Wire cable types and usage, 1 4-wire cable types and usage, Wire cable shielding figure 5-7 – Emerson MICRO MOTION 1700 User Manual

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4-wire cable shielding

Figure 5-7:

Assemble the Gland
1. Fold the shield or braid back over the clamping insert and 1/8 inch

(3 mm) past the O-ring.

2. Install the gland body into the conduit opening on the core processor housing.
3. Insert the wires through gland body and tighten the gland nut onto the gland body.

Apply the Heat Shrink
1. Slide the shielded heat shrink over the drain wires. Ensure that the

wires are completely covered.

2. Apply heat (250 °F or 120 °C) to shrink the tubing. Do not burn the

cable.

3. Position the clamping insert so the interior end is flush with the braid

of the heat shrink.

Cable shield

type

Braided

(armored cable)

Foil

(shielded cable)

Done

Terminate the shield

and drain wires in the

gland

Assemble the gland

according to vendor

instructions

Gland supplier

Micro Motion

cable gland

User-supplied

cable gland

From the preparation

procedure

After heat applied

Shield folded back

Gland body

Gland type

M20

Trim 7 mm from the shielded

heat shrink

Shielded heat
shrink

Trim

NPT

5.3.1

4-wire cable types and usage

Micro Motion offers two types of 4-wire cable: shielded and armored. Both types contain
shield drain wires.

The 4-wire cable supplied by Micro Motion consists of one pair of red and black 18 AWG
(0.75 mm

2

) wires for the VDC connection, and one pair of white and green 22 AWG

(0.35 mm

2

) wires for the RS-485 connection.

User-supplied 4-wire cable must meet the following requirements:

Mounting and sensor wiring for remote core processor with remote sensor installations

56

Micro Motion

®

Model 1700 and 2700

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