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PC24177W Datasheet(PDF) 3 Page - Systemsensor advanced ideas. |
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PC24177W Datasheet(HTML) 3 Page - Systemsensor advanced ideas. |
3 / 4 page Electrical Specifications OperatingVoltage 24VDCandFWR1unfiltered InputTerminals 12to18AWG OperatingVoltageRange 16–33V OperatingVoltageRangew/Sync•Circuit Module2 17-33V U.S.PatentNumbers 6,049,446 6,057,778 D424,465 Table 1-A: SpectrAlert Strobe UL Max. Current Draw (mA RMS) Strobe Setting 16-33V FWR Operating Current – Strobe (mA RMS) 16-33V DC Operating Current – Strobe (mA RMS) 15 68 64 15/75 77 78 30 107 113 75 197 205 95 239 274 115 298 325 177 399 489 Table 1-B: Horn UL Max. Current Draw Measurements (mA RMS) 16-33V (DC) 16-33V (FWR) Temporal Low Volume Electromechanical 23 23 3000HzInterrupted 33 23 High Volume Electromechanical 53 44 3000HzInterrupted 57 40 Non- Temporal Low Volume Electromechanical 37 29 3000HzInterrupted 32 33 High Volume Electromechanical 49 49 3000HzInterrupted 56 58 Notes: 1.FullWaveRectified(FWR)voltageisanon-regulated,time-varyingpowersourcethatisusedonsomepowersupplyandpaneloutputs. 2.TheMDLcausesaone-voltvoltagedropinthenotificationappliancecircuit. Table 1-C: 24V DC Horn/Strobe UL Max. Current Draw Measurements (mA RMS) Temporal Non-Temporal Low Volume High Volume Low Volume High Volume Candela Setting Electromechanical 3000 Hz Electromechanical 3000 Hz Electromechanical 3000 Hz Electromechanical 3000 Hz 15 73 73 76 78 75 75 81 86 15/75 89 89 91 92 89 90 96 98 30 126 125 128 128 125 125 131 134 75 225 222 222 222 219 219 221 222 95 272 270 271 271 266 265 269 270 115 297 297 296 296 291 290 292 293 177 512 504 501 496 491 493 491 496 Explanation of Published Voltage, Current, and SPL Specifications During May 2004, UL also changed the way they list the voltage range of a device. All 12V products will be listed between 8 – 17.5V and all 24V products will be listed between 16 – 33V. Those devices are considered “regulat- ed”. Any product that does not operate within these ranges will be listed as a “special application” with its operating voltage specified on the device. Notes 1.Currentdrawforstrobe-onlyproductsisshowninTable1-A. 2.24VDC2-wirehorn/strobecurrentdrawisshowninTable 1-C. 3.Currentdrawforotherhorn/strobepowersuppliescanbe calculatedbyaddingthestrobecurrentinTable1-Atothe horncurrentinTable1-Bfromthechosensettings. In May 2004 Underwriters Laboratories changed standard UL 1971 to require that operating current measuremments are made using RMS (root mean square) instead of peak or average values. RMS measurements more accurately predict the power consumption of a device since they take into account the entire current draw profile including surge, repetitive surge, and peak values. The published RMS cur- rent is the maximum operating current of that device within its operating voltage range. This current maximum may or may not occur at the endpoints of the voltage range. Similarly, UL tests the audibility of devices in accordance with UL 464 by measuring them across the operating volt- age range to determine the minimum sound pressure level produced at any particular setting. |
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