Interface Components For Local Data Display And Entry; Interface Components For Local Data Display And Entry; Light Emitting Diode (Led) Indicators - Emerson Daniel Danalyzer 1000 Hardware Reference Manual

MODEL 1000
4.1

INTERFACE COMPONENTS FOR LOCAL DATA DISPLAY AND ENTRY

The components for local data display and entry are the light emitting diode (LED) indicator lights,
the liquid crystal display (LCD), and the built-in keypad (see Figure 4-1).
Figure 4-1. LED Lights, LCD, and Keypad for Local Data Display and Entry
4.1.1

Light Emitting Diode (LED) Indicators

There are three colored status indicators on the GC Controller that show the gross status of the total
system. Table 4-1 summarizes the conditions indicated when these indicators are illuminated:
Table 4-1. Conditions indicated by the GC Controller's LED status indicator lights
YELLOW
GREEN
RED
OPERATION FROM LOCAL KEYPAD AND DISPLAY
The GC has an unacknowledged alarm(s).
The Controller is currently running an analysis.
The GC is in RUN mode, and has an out-of-tolerance
or alarm condition that requires an operator action.
SEP 2005
4-3