Emerson Rosemount 708 Bedienungsanleitung

Quick Start Guide

00825-0200-4708, Rev DF

November2023

Rosemount™ 708 Wireless Acoustic

Transmitter

Safety messages

NOTICE

This guide provides basic guidelines for the Rosemount 708. It does not provide instructions

for detailed configuration, diagnostics, maintenance, service, troubleshooting, or

installations. Refer to the Rosemount 708 Wireless Acoustic Transmitter Reference Manual

for more instruction. This guide and the manual are available electronically on Emerson.com.

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. Review the

approvals section of the Quick Start Guide for any restrictions associated with a safe

installation.

Before connecting a communication device in an explosive atmosphere, ensure the

instruments in the segment are installed in accordance with intrinsically safe or non-

incendive field wiring practices.

WARNING

This device complies with Part 15 of the Federal Communication Commission (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 8 in. (20

cm) from all persons.

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.

Polymer enclosure has surface resistivity greater than one gigaohm. Care must be taken

during transportation to and from the point of installation to prevent a potential electrostatic

charging hazard.

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 in protecting

your system. Restrict physical access by unauthorized personnel to protect end users’ assets.

This is true for all systems used within the facility.

Quick Start Guide November2023

2 Rosemount 708

NOTICE

Shipping considerations for wireless products

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

prior to shipping.

Each power module contains one “D” size primary lithium battery. 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

Transmitter overview...................................................................................................................5

Installation.................................................................................................................................... 6

Configuration............................................................................................................................. 16

Verifying operation.................................................................................................................... 21

Product certifications................................................................................................................ 26

November2023 Quick Start Guide

Quick Start Guide 3

Quick Start Guide November2023

4 Rosemount 708

1 Transmitter overview

Figure 1-1: Rosemount 708 Wireless Acoustic Transmitter

A. Power module cover — power module is inside device; unscrew

cap for access

B. Waveguide — acoustic and temperature sensors

C. Electronics cover — cover is sealed and cannot be removed

D. Stainless steel mounting bands — used to connect the acoustic

transmitter to the piping

E. Pipe — the acoustic transmitter is installed directly to the pipe

November2023 Quick Start Guide

Quick Start Guide 5

2 Installation

2.1 Installation considerations

2.1.1 General installation considerations

The Rosemount 708 Acoustic Wireless Transmitter measures the

level of ultrasonic acoustic noise and waveguide temperature. The

transmitter converts the acoustic and temperature measurements

into output data and alerts.

2.1.2 Wireless considerations

Power-up sequence

Make sure the Emerson Wireless Gateway is installed and functioning

properly before powering any wireless devices. Install the power

module, SmartPower™ Solutions, model number 701PGN Green

Power Module, into the Rosemount 708 Transmitter to power the

device. This results in a simpler and faster network configuration.

Enabling Active Advertising on the Gateway ensures new devices

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

Emerson Wireless 1410 Gateway Reference Manual.

Figure 2-1: Power module installation

Quick Start Guide November2023

6 Rosemount 708

Antenna position

The antenna is internal to the acoustic transmitter.

To achieve optimal range, position the transmitter with the

waveguide horizontal and the power module closest to the ground

as shown in Figure 2-2. Good connectivity can also be achieved in

other orientations. The antenna should also be approximately 3 ft. (1

m) from any large structure, building, or conductive surface to allow

for clear communication to other devices. Refer to best practices for

additional information on optimal mounting locations of device.

Figure 2-2: Antenna position

Recommended practices

When mounting the device, consider recommended practices to

achieve the best wireless performance. See Rosemount 708 Wireless

November2023 Quick Start Guide

Quick Start Guide 7

Acoustic Transmitter Reference Manual for more information on

recommended practices.

Field Communicator connections

The power module needs to be installed in the device for the Field

Communicator to interface with the Rosemount 708 Transmitter.

This transmitter uses the green power module, order model number

701PGNKF. Field communication with this device requires a HART®-

based Field Communicator using the correct Rosemount 708 device

driver (DD). Field Communicator connections are located on the

power module. The power module is keyed and can only be inserted

in one orientation. Refer to Figure 2-3 for instructions on connecting

the Field Communicator to the transmitter.

Figure 2-3: Connection diagram

Quick Start Guide November2023

8 Rosemount 708

2.1.3 Mechanical considerations

Location

When choosing a location and position, consider access to the power

module compartment for easy power module replacement.

2.1.4 Electrical considerations

Electronics cover

WARNING

The electronics cover is sealed and cannot be removed.

Do not attempt to unscrew the cover.

Power module

The Rosemount 708 Transmitter is self-powered. The power module

contains one “D” size primary lithium/thionyl chloride battery. Each

battery contains approximately 0.2 oz. (5.0 g) of lithium.

NOTICE

Under normal conditions, the battery materials are self-

contained and are not reactive as long as the battery and the

power module are maintained.

Take care to prevent thermal, electrical, or mechanical damage.

Protect contacts to prevent premature discharge.

NOTICE

The power module may be damaged if dropped from heights

exceeding 20 ft. (6.1 m).

Use caution when handling the power module.

2.1.5 Environmental considerations

Verify the operating atmosphere of the transmitter is consistent with

the appropriate hazardous locations certification.

Temperature effects

The transmitter will operate within specifications for ambient

temperatures between –40 and 185 °F (–40 and 85 °C ).

Heat from the process is transferred to the transmitter housing.

If the process temperature is high, the ambient temperature will

need to be lower to account for heat transferred to the transmitter

housing. See Table 2-1 for ambient temperature derating. Refer

November2023 Quick Start Guide

Quick Start Guide 9

to Table 2-2 for High Temperature option (HT01) for ambient

temperature derating.

Table 2-1: Ambient temperature derating

Process temperature Max ambient

°C °F °C °F

260 500 41 106

240 464 45 113

220 428 49 120

200 392 53 127

180 356 57 135

160 320 61 142

140 284 64 147

120 248 58 136

100 212 72 162

85 185 75 167

Table 2-2: Ambient temperature derating - HT01

Process temperature Max ambient

°C °F °C °F

550 1022 41 106

520 968 45 113

490 914 47 117

460 860 49 120

430 806 51 124

400 752 53 127

370 698 56 133

340 644 58 136

310 590 60 140

280 536 62 144

260 500 63 145

Quick Start Guide November2023

10 Rosemount 708

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