BG563751551
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BG563751551 06/06/2018
I·​ordered·​three·​controllers.·​One·​of·​them·​has·​a·​really·​anemic·​beeper·​that·​is·​almost·​impossible·​to·​hear.·​So,·​this·​is·​something·​to·​test·​for·​when·​you·​receive·​the·​controller.·​Don't·​let·​the·​failing·​beeper·​lull·​you·​into·​a·​false·​sense·​of·​security.·​Fortunately,·​beepers·​are·​dirt·​cheap·​and·​that's·​easy·​to·​fix. Next,·​after·​replacing·​the·​beeper,·​I·​noticed·​that·​the·​fan-failure·​alarm·​kept·​going·​off·​non-stop.·​Turns·​out,·​I·​am·​using·​8"·​PC·​case·​fans,·​and·​those·​fans·​don't·​actually·​turn·​very·​fast·​even·​at·​100%·​duty·​cycle.·​They·​max·​out·​at·​about·​800·​RPM.·​So,·​I·​need·​to·​set·​them·​to·​about·​50%·​duty·​cycle·​for·​the·​controller·​to·​shut·​off·​the·​alarm.·​I·​wish·​the·​RPM·​for·​the·​alarm·​was·​user·​adjustable.·​375·​RPM·​is·​definitely·​too·​high·​for·​larger·​fans. As·​others·​have·​stated,·​the·​controller·​cannot·​turn·​the·​fans·​off·​completely.·​This·​is·​not·​a·​problem·​for·​my·​use·​case.·​But·​it·​could·​be·​a·​real·​problem·​for·​other·​users. If·​a·​fan·​temporarily·​fails,·​it·​would·​be·​smart·​if·​the·​controller·​briefly·​switched·​to·​100%·​duty·​cycle·​until·​the·​fan·​starts·​spinning·​again.·​This·​helps·​with·​fans·​that·​have·​stuck·​because·​of·​a·​seized·​bearing.·​Unfortunately,·​as·​far·​as·​I·​can·​tell,·​this·​controller·​doesn't·​do·​so.·​So,·​pay·​special·​attention·​to·​failed·​fans·​and·​make·​sure·​to·​hook·​up·​the·​beeper.·​You·​don't·​want·​your·​hardware·​to·​fry. Configuring·​the·​controller·​isn't·​too·​difficult.·​But·​the·​English·​description·​is·​a·​little·​hard·​to·​understand.·​I·​made·​up·​a·​better·​description·​for·​my·​own·​records: During·​normal·​operation,·​the·​display·​cycles·​through·​showing·​the·​RPM·​(in·​10/min)·​and·​temperatures·​(in·​°C)·​for·​one·​or·​for·​both·​fans·​(see·​below).·​The·​status·​LEDs·​signal·​which·​value·​is·​currently·​being·​shown. Configure·​the·​minimum·​speed·​by·​pressing·​“OK”·​and·​adjusting·​speed·​for·​FAN·​1.·​The·​value·​is·​a·​percentage·​duty·​cycle.·​Actual·​RPM·​depends·​on·​the·​fan·​and·​must·​be·​verified·​manually.·​Press·​“OK”·​to·​confirm,·​then·​adjust·​minimum·​speed·​for·​FAN·​2.·​Press·​“OK”·​one·​more·​time·​to·​save·​the·​settings.·​Please·​note·​that·​speeds·​should·​be·​higher·​than·​375·​RPM·​as·​anything·​below·​that·​threshold·​is·​considered·​a·​failed·​fan·​causing·​the·​beeper·​to·​go·​off. If·​the·​settings·​aren’t·​saved·​by·​pressing·​the·​final·​“OK”,·​then·​15s·​later,·​the·​controller·​reverts·​to·​normal·​operation·​and·​discards·​the·​changed·​settings. Long·​press·​and·​hold·​the·​“OK”·​button·​to·​adjust·​separate·​temperature·​thresholds·​for·​both·​fans.·​Set·​the·​bottom·​threshold·​for·​FAN·​1·​in·​°C.·​It·​is·​displayed·​as·​L**.·​Then·​press·​“OK”·​to·​adjust·​the·​upper·​temperature·​threshold·​H**.·​Between·​these·​two·​temperatures,·​the·​fan·​gradually·​ramps·​up·​from·​its·​minimum·​speed·​to·​its·​maximum·​speed.·​Press·​“OK”·​to·​confirm·​and·​then·​configure·​whether·​the·​beeper·​should·​warn·​about·​fan·​failure·​(“BON”·​or·​“BOF”)·​.·​Repeat·​for·​FAN·​2.·​A·​final·​“OK”·​saves·​the·​new·​values.·​L**·​and·​H**·​must·​be·​at·​least·​5°C·​apart. If·​the·​“OK”·​button·​is·​pressed·​upon·​power-on·​of·​the·​controller,·​it·​is·​possible·​to·​enable·​(“2ON”)·​or·​disable·​(“2OF”)·​the·​display·​for·​the·​second·​fan.·​Press·​“OK”·​to·​save·​settings·​and·​to·​return·​to·​regular·​operation.·​Please·​note·​that·​this·​setting·​only·​affects·​the·​information·​that·​is·​shown·​on·​the·​display.·​It·​does·​not·​affect·​operation·​of·​the·​fans.·​Most·​notably,·​if·​you·​don’t·​disable·​the·​beeper·​(“BOF”)·​for·​the·​second·​fan,·​it·​will·​still·​keep·​going·​off. Disconnect·​the·​fans·​and·​press·​both·​“+”·​and·​“-”·​upon·​power-on·​to·​go·​into·​advanced·​settings·​mode.·​You·​can·​configure·​the·​controller·​for·​normal·​operation·​“F-1”·​or·​for·​reverse·​operation·​“F2”.·​Then·​press·​“OK”·​to·​save·​settings.
Контроллер температуры и скорости вентилятора ZHIYU® DC 12V 24V 48V с плавной регулировкой, 2 варианта охлаждения, 4 проводка
US$8.99 US$19.99
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