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. � : •. <br /> . � j � i • • • • <br /> www.boschsecurity.com % ����� <br /> � <br /> Invented for life <br /> ► Provides up to 2A of 12V standby current for Fire or <br /> Burglar Applications (4A of Burglary alarm current) <br /> ► Supervises up to two 12v 7-18Ah batteries <br /> independently for up to 36AH of capacity <br /> ► Provides up to 80 hours of standby time <br /> ► Uses the Bosch standard TR1850 plug-in <br /> transformer <br /> ► Easy to read rotary switch addressing <br /> The B520 Auxiliary Power Supply Module is a fully • Battery OK <br /> supervised, addressable SD12 bus device that provides • Low Battery <br /> an integrated auxiliary power supply solution for • Missing Battery <br /> Bosch control panels. Indicators <br /> • Heartbeat[icon] Blue LED flashing On and Off when <br /> � system is operating normally.A steady On or Off LED <br /> The 8520 Auxiliary Power Supply Module is an indicates a system error.Triple fiash indicates <br /> auxiliary power supply expansion device that connects communication fai�ure. <br /> to compatible control panels through the SD12 bus. • BATT 1 LED• Green steady On LED indicates the <br /> battery status of BATT 1 is operating normally. <br /> This module is supervised and communicates back to Flashing indicates low battery Triple flash indicates <br /> the control panel all status changes. battery charger failure. Off LED indicates a missing <br /> Industrial, commercial, and institutional facilities are battery <br /> typical installations for the B520 module. The B520 . BATT 2 LED• Green steady On LED indicates the <br /> rotary switches allow for ease of use in device battery status of BATT 2 is operating normally. <br /> addressing. The SD12 Out terminals provide auxiliary Flashing indicates low battery Triple flash indicates <br /> power for SD12 expansion devices such as keypads battery charger failure Off LED indicates a missing <br /> The AUX PWR terminals provides added auxiliary battery <br /> power capabilities for additional devices such as PIR's. - AC LED Green steady On LED indicates the AC <br /> power is operational A pulsating LED (3 pulses per <br /> • sec.) occurs when a battery test is being performed <br /> Supervision Monitoring Flashing indicates low or failed AC <br /> The module monitors and communicates status Battery Charging <br /> information over the SD12 bus for the following Fully charged batteries, connected to the battery <br /> • Operation (Heartbeat) terminals, sustain power to the B520 in the event that <br /> • Battery 1 (BATT 1) the AC power fails. <br /> • Battery 2 (BATT 2) <br /> • AC input power (AC) <br />