How to adjust the threshold of fast rolling shutter?

一般來說，高速門的限位設置內容主要包括確認零位、關門圈數調整、單圈位置微調這三大步驟，其具體的設置方法如下所示：

Generally speaking, the limit setting of high-speed door mainly includes three steps: confirming the zero position, adjusting the number of closing turns and fine-tuning the position of a single turn. The specific setting method is as follows:

1、確認零位

1. Confirm zero position

在快速卷簾門控制系統出廠時，廠家設置的默認運行是電機二十圈，在確認好零位后，按下下行按鈕，快卷門門體會向下運行一小段距離，再按下上行按鈕，確認快速門體是否能達到理想的高度位置，如果位置不合適，就需要進行原點移或是調整零位的機械位置了。

When the fast rolling shutter door control system leaves the factory, the default operation set by the manufacturer is 20 turns of the motor. After confirming the zero position, press the down button, and the fast rolling door will run downward for a short distance, and then press the up button to confirm whether the fast door body can reach the ideal height position. If the position is not appropriate, it is necessary to move the origin or adjust the mechanical position of the zero position.

2、關門圈數調整

2. Adjustment of closing turns

待零位確認后，看下高速門會下降到百分之幾，然后大致估算需要多少圈，通過PJ3參數的運行圈數輸入后，再按下降，看門運行到多少，若發現圈數設多了，就要減掉運行圈數，少的話，自然要加上一定的運行圈數。反復多次調整，待圈數確認完全合適后停止。

After the zero position is confirmed, check the number of turns that the high-speed door will drop to a few percent, and then roughly estimate the number of turns required. After entering the number of operating turns of pj3 parameter, press the drop to see how much the door will run. If it is found that the number of turns is set too much, it is necessary to reduce the number of operating turns. If it is less, it is natural to add a certain number of operating turns. Adjust repeatedly and stop after the number of turns is confirmed to be completely appropriate.

3、單圈位置微調

3. Single turn position fine adjustment

PJ3參數調位置的單位是電機的轉動圈數，所以很容易出現誤差較大的情況，這時當PJ3參數調到jizhi時，就要進入PJ4參數微調。注意PJ4參數是將電機每轉一圈分成一萬個位置信號，這樣位置的調整就會更加準確了。

The unit of pj3 parameter adjustment position is the number of turns of the motor, so it is easy to have large error. At this time, when pj3 parameter is adjusted to Jizhi, it is necessary to enter PJ4 parameter fine adjustment. Note that PJ4 parameter divides each revolution of the motor into 10000 position signals, so the position adjustment will be more accurate.

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