2.1.2
Mounting in 3-A
®
environments
Follow these guidelines when installing the temperature transmitter in a 3-A compliant
environment.
•
Use only adapters certified for use in 3-A environments.
•
Do not mount the temperature transmitter at the lowest point of the tank or pipe.
Mounting the transmitter to a higher point allows the medium to run off the
transmitter.
2.2
Wire the Transmitter
Follow these steps to wire the transmitter for two-wire or three-wire operations.
CAUTION
•
A certified electrician must wire the temperature transmitter.
•
Adhere national and international regulations when wiring the temperature
transmitter.
Voltage supply to EN 50178, SELV, PELV / "supply class 2" to cULus.
Procedure
1. Disconnect power from the temperature transmitter.
2. Wire the temperature transmitter according to the diagrams below.
Figure 2-1: For two-wire operation:
•
BN: Brown
•
WH: White
•
Pin 1: L+
•
Pin 2: OUT (analog signal for temperature and diagnostics)
Installation
Quick Start Guide
January 2019
00825-0100-4329
14
Quick Start Guide
Summary of Contents for Rosemount 327T
Page 1: ...Quick Start Guide 00825 0100 4329 Rev 01 January 2019 Rosemount 327T Temperature Transmitter ...
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Page 4: ...Contents Quick Start Guide January 2019 00825 0100 4329 4 Quick Start Guide ...
Page 12: ...Introduction Quick Start Guide January 2019 00825 0100 4329 12 Quick Start Guide ...
Page 16: ...Installation Quick Start Guide January 2019 00825 0100 4329 16 Quick Start Guide ...
Page 24: ...Product certifications Quick Start Guide January 2019 00825 0100 4329 24 Quick Start Guide ...