Emerson Rosemount Ultrasonic 3107 Bedienungsanleitung

Quick Start Guide

00825-0200-4840, Rev BC

August 2019

Rosemount™ 3107 Level and 3108 Flow

Transmitters

Ultrasonic

Contents

About this guide...........................................................................................................................3

Overview of Rosemount 3107 and 3108.......................................................................................6

Considerations before you install................................................................................................. 9

Installation................................................................................................................................. 11

Connecting the transmitter........................................................................................................16

Configuration.............................................................................................................................18

Product Certifications.................................................................................................................33

Quick Start Guide August 2019

2 Rosemount Ultrasonic 3107 Level and 3108 Flow Transmitters

1 About this guide

This installation guide provides basic guidelines for the Rosemount 3107

Level Transmitter and Rosemount 3108 Flow Transmitter. It does not

provide instructions for detailed configuration, diagnostics, maintenance,

service, troubleshooting, or installations. Refer to the Rosemount 3107 and

3108 Reference Manual for more instructions. Manuals are available

electronically on Emerson.com/Rosemount.

August 2019 Quick Start Guide

Quick Start Guide 3

WARNING

Failure to follow these installation guidelines could result in death or

serious injury.

•The Rosemount 3107 and Rosemount 3108 are ultrasonic transmitters.

They must be installed, connected, commissioned, operated, and

maintained by suitably qualified personnel only, observing any national

and local requirements that may apply.

•Use the equipment only as specified. Failure to do so may impair the

protection provided by the equipment.

Explosions could result in death or serious injury.

•Installation of the transmitters in a hazardous environment must be in

accordance with the appropriate local, national, and international

standards, codes, and practices. Please review the Product Certifications

section for any restrictions associated with a safe installation.

•Before connecting a handheld communicator in an explosive

atmosphere, ensure the instruments are installed in accordance with

intrinsically safe or non-incendive field wiring practices.

•Verify that the operating atmosphere of the transmitter is consistent

with the appropriate hazardous locations certifications.

External surface may be hot. Care must be taken to avoid possible burns.

Process leaks could result in death or serious injury.

•Install and tighten process connectors before applying pressure.

•Do not attempt to loosen or remove process connectors while the

transmitter is in service.

Electrical shock could cause death or serious injury.

•Make sure that the transmitter is not powered when making

connections.

•If the liquid level switch is installed in a high voltage environment and a

fault condition or installation error occurs, high voltage may be present

on leads and terminals.

Quick Start Guide August 2019

4 Rosemount Ultrasonic 3107 Level and 3108 Flow Transmitters

WARNING

Physical access

Unauthorized personnel may potentially cause significant damage to

and/or misconfiguration of end users’ equipment. This could be

intentional or unintentional and needs to be protected against.

Physical security is an important part of any security program and

fundamental to protecting your system. Restrict physical access by

unauthorized personnel to protect end users’ assets. This is true for all

systems used within the facility.

August 2019 Quick Start Guide

Quick Start Guide 5

2 Overview of Rosemount 3107 and 3108

The Rosemount 3107 and 3108 are sealed 4–20 mA loop-powered liquid

level transmitters, specifically designed for use in waste water and effluent

treatment plant on aqueous applications.

These rugged UPVC transmitters are certified Intrinsically Safe for use in

Zone 0 areas, and factory fitted with up to 165 ft. (50 m) of two-core cable

for simple low cost installation in sumps, wet-wells and over open channel

flow structures.

The transmitter may be mounted in a hazardous area if powered from a

protected power supply. They can be connected directly to a plant control

system, or used with a Rosemount 3490 Series Control Unit for

programmable control functionality.

Theory of operation

Each transmitter is designed to be mounted above a liquid, and uses

ultrasonic pulses to continuously measure the distance to the liquid surface.

The microprocessor-controlled electronics calculates distance to the liquid

level from the time delay between the transmitting and receiving of signals.

When programmed with the bottom reference of the application – usually

the bottom of a tank – the transmitter will calculate the liquid depth (level),

and output the level (Figure 2-1) as a 4–20 mA signal and a digital HART®

signal.

The Rosemount 3107 and 3108 can also calculate contents (volume) or

open channel flow, and then output the result as a 4–20 mA signal and a

digital HART signal.

Programming is achieved by remote communication using HART.

Quick Start Guide August 2019

6 Rosemount Ultrasonic 3107 Level and 3108 Flow Transmitters

Figure 2-1: Typical Application

A. Rosemount 3108 Flow Transmitter

B. Rosemount 3490 Series Control Unit

C. 4–20 mA signal output

D. Relay

E. Pump

F. Transmitter Bottom Reference

G. 4–20 mA and HART signal input

Components of the transmitter

The transmitter has a housing containing advanced electronics to generate

ultrasonic pulses, process the resultant signals, and provide a 4–20 mA and

HART output.

There is a factory-fitted cable for the signal output and connecting an

external power supply. The Rosemount 3108 has a factory-fitted remote

temperature sensor.

August 2019 Quick Start Guide

Quick Start Guide 7

Figure 2-2: Transmitter Components

A. Mounting bracket

B. Two-core cable

C. 1-in. mounting thread

D. UPVC wetted parts

E. Remote temperature sensor (Rosemount 3108 only)

Quick Start Guide August 2019

8 Rosemount Ultrasonic 3107 Level and 3108 Flow Transmitters

3 Considerations before you install

Install the transmitter where it is protected from ultraviolet radiation to

prevent long-term degradation of the plastics used in its construction (e.g.

shrouded from direct sunlight).

Note

See also Product Certifications for special conditions for safe use.

General

•Installation must be carried out by suitably trained personnel in

accordance with the applicable code of practice.

•If the equipment is likely to come into contact with aggressive

substances, it is the responsibility of the user to take suitable precautions

that prevent it from being adversely affected, thus ensuring that the type

of protection is not compromised.

•Aggressive substances are acidic liquids or gases that may attack metals

or solvents that may affect polymeric materials.

•Suitable precautions are regular checks as part of routine inspections, or

establishing, from the material's data sheet, that it is resistant to specific

chemicals.

•The equipment should only be cleaned with a damp cloth; do not use

solvents.

•The transmitter is double insulated, and therefore protective earthing is

not required. However, the cable screen should be connected (see Figure

5-1).

•Note that if the equipment is used in a manner not specified by the

manufacturer, the protection afforded by the equipment may be

impaired.

•This transmitter is classified Type A in accordance with the European

EMC directive 2004/108/EC. To ensure electro-magnetic compatibility,

in any member state, it should not be installed in a residential area.

Note

It is not advisable to mount the transmitter in close proximity to a source of

electrical noise such as a variable-speed drive, or other high-powered

electrical device.

Environmental

The Rosemount 3107 and 3108 ultrasonic transmitters are Intrinsically Safe

(IS) approved for hazardous area installations.

August 2019 Quick Start Guide

Quick Start Guide 9

•The Rosemount 3107 is designed for open or closed tank installation. It is

weatherproof and protected against the ingress of dust

•The Rosemount 3108 is designed for open channel flow measurement. It

is weatherproof and protected against the ingress of dust

•Avoid installing the Rosemount 3107 and 3108 transmitters near heat

sources

Figure 3-1: Environmental Considerations

OKOK OK

Quick Start Guide August 2019

10 Rosemount Ultrasonic 3107 Level and 3108 Flow Transmitters

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