12V SECURITY STU\u00a0USED PURELY FOR FIRE ALARM SIGNALLING<\/strong><\/p>\n The BF560-12 can help combat an area of fire alarm system non-compliance that is often overlooked – their connection to remote monitoring centres via 12V security STUs or autodiallers. Fire\u00a0systems that require such monitoring are typically connected to 12V security STUs. Unfortunately, PSUs used to power these STUs normally only offer 12 hours standby, are not\u00a0connected to a dedicated mains supply and do not include the features demanded by EN54-4 (such as battery impedance monitoring, temperature compensated charging, CPR compliance, etc). The\u00a0BF560-12 solves these problems by allowing the use of 12V STUs with a cost-effective EN54-4 compliant PSU thereby facilitating compliance with BS5839-1 (or European equivalents). To\u00a0further assist this application, an optional STU mounting plate is available for inside the BF560-12 (order code BF360SP).<\/p>\n PSU STATUS LED\u00a0<\/strong>(located on the PSU PCB)<\/p>\n 1 flash = Mains Failure.<\/p>\n 2 flashes = Battery Voltage Low.<\/p>\n 3 flashes = Battery Voltage Critical.<\/p>\n 4 flashes = Charger Failure.<\/p>\n 5 flashes = Charger OK (Battery is either actively charging, or in float charge).<\/p>\n 6 flashes = No Batteries Fitted (indicating DIP Switch 4 position).<\/p>\n 7 flashes = Battery Resistance Fault (Level set by DIP Switch 2 position).<\/p>\n 8\u00a0flashes\u00a0= Output Over Voltage.<\/p>\n BATTERY FAULT MONITORING<\/strong><\/p>\n The BF560-12 complies with EN54-4\/A2 and therefore must monitor battery resistance. The fault threshold is directly related to the ability of the battery to deliver the rated current to the load. For example, batteries stored uncharged for long periods, during shipment and\/or distribution, degrade leading to increased internal resistance. If a degraded battery is fitted, a fault will be shown by the PSU as mandated by EN54-4\/A2.<\/p>\n EN50131-6 (POWER SUPPLIES FOR INTRUSION & HOLD UP ALARMS) CAPABILITY<\/strong><\/p>\n The power supply inside the BF560-12 has all the electrical functions required to comply with EN50131-6 Grade 4\u00a0(which includes Grades 3, 2 and 1). However, the BF560-12’s enclosure is\u00a0not designed to comply with the standard’s\u00a0requirements to\u00a0trigger\u00a0an\u00a0alarm if someone tries to force the box open. OEM security companies interested in utilising the BF560-12’s PSU\u00a0PCB inside their own EN50131-6 compliant tamper-resistant enclosures should contact our marketing department\u00a0for further details\u00a0on costs and approvals.<\/p>\n DATA PORT<\/strong><\/p>\n Data on the BF560-12’s status can be extracted from the PSU’s\u00a0bi-directional data port. The data available\u00a0includes thermistor measurements; battery terminal voltage; system voltage at load terminals; battery charge current; load current; battery impedance\u00a0and\u00a0ASCII text string status messages. Extracting this data requires additional equipment and permissions –\u00a0call C-TEC for details.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":" Certified to EN54-4\/A2 by the LPCB &\u00a0VdS (AFNOR pending).<\/p>\n\n