Rosemount 848T Manual do Utilizador descarregar pdf (Página 4)

Quick Installation Guide

00825-0100-4697, Rev DB

September 2011

Rosemount 848T

STEP 2: WIRE AND APPLY POWER

Power is polarity insensitive, allowing the user to connect positive (+) or negative (–)

OUNDATION fieldbus wires to either FOUNDATION

™

fieldbus wiring terminal on the terminal

block.

Using Cable Glands

1. Remove the four cover screws to remove the junction box cover.

2. Run the sensor and power/signal wires through the appropriate pre-installed cable

glands.

3. Install the sensor wires into the correct screw terminals.

4. Attach the F

OUNDATION fieldbus wires to the screw terminals.

5. Replace the F

OUNDATION fieldbus cover and tighten all cover screws.

Using Conduit Entries

1. Unscrew the four cover screws to remove the junction box cover.

2. Remove the five conduit plugs and install the user-supplied conduit fittings.

3. Run pairs of sensor wires through each conduit fitting.

4. Install the sensor wires into the correct screw terminals.

5. Attach the F

OUNDATION fieldbus wires to the screw terminals.

6. Replace the enclosure cover and tighten all cover screws.

Figure 6. Mounted on a Vertical Pipe

Aluminum/Plastic Junction Box Stainless Steel Junction Box

Cable Gland Conduit Entries

A = Sensor 1 F = Sensor 6 A = Sensor 1 and

D = Sensor 7 and

B = Sensor 2 G = Sensor 7 B = Sensor 3 and

E = Power/Signal

C = Sensor 3 H = Sensor 8 C = Sensor 5 and

F = Cover Screw

D = Sensor 4 I = Power/Signal

E = Sensor 5 J = Cover Screw

1 2 3 4 5 6 7 8 9 ... 19 20

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Rosemount 848T Manual do Utilizador Página 4