Emerson Rosemount 644h Manual descargar pdf (Pagina 17)

2-7

Rosemount Inc

Rail Mount Transmitter with Integral Mount Sensor

Refer to Volume 2 of the Rosemount Sensors Product Data Sheet (document

number 00813-0101-2654) for complete sensor and mounting accessory

information.

To complete the assembly, follow the procedure described below.

1. Attach the transmitter to a suitable rail or panel.

2. Attach the thermowell to the pipe or process container wall. Install and

tighten the thermowell before applying pressure.

3. Attach the sensor to the connection head and mount the entire assembly to

the thermowell.

4. Attach sufficient lengths of sensor lead wire to the sensor terminal block.

5. Attach and tighten the connection head cover. Enclosure covers must be fully

engaged to meet explosion-proof requirements.

6. Run sensor lead wires from the sensor assembly to the transmitter.

7. Set the transmitter failure mode switch (see Figure 2-11 on page 2-11).

8. Attach the sensor and power leads to the transmitter. Avoid contact with

leads and terminals.

Figure 2-6. Typical Rail Mount Transmitter Mounting Configuration Using

Integral Mount Sensor and Assembly

Integral Mount Sensor

with Terminal Block

Connection Head

Standard Extension

Threaded Thermowell

Rail Mount Transmitter

Sensor Leads

with Cable Gland

644-0000C04A

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Emerson Rosemount 644h Manual Pagina 17