characteristics

2.3.1 Tank shape

2.3.2 In-tank obstructions

2.3.3 Interface level measurement

2.4 Application examples

2.5 Components of the transmitter

2.6 Probe selection guide for the Rosemount 3308 Series Transmitter

Section 3 Installation

3.1 Safety messages

3.2 Installation procedure

3.3 Review mounting considerations

3.3.1 Recommended mounting position

3.3.2 Flange connection on nozzles

3.3.3 Non-metallic tanks

3.4 Review mounting preparations

3.4.1 Measure tank height

3.4.2 Shorten the probe

3.4.3 Mount a centering disc for pipe installations

3.5 Anchor the probe

3.5.1 Flexible single/twin lead probe

3.5.2 Rigid single lead probe

3.5.3 Coaxial probe

3.6 Mount device on tank

3.6.1 Threaded tank connection

3.6.2 Tank connection with flange

3.6.3 Tank connection with loose flange (“plate design”)

3.6.4 Tank connection with Tri-Clamp

3.7 Ground the device

3.8 Install the power module

3.9 Position the antenna

3.10 Utilize the device display

3.10.1 Rotate the device display

3.10.2 Retrofitting

Section 4 Configuration

4.1 Overview

4.2 Safety messages

4.3 Configuration procedure

4.4 Get started with your preferred configuration tool

4.4.1 AMS Wireless Configurator (version 12.0 or later is required)

4.4.2 Field Communicator

4.5 Join device to wireless network

4.5.1 Power up the wireless device

4.5.2 Connect to device

4.5.3 Configure Update Rate

4.5.4 Obtain Network ID and Join Key

4.5.5 Enter Network ID and Join Key

4.5.6 Verify device joins network

4.6 Configure device using Guided Setup

4.6.1 Connect to device

4.6.2 Basic Setup

4.6.3 Optional Setup

4.7 Verify Level

Section 5 Operation

5.1 Safety messages

5.2 Device display screen messages

5.2.1 Variable screens

5.2.2 Diagnostic button screen sequence

5.3 View measurement values

5.3.1 View current measurement values

5.3.2 View trends

5.3.3 Interpret measurement status bars

5.4 Check Device Status

Section 6 Service and Troubleshooting

6.1 Safety messages

6.2 Alert messages

6.2.1 Device display alerts

6.2.2 Alert messages in AMS Wireless Configurator and Field Communicator

6.3 Troubleshooting guide