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P-ADELCU-EOL
EN54-28 is a referenced standard in AS1670.1 2018 and 2024 versions
Internally the unit features 4 switches, which can be used to simulate a fire or fault on each of the zones. There are two pushbuttons, one for each zone, which simulate a fire by connecting the two cable cores when the button is pressed. Similarly there are two switches, which under normal conditions connect the end-of-line resistor across the cable, for each zone. However when the switch is changed, this create an open circuit which in turn raises a fault on the controller. Via these switches it is easy to functionally test the system.
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EN54-28 is a referenced standard in AS1670.1 2018 and 2024 versions
Internally the unit features 4 switches, which can be used to simulate a fire or fault on each of the zones. There are two pushbuttons, one for each zone, which simulate a fire by connecting the two cable cores when the button is pressed. Similarly there are two switches, which under normal conditions connect the end-of-line resistor across the cable, for each zone. However when the switch is changed, this create an open circuit which in turn raises a fault on the controller. Via these switches it is easy to functionally test the system.
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