Application examples
38
A9MA03EN 02/2012
Workshop lighting
Application example: workshop lighting
The aim is to have:
z Centralized workshop lighting mode by means of the building management system (BMS)
z Local mode in order to work on the system if maintenance is required
z 2 levels of lighting power.
The proposed solution is as follows:
z 2 banks of lights in the workshop are controlled by Reflex iC60 circuit breakers connected to a PLC
via the Ti24 interface and set to mode 3. In this mode, input Y1 is used to choose between local mode
(Y1 = 0) and centralized mode (Y1 = 1). In local mode, the circuit breaker is controlled by pulses on
input Y2. In centralized mode, the circuit breaker is controlled by rising and falling edges on input Y3.
z In centralized mode, the circuit breakers controlling the lighting are controlled by the PLC via input Y3.
z In local mode, the circuit breakers controlling the lighting are controlled by pushbuttons via input Y2.
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