Technical Specification; General; Power Supply; Output Protection - Scantronic 808 Installation And Programming Manual

2. Technical Specification

General

Operating temperature
Humidity
Dimensions (end station)
Weight (end station)

Power Supply

System Power Supply
(Ambient Temp. 20 º. C)
With the system quiescent, this supply is used as follows:
808 end station
Each Remote Keypad
The remaining current is available for recharging the battery, and supply
attached devices through the 12V Aux terminals on the main connector.
With the system in alarm the battery can supply current additional to the
maximum available from the system power supply.

Output Protection

Self resetting thermal Polyswitches protect outputs at the following levels:
12V Aux
Keypad 12V
Siren
Batt (reverse connection)
Bell, Strobe and OP1 are open collector outputs rated at 500mA.

Battery

Standby Battery
Battery Space

Keypad Wiring

Recommended maximum distances for the remote keypads from the end
station, using standard alarm cable is 100 metres per branch for the star
configuration.
For a daisy chain configuration the maximum length must take account of the
number of keypads sharing the cable. In general, a single keypad can be
connected at the end of a maximum of 300 meters of standard cable. If you
wish to connect more keypads the cable must be shorter, or the 0V wire must
= 0º - 40ºC
= 80% RH
= 300(W) x 300(H) x 80(D)mm
= Approximately. 5Kg
= 900 mA
= 90 mA
= 60 mA
=1,350mA
= 500mA
= 750mA
= 2,500mA
= 12 Volt, 6.5AH rechargeable lead-acid, Gel
Type battery
= 110(W) x 150(H) x 75(D)mm
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