Working of alarm circuit in Auto Mains Panel (AMF)
The Auto Mains Panel (AMF) cabinet has it’s arrest auto start clear module which monitors the mains devote, if a plow back in to lack is detected the cabinet instructs the power plant to start. On detecting a mains supply the AMF advisory group instructs the power plant to stop. Auto Mains Panel (AMF) - http://www.sbcontrolpanels.com/products/amf-control-panel
The Auto Mains Panel (AMF) cabinet has it’s arrest auto start clear module which monitors the mains devote, if a plow back in to lack is detected the cabinet instructs the power plant to start. On detecting a mains supply the AMF advisory group instructs the power plant to stop. Auto Mains Panel (AMF) - http://www.sbcontrolpanels.com/products/amf-control-panel
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C1 discharges over the Q1 to oblige the butch haircut to act<br />
<strong>in</strong> place <strong>of</strong> an <strong>alarm</strong>.<br />
The <strong>Auto</strong> Ma<strong>in</strong>s <strong>Panel</strong> (<strong>AMF</strong>) cab<strong>in</strong>et has it’s arrest auto start<br />
clear module which monitors the ma<strong>in</strong>s devote, if a plow back<br />
<strong>in</strong> to lack is detected the cab<strong>in</strong>et <strong>in</strong>structs the power plant to<br />
start. On detect<strong>in</strong>g a ma<strong>in</strong>s supply the <strong>AMF</strong> advisory group<br />
<strong>in</strong>structs the power plant to stop.<br />
The capacitor C2 is the filter capacitor for the bridge. Diode<br />
D2 prevents the boot <strong>of</strong> the C2 when ma<strong>in</strong>s fail. If D2 is not<br />
there, the <strong>alarm</strong>s will rema<strong>in</strong> reticent for a presage capacitor<br />
C2 to right discharge trail<strong>in</strong>g the power failure.<br />
Po<strong>in</strong>t to be noted.<br />
• All capacitors are rated 25V.<br />
• You can use any general purpose PNP transistor (like<br />
BC158,BC177 etc) as Q1<br />
• T1 can be a 230V primary 6V<br />
secondary 500mA transformer.<br />
• B1 can be a 1A bridge. You can make the same us<strong>in</strong>g four<br />
1N 4007 diodes.
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