Rosemount 4500

Reference Manual

00809-0100-4027, Rev AA December 2005

Grounding

Transmitter Case

INSTALLING THE LCD METER

Figure 2-6. Optional LCD Display

Always ground the transmitter case in accordance with national and local electrical codes. The most effective transmitter case grounding method is a direct connection to earth ground with minimal impedance. Methods for grounding the transmitter case include:

Internal Ground Connection: The Internal Ground Connection screw

is inside the electronics housing. The screw is identified by a ground symbol ( ), and is standard on all 4500 transmitters.

Transmitters ordered with the LCD display will be shipped with the display installed. Installing the display on an existing 4500 transmitter requires a small instrument screwdriver and the display kit.

The optional LCD display can be rotated in 90-degree increments.

Use the following procedure to install the LCD display:

1.IF the transmitter is installed in a loop, THEN secure the loop and disconnect power.

2.Remove the transmitter cover.

3.Engage the four-pin connector from the LCD display into the four-pin receptacle. Tighten screws to secure the LCD.

Note the following LCD temperature limits:

Ambient

32 to 140 °F (0 to 60 °C)

Storage

–22 to 185 °F (–30 to 85 °C)

4500/4500_29_AA.EPS

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Emerson 4500 manual Grounding, Installing the LCD Meter