Have you ever wondered about runway landing lights? We didn't think so! Next time you fly into Shannon Airport at nighttime however, rest easy in the knowledge that IDEC'S powerful FA3S PLC is in charge. In the event of mains power failure or category two conditions (defined by aviation authorities), one or more 400kVA generator sets are employed with the task of keeping the landing lights safely lit. In this situation, mains acts as standby to the generator. The generators are started remotely from the control tower by pushbutton.
The BRODERSEN CABLE MASTER system translates this signal from the pushbutton to the local IDEC PLC, thus starting the engines. The generators are controlled and monitored by a combination of IDEC and BRODERSEN equipment. IDEC'S high-capacity FA3S PLC performs local control and monitoring of the engine, while BRODERSEN text displays, Gateway modules and BITBUS modules distribute engine data and parameters to a central PC located several kilometers away. Vital analogue engine parameters such as speed, frequency, oil pressure and engine temperature are constanly monitored. Digital signals such as overloads and contactor status are also monitored. BRODERSEN software allows realtime graphical representations of each generator to be viewed on the central PC. Duplex communication is supported, with start/stop control functions and setpoint-change facilities available from this PC.
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