Emerson Rosemount 708 Manual de usuario
Quick Start Guide
00825-0200-4708, Rev DD
June 2022
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 Reference Manual for more instruction. This guide and the manual are available
electronically on Emerson.com/Rosemount.
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 this
manual for any restrictions associated with a safe installation.
Before connecting a communicator 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 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.
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.
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2 Emerson.com/Rosemount
Contents
Transmitter overview................................................................................................................... 5
Considerations............................................................................................................................. 6
Field Communicator connections.................................................................................................8
Installation................................................................................................................................... 9
Configuration.............................................................................................................................18
Verify operation......................................................................................................................... 22
Product Certifications.................................................................................................................27
June 2022 Quick Start Guide
Quick Start Guide 3
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4 Emerson.com/Rosemount
1 Transmitter overview
Figure 1-1: Rosemount 708 Wireless Acoustic Transmitter
A
C
B
E
D
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
June 2022 Quick Start Guide
Quick Start Guide 5
2 Considerations
2.1 Power-up sequence
The Emerson Wireless Gateway (Gateway) should be installed and
functioning properly before any wireless devices are powered. 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 Gateway Reference
Manual.
Figure 2-1: Power Module Installation
2.2 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 1 m (3 ft.) 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.
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6 Emerson.com/Rosemount
Figure 2-2: Antenna Position
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Quick Start Guide 7
3 Field Communicator connections
The power module needs to be installed in the device for the Field
Communicator to interface with the Rosemount 708. This transmitter uses
the green power module; order model number 701PGNKF. Field
communication with this device requires a HART® protocol-based Field
Communicator using the correct 708 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 3 for instructions on
connecting the Field Communicator to the Rosemount 708.
Figure 3-1: Connection Diagram
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8 Emerson.com/Rosemount
4 Installation
4.1 Considerations
4.1.1 General
The Rosemount 708 Acoustic Wireless Transmitter measures the level of
ultrasonic acoustic noise and waveguide temperature. The Rosemount 708
Transmitter converts the acoustic and temperature measurements into
output data and alerts.
4.1.2 Wireless considerations
Power-up sequence
The Emerson Wireless Gateway (Gateway) should be installed and
functioning properly before any wireless devices are powered. 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 Gateway Reference
Manual.
Figure 4-1: Power Module Installation
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 4-2. Good
connectivity can also be achieved in other orientations. The antenna should
also be approximately 1 m (3 ft.) 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.
June 2022 Quick Start Guide
Quick Start Guide 9
Figure 4-2: Antenna Position
Recommended practices
When mounting the device, recommended practices should be considered
to achieve the best wireless performance. See Rosemount 708 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 701PGN.
Field communication with this device requires a HART®-based Field
Communicator using the correct Rosemount 708 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 4-3 for
instructions on connecting the Field Communicator to the transmitter.
Quick Start Guide June 2022
10 Emerson.com/Rosemount
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