Overview - Emerson Rosemount 644 with HART Protocol Reference Manual

Reference Manual
00809-0200-4728, Rev SA
Section 3
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 41
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 42
Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 42
Installation procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 44
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
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
Transmitter with HART
recommended mounting and wiring procedures for initial installation. Dimensional drawings for
Rosemount 644 Transmitter mounting configurations are included in the
Installation
Hardware Installation
®
Protocol. A Quick Start Guide is shipped with every transmitter to describe
Installation
July 2018
Product Data Sheet). Verify the
™
644 Temperature
Product Data Sheet.
41