请问8355的"ON/OFF"端到底应该接在哪里?
![](http://u.dianyuan.com/bbs/u/57/517421190280043.bmp)
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/57/517421190280043.bmp');}" onmousewheel="return imgzoom(this);">这个是精工PDF说明书上的标准电路,“ON/OFF”端是接在输出端的.
![](http://u.dianyuan.com/bbs/u/57/517421190280149.bmp)
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/57/517421190280149.bmp');}" onmousewheel="return imgzoom(this);">这个是说明书上的应用电路,但“ON/OFF”端是接在输入端的.
难道“ON/OFF”端是可以随便接的吗?又有什么区别?