Emerson Micro Motion 3500 Installation Manual page 20

Wiring
Additional information for connecting the wires at the core processor is provided
below:
a. Identify the components shown in
b. Remove the core processor's end-cap.
c. Insert the 9-wire cable through the conduit opening.
d. Connect the wires to the plugs supplied with the core processor.
e. Insert the plugs into the sockets inside the lower conduit ring. See
Figure 3-10: 9-wire cable between sensor and core processor
3. Ground the cable.
Cable type
Jacketed cable
Shielded or armored cable
4. Ensure integrity of gaskets, grease all O-rings, then close the junction box housing and
core processor end-cap, and tighten all screws.
CAUTION!
Make sure that the wires are not caught or pinched when you close the housing to reduce the risk of
measurement error or meter failure.
20
9-wire cable from sensor
Black
(Drains from all
wire sets)
Brown
Red
Green
White
Blue
Gray
Orange
Violet
Yellow
Procedure
Ground the shield drain wires (the black wire) only on the core
processor end, by connecting it to the ground screw inside the
lower conduit ring. Do not ground to the core processor's
mounting screw. Do not ground the cable at the sensor junction
box.
Ground the shield drain wires (the black wire) only on the core
processor end, by connecting it to the ground screw inside the
lower conduit ring. Do not ground to the core processor's
mounting screw. Do not ground the cable at the sensor junction
box.
Ground the cable braid on both ends, by terminating it inside the
cable glands.
Model 3500 Transmitters or Model 3300 Peripherals - Rack Mount
Figure 2-1.
Core processor
Ground screw
Black
Brown
Violet
Yellow
Plug and
socket
Mounting screw
Figure 3-10.
Red
Green
White
Blue
Gray
Orange