Status Indicators - Emerson Daniel Danalyzer 1000 Hardware Reference Manual

SEP 2005
2.3.3.1

Status Indicators

Three colored LED status indicators are located at the side of the display on the front panel. The
indicators are arranged from yellow, green, and red. When illuminated, the LED status indicators
signify the following:
- Yellow LED: When illuminated, the Yellow LED indicates that an out-of-tolerance value
or an alarm condition was entered into the Controller memory for printout with the analysis.
The Controller memory retains the alarm for printout until the operator clears the alarm(s).
This indicator is partially application controlled and may be set at different out-of-tolerance
levels with different applications.
- Green LED: When illuminated, the Green LED indicates that the Controller is operating. If
the green LED is illuminated and the Controller does not accept changes, a password lockout
may have been entered. If a password has been entered, the password must be re-entered
before the Controller program can be changed.
- Red LED: When illuminated, the Red LED indicates an out-of-tolerance value or an alarm
condition in the RUN mode that requires operator action. Alarm contacts are closed under
these conditions. The Red LED is automatically turned off and contacts opened by the
Controller at the start of the next analysis.
2-22
MODEL 1000
EQUIPMENT DESCRIPTION