Loi Controls; Overview - Emerson Rosemount OCX 8800 Reference Manual

Using the LOI
4.2

LOI controls

4.2.1

Overview

The LOI, shown in
adjustable. There is an infrared LED source and a detector for each key. The detectors can
detect a finger placed above the button through the glass window. There is no need to
open the instrument in bad weather or in hazardous areas in order to access the
electronics.
The transmitter also uses HART or Foundation Fieldbus communications, permitting
access to all instrument functionality anywhere the digital O
375 Field Communicator.
58
Figure 4-2, uses a bright blue gas-fluorescent display. Intensity is
signal terminates via a Model
2
OCX 8800