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43
Reference Manual
00809-0100-4728, Rev MB
July 2016
Section 3
Hardware Installation
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 43
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 43
Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 44
Installation procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 45
Note
Each transmitter is marked with a tag indicating the approvals. Install the transmitter according to all
applicable installation codes, and approval and installation drawings (see
). Verify the operating atmosphere of the transmitter is consistent with the hazardous
location certifications. Once a device labeled with multiple approval types is installed, it should not be
reinstalled using any of the other labeled approval types. To ensure this, the approval label should be
permanently marked to distinguish the approval type(s) used.
3.1
Overview
The information in this section covers installation considerations for the Rosemount
™
644 Temperature
Transmitter with HART
®
protocol. A Quick Start Guide (document number 00825-0200-4728) is shipped
with every transmitter to describe recommended mounting and wiring procedures for initial installation.
Dimensional drawings for Rosemount 644 mounting configurations are included in
Specifications and Reference Data
3.2
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 ( ). Refer to the following safety messages before performing an operation preceded
by this symbol.
Содержание Rosemount 644 HART
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