User manual

3.3 Liquid Crystal Display (LCD)
Note
If you purchased the CSI 9420 without the optional LCD, and you want to add an LCD, an upgrade kit
is available (P/N A9400LCDM, A9400LCD-SS, or 00753-9004-0002). Contact Product Support for
more information.
3.3.1 Install the LCD
WARNING!
While you can perform this modification for either CSI 9420 devices that are certified as
intrinsically safe, for non-rated CSI 9420 devices that carry no hazardous area certification, or
for CSI 9420 devices that are certified as non-incendiary (e.g. Class I, Div 2 or Zone 2 rated),
only an Emerson Product Service Center personnel should remove and reinstall the LCD .
Failure to do so may void the hazardous location certification.
Installing the LCDFigure 3-11:
Procedure
1. Remove the LCD cover.
CAUTION!
The front electronics end cap (the cap covering the LCD) is certified for Class I, Division I
in appropriate gas environments (check the nameplate on the device for details).
Exposing the electronics to a production environment may allow particulates, moisture,
and other airborne chemicals to enter into the device, which could lead to
contamination and potential product performance issues.
2. Insert the four-pin connector into the interface board, rotate the LCD to the correct
position, and snap the LCD in place.
Setup
82 MHM-97408, Rev 15