TWINFLEX
®
pro Repeater Panel Engineering and Commissioning Manual
12
Power Supply & Connections
24V DC Power is provided from the control panel via Aux+ and Aux-.
2-core 1.5mm
2
screened fire resistant cable (i.e. MICC, FP200, Firetuff, Firecell, Lifeline or equivalent)
cable should be used for the 24V power to the repeater and connected to the back board.
The maximum total
cable length from the control panel to a repeater is 500 metres.
Up to 8 repeaters can be used but they must all be within the maximum 500 metres cable length and
are wired +24v to +24V, 0V to 0V, Screen to Screen and so on up to the maximum of 8 repeaters.
Power Connection Table
Control panel
Aux+ +24V +24V
Aux- 0V 0V
SCRN Screen Screen
When powering a repeater from the panel the extra current will reduce the battery backup run time and
has to be allowed for in the battery calculations.
Current Drawn by Single Repeater @ 24.0V DC
Quiescent (default screen no back light) 16.0mA
Controls enabled, back light on 50.0mA
Separate Power Supply Requirements
The repeater can be powered by a separate 24v power supply if required.
The repeater working voltage range is between 21V DC to 32V DC with a maximum current of 50.0mA.
Repeater Back Board Power supply connections
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