Emerson Rosemount 702 Manuel utilisateur

Quick Start Guide

00825-0200-4702, Rev HA

April 2021

Rosemount™ 702 Wireless Discrete

Transmitter

Safety messages

WARNING

Explosions could result in death or serious injury.

Installation of this transmitter in an explosive environment must be in accordance with the appropriate

local, national, and international standards, codes, and practices.

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.

Electrical shock can result in death or serious injury.

Avoid contact with the leads and terminals. High voltage that may be present on leads can cause

electrical shock.

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.

CAUTION

Shipping considerations for wireless products.

The unit was shipped to you without the power module installed. Remove the power module prior to

shipping.

Primary lithium batteries are regulated in transportation by the U. S. Department of Transportation,

and 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.

Contents

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

Wireless considerations................................................................................................................4

Physical installation...................................................................................................................... 7

Device network configuration.................................................................................................... 14

Verify operation......................................................................................................................... 15

Reference information: wiring switch inputs, output circuits, and leak sensors...........................19

Safety shower and eye wash monitoring.................................................................................... 40

Product certification...................................................................................................................42

Quick Start Guide April 2021

2 Emerson.com/Rosemount

1 About this guide

This guide provides basic guidelines for the Rosemount 702. It does not

provide instructions for detailed configuration, diagnostics, maintenance,

service, troubleshooting, or installations. Refer to the Rosemount 702

Reference Manual for more instruction. This guide and the manual are

available electronically on Emerson.com/Rosemount.

Model number Functionality Manual

702DX32/42 Two channel discrete I/O Rosemount 702 Wireless

Discrete Transmitter

Reference Manual

702DX61 One channel for nVent™

RAYCHEM liquid

hydrocarbon leak detection

Rosemount 702 Wireless

Discrete Transmitter

Reference Manual

702DX52 Discrete Transmitter for

Plunger Arrival Detection

Rosemount 702 Wireless

Discrete Transmitter Manual

Supplement

April 2021 Quick Start Guide

Quick Start Guide 3

2 Wireless considerations

2.1 Power up sequence

The Wireless Gateway should be installed and functioning properly before

any wireless field devices are powered. Install the Power Module,

SmartPower™ Solutions model number 701PBKKF into the Rosemount 702

Transmitter to power the device. Wireless devices should be powered up in

order of proximity from the Gateway, beginning with the closest device,

then working outward from the Gateway. This results in a simpler and faster

network formation. Enable Active Advertising on the Gateway to ensure new

devices are able to join the network faster. For more information see the

Emerson Wireless 1410S Gateway.

2.2 Antenna position

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 2-1: Antenna Position

2.3 Conduit entry

Upon installation, ensure each conduit entry is either sealed with a conduit

plug using approved thread sealant, or has an installed conduit fitting or

cable gland with appropriate threaded sealant.

Quick Start Guide April 2021

4 Emerson.com/Rosemount

Note

The conduit entries are threaded ½–14 NPT.

Figure 2-2: Conduit Entry

A. Conduit entry

2.4 Field Communicator connections

The power module needs to be installed before the Field Communicator can

interface with the Rosemount 702 Wireless transmitter. For HART® Wireless

Transmitter communication via a Field Communicator, a Rosemount 702

Wireless Device Dashboard (DD) is required. To obtain the latest DD, visit

the Field Communicator System Software and Device Description site at:

Emerson.com/Field-Communicator. This transmitter uses the Black Power

Module; Order model number 701PBKKF.

April 2021 Quick Start Guide

Quick Start Guide 5

Figure 2-3: Connection Diagram

$&%1 2 3

4 5 6

7 8

A. Communication terminals

B. Handheld communicator

C. HART modem

The transmitter and all other wireless devices should not be set up until after

the Wireless Gateway has been installed and is functioning properly.

Quick Start Guide April 2021

6 Emerson.com/Rosemount

3 Physical installation

The Rosemount Transmitter can be installed in one of two configurations:

•Direct mount, where the switch is connected directly to the Rosemount

702 Transmitter housing’s conduit entry.

•Remote mount, where the switch is mounted separate from the

Rosemount 702 Transmitter housing, then connected to the Rosemount

702 Transmitter.

Select the installation sequence that corresponds to the mounting

configuration.

3.1 Direct mount installation

Note

Direct mount installation should not be employed when using tubing and

connectors such as Swagelok® fittings.

Figure 3-1: Direct Mount

A. Rosemount 702 Transmitter

B. Float switch

Procedure

1. Install the switch according to standard installation practices making

sure to use thread sealant on all connections.

2. Attach the Rosemount 702 Transmitter housing to the switch using

the threaded conduit entry.

3. Attach the switch wiring to the terminals as indicated on the wiring

diagram (see Reference information: wiring switch inputs, output

circuits, and leak sensors).

April 2021 Quick Start Guide

Quick Start Guide 7

4. Connect the Power Module.

Note

Wireless devices should be powered up in order of proximity from

the Wireless Gateway, beginning with the closest device to the

Gateway. This will result in a simpler and faster network formation.

5. Close the housing cover and tighten to safety specification. Always

ensure a proper seal so the metal touches metal, but do not over

tighten.

6. Position antenna vertically, either straight up or straight down. The

antenna should be approximately 3 ft. (0.91 m) from any large

structures or buildings, to allow clear communication to other

devices.

Quick Start Guide April 2021

8 Emerson.com/Rosemount

3.2 Remote mount installation

Figure 3-2: Remote Mount

A. Rosemount 702 Transmitter

B. Float switch

Procedure

1. Install the switch according to standard installation practices making

sure to use thread sealant on all connections.

2. Run wiring (and conduit if necessary) from the switch to the

Rosemount 702 Transmitter.

3. Pull the wiring through the threaded conduit entry of the Rosemount

702 Transmitter.

4. Attach the switch wiring to the terminals as indicated on the wiring

diagram (see Reference information: wiring switch inputs, output

circuits, and leak sensors).

5. Connect the power module.

Note

Wireless devices should be powered up in order of proximity from

the Wireless Gateway, beginning with the closest device to the

gateway. This will result in a simpler and faster network formation.

April 2021 Quick Start Guide

Quick Start Guide 9

6. Close the housing cover and tighten to safety specification. Always

ensure a proper seal so the metal touches metal, but do not over

tighten.

7. Position antenna vertically, either straight up or straight down. The

antenna should be approximately 3 ft. (0.91 m) from any large

structures or buildings, to allow clear communication to other

devices.

A. 2-in. U-bolt for pipe fitting

3.3 Remote antenna (optional)

The high gain, remote antenna options provide flexibility for mounting the

device based on wireless connectivity, lightning protection, and current

work practices.

Quick Start Guide April 2021

10 Emerson.com/Rosemount

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