Emerson Rosemount 702 Series, Справочное руководство

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1
Reference Manual
00809-0200-4702, Rev CA
Section 1: Introduction
February 2013
Introduction
Section 1 Introduction
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1
Using this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1
Models covered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3
Transmitter overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3
Service Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 7
Product Recycling/Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 8
1.1 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.
1.1.1 Warnings
1.2 Using this manual
The sections in this manual provide information on installing, operating, and maintaining the
Rosemount 702 Wireless Discrete Transmitter.
Section 2 through Section 5 are for the
Rosemount 702DX22 and Rosemount 702DX61 models. The Rosemount 702DX22 is the legacy
702 transmitter that has discrete input function only. The Rosemount 702DX61 is a special
version for liquid hydrocarbon leak detection with Tyco
®
TraceTek
®
sensors. Section 6 through
Section 9 are for the Rosemount 702DX32 and Rosemount 702DX42 models. The Rosemount
702DX32 has all of the functionality of the 702DX22, with the addition of momentary discrete
input sensing and counting. The 702DX42 adds the capability of discrete output switching.
Failure to follow these installation guidelines could result in death or serious injury:

Only qualified personnel should perform the installation
Explosions could result in death or serious injury.

Before connecting a Field Communicator in an explosive atmosphere, make sure that
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
Process leaks could result in death or serious injury.

Do not remove the switch while in operation

Install and tighten switches before applying pressure
Electrical shock could cause death or serious injury.

Use extreme caution when making contact with the leads and terminals