最简单的软起动法是用一个延时继电器(delay on timer)或电路，配以一只大瓦数电阻，连接。延时只需3至5秒，绝对不宜太久，电阻则以能将220v降到175v左右为合适。
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This minimum timer delay also helps to avoid timer resolution issues in other browsers and on other systems.
此最小定时器延时也有助于避免其他浏览器和其他操作系统上的定时器分辨率问题。
Both of the timer LOGO! and STEP7 have the function of on-delay, off-delay, retentive on-delay and edge-triggered interval time-delay. LOGO!
和STEP7的定时器都具有接通延时、断开延时、保持接通延时、边缘触发延时和脉冲输出功能，LOGO！
The timer can perform functions like frequency measurement, event counting, interval measurement, clock generation, delay timing, and so on.
计时器可以履行功能，如频率测量，事务计数，间隔测量，时钟产生器，延迟时候等。
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