Webファン速度を温度関数として制御するのは、システムノイズを減らしたりファン寿命を延ばすのに有用な技術です。. ファン速度を制御するのに使用可能な集積回路 (IC)が扱われています。. ブラシレスDCファンモータの制御方法はいろいろあります。. 最も ... WebAug 28, 2024 · 主板4线风扇原理分析. 四线风扇内部结构是什么,tach输出引脚是否所有风扇都是开漏输出的? 具体的IC内部结构会有差异,主要差别在输出时的保护电路,理论上来说,一般的风扇TACH信号输出都是开漏或者开积电极的,但不排除有个别的风扇,应客户的要 …
CPU风扇是如何工作的? - 知乎 - 知乎专栏
http://www.comairrotron.com/methods-monitoring-fan-performance WebHere is a typical CPU fan tachometer circuit. The main IC drives a pair of coils, and produces the tach signal. The diode D provides protection against incorrect insertion of the fan plug. The tach output is typically a yellow coloured wire and is the centre pin. The value of the pull-up resistor R is calculated from the transistor saturation ... allar rebane
風扇控制功能 - 知識領域 - 鑫賀科技股份有限公司
WebJan 16, 2015 · 症狀. Lenovo NeXtScale n1200機箱可能會遇到風扇錯誤,生成風扇功率控制器(FPC)事件如下:. 關鍵 2015-03-28 12:14:17(UTC 0000) FAN_Tach_9B:風扇傳感器,關鍵事件被斷言,讀取值:1472RPM(閾值:1472RPM). 警告 2015-03-28 12:14:24(UTC 0000) FAN_Tach_9B:風扇傳感器,關鍵事件 ... WebThe best way to deal with fan failures is to know exactly when a fan fails and moderate the system until repairs can be made. Comair Rotron currently offers two ways to monitor the fans performance. A Tachometer Output is an easy and inexpensive way to monitor the speed at which the fan is running. WebSep 17, 2024 · Tach signal from FAN: DS1Z_QuickPrint4 800×480 51.5 KB. DS1Z_QuickPrint5 800×480 51.5 KB. Mimicked Tach signal from FG: DS1Z_QuickPrint7 800×480 44.7 KB. DS1Z_QuickPrint9 800×480 39.4 KB. There seems to be less noise on the signal from the low cost FG and something different with the voltage. I set it to 5Vpp … all arrivo