Emerson Rosemount CT5100, Reference Manual, Page: 69 / 179

Figure 6-3: Display Controller
The purge control panel ( Figure 6-4 ) is used to program the operation of the overpressure
air system that prevents flammable and explosive gases from entering the analyzer's
electrical compartment. Adjustment of the overpressure air system
must only
be
performed by maintenance personnel.
Five LEDs, identified as K1, K2, PSV, Bypass, and PT100, are located on the upper part of
the purge control panel. These five LEDs indicate the status of the overpressure air system.
Figure 6-4: Purge Control Panel
6.2 Display controller
Operation of the Rosemount CT5100(Ex) is controlled through the six buttons on the
display controller:
Figure 6-5 .
The LCD display (A) can be used to display:
Reference Manual Controls and display controller
00809-0100-4512 October 2019
Reference Manual 69