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Quick Start Guide
Table 4-5: Wiring scheme - Multiple element ER combined probe
(continued)
Junction box
(Terminal :: Pin)
J3 :: 2
J3 :: 3
J3 :: 4
J3 :: 7
4.2
Field mounting
The Rosemount 4390 Wireless Transmitter mounting bracket kit is designed
to allow simple and ergonomic installation of the instrument.
Figure 4-3: Mounting bracket kit components
A. Screw M5x12 (4x)
B. Split lock M5 washer (4x)
C. Instrument bracket (1x)
D. Screw M6x12 (4x)
E. Split lock M6 washer (4x)
F. Hex nut UNC 5/16-18 (4x)
G. Rectangular flat washer (2x)
H. Back plate (1x)
I. U-bolt 2-inch UNC 5/16-18 (2x)
The mounting bracket kit supports two options for installing the instrument:
1. Mount the instrument on a wall, rack, or flat surface.
2. Mount the instrument on a 2-inch mounting pole.
24
Signal name
E1B / ERM1-
E2A / ERM2+
E2B / ERM2-
E4A / ERM4+
Standard cable
Multicable
Yellow
Green
Brown
Blue
Emerson.com/Rosemount
April 2021
Heavy-duty cable
BFOU(c)
Blue4
Black5
Blue5
Black6
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