Portable Hub Unit Operation; Hub Status Leds - EA Technology UltraTEV Monitor Operating Manual

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3.5

Portable Hub Unit Operation

3.5.1 Hub Status LEDs

The status LEDs are mounted on the front panel of the Hub Unit as shown in Figure 2:
Figure 2: Monitor Hub status LEDs
The functionality of these status LEDs is as follows:

Power: This green LED is normally lit and indicates that the Hub Unit is correctly powered.
 Health: This green LED will flash while the system is starting up, and will remain
constantly lit while the monitor is functioning.
 Alarm/SCADA: These LEDs indicate the state of the Alarm and SCADA Outputs. If an
Alarm condition is detected, the corresponding LED on the front panel will change from
clear to red. The following functionality is preprogramed for each output:
Alarm: LED will illuminate (or output will switch to an Alarm condition) when any
o
alarm is raised on the Monitor)
SCADA Output 1: LED will illuminate when a Red threshold alarm is raised
o
SCADA Output 2: LED will illuminate when an Amber threshold alarm is raised
o
SCADA Output 1: LED will illuminate when a Health alarm is raised (including
o
sensor disconnect)
There are three cases where all SCADA LEDs will illuminate and when all outputs will be
switched into Alarm condition:
Red, Amber and Health alarm are raised at the same time
o
UltraTEV Monitor HUB was shut down
o
UltraTEV Monitor HUB software failed to respond
o
Please refer to Section 12 for information on alarm configuration.
UltraTEV Monitor Operating Manual
TM
11
2178L014