Emerson 644 Typical European Installation, Head Mount Transmitter with DIN Plate Style Sensor

Rosemount 644

Reference Manual

00809-0400-4728, Rev AA June 2011

INSTALLATION

Typical European Installation

Head Mount Transmitter with DIN Plate Style Sensor

1.Attach the thermowell to the pipe or process container wall. Install and tighten the thermowell before applying process pressure.

2.Assemble the transmitter to the sensor. Push the transmitter mounting screws through the sensor mounting plate and insert the snap rings (optional) into the transmitter mounting screw groove.

3.Wire the sensor to the transmitter (see Figure 2-7 on page 2-8).

4.Insert the transmitter-sensor assembly into the connection head. Thread the transmitter mounting screw into the connection head mounting holes. Assemble the extension to the connection head. Insert the assembly into the thermowell.

5.Attach a cable gland into the shielded cable.

6.Insert the shielded cable leads into the connection head through the cable entry. Connect and tighten the cable gland.

7.Connect the shielded power cable leads to the transmitter power terminals. Avoid contact with sensor leads and sensor connections.

8.Install and tighten the connection head cover. Enclosure covers must be fully engaged to meet explosion-proof requirements.

A

D

E

A = 644H Transmitter

B = Connection Head

C = Thermowell

B

C

F

D = Transmitter Mounting Screws

E = Integral Mount Sensor with Flying Leads F = Extension

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