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March 2021
Page 58 of 143
59812-K007 Rev 17
Business Confidential
3
Under normal operation the detector continuously monitors the oil mist level in the engine.
The Control Unit communicates with each connected detector to obtain the measured oil mist level and
the detector status. The Control Unit determines if the measured oil mist level is above the alarm levels
or if there is a fault condition and activates the appropriate relays.
The Remote Display Unit communicates with each Control Unit to obtain the oil mist levels for each
detector, the system configuration data and the system status data. This information is then displayed
in graphical form on a colour touch screen LCD. The touch screen allows the user to interact with the
system.
3.1
SYSTEM POWER UP
On power up the system will perform a sequence of actions:
3.1.1
Detectors
The green power LED on each detector will be switched on indicating power is being supplied to the
detector.
3.1.2
Control Unit with membrane
e.g. revision 0112 would be shown as
Detector 10 Operating LED (0) and Detector 1 Fault / Isolated LED (1)
Detector 1 Operating LED (1) and Detector 2 Fault / Isolated LED (2)
10)
The Control Unit
are functioning correctly. Each LED will then be switched on individually in sequence.
Following this sequence, the Power LED shall be on together with a Detector Operating LED for each
connected detector.
3.1.3
Remote Display Unit
During the Remote Display Unit software initialization,
Figure 79
Remote Display Unit Splash Screen
After a few seconds the following will be seen on the Remote Display Unit, this shows one engine
connected but may show up to ten engines.
Содержание Graviner Mk7
Страница 26: ...March 2021 Page 15 of 143 59812 K007 Rev 17 Business Confidential Figure 10 Detector Head Installation ...
Страница 42: ...March 2021 Page 31 of 143 59812 K007 Rev 17 Business Confidential Figure 29 Wiring Drawing ...
Страница 129: ...March 2021 Page 118 of 143 59812 K007 Rev 17 Business Confidential 6 6 1 CONTROL UNIT Figure 182 Control Unit Spares ...
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