Wiring Diagrams - Emerson Rosemount Volume 1 Quick Start Manual

Quick Start Guide
2

Wiring diagrams

Figure 2-1: Rosemount Series 68, 68Q, 78, and 58C RTD Wire Colors
(1) Dual element sensors are only available on Rosemount Series 68Q and 78
Sensors.
A. Red
B. White
C. Green
D. Black
Note
For three-wire systems, use one white and two red leads. Do not connect the
white leads. Insulate or terminate the unused white lead in a manner that
prevents shorting to the ground. For two-wire systems, connect both sets of
leads.
4
Single Element
A
A
B
B
March 2021
(1)
Dual Element
B
B
A
C
C
D
Emerson.com/Rosemount