1、用中间继电器作为缺相保护装置的线路

2、脚踏开关踩气缸动作实物彩图接线

3、浮球开关的工作原理讲解

4、常用元件代号及图形符号的画法

5、电工必学的7个基础程序-自锁-多点启停-点动加联动运行

6、电工必学的7个基础程序-延时接通、延时断开-交替输出

7、电工必学的7个基础程序-连锁和互锁-闪烁电路

8、220V电机的倒顺开关实物彩图接线方法

9、变频器电路的接线方法

10、时间继电器的接线方法-实物彩图

11、以太网跟PLC通信电路实物图

12、正反转电路实物彩图接线方法

13、互感器与电表的实物彩图接线方法

14、自制温控风扇电路实物彩图方法

15、星三角380V主电路实物彩图接线方法

16、电接点压力表实物彩图接线电路图

17、接触器实现单开双控的实物彩图接线方法

18、空气能热水循环系统电路

19、变频器接线实物彩图电路展示

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丘雁琴4647380v脚踏开关怎么接线 -
韦叛裘15367971834 ______ 脚踏开关 通过脚踩或踏来进行操作电路通断,也可以用来控制输出电流大小的开关. 脚踏开关内结构是一组常开与常闭,在380V电路中,要控制三相电机,必须要用交流接触器,脚踏开关中的常开二端串在交流接触器线圈控制回路中.如控制...

丘雁琴4647用脚踏开关控制电机正反转接线 -
韦叛裘15367971834 ______ 你这个问题说的不是很清楚,变频器本身就可以实现正反转控制,至于行程开关我想用于限位,我不知道你这里是用来做什么,限位限在哪里,没有说清楚,两个按钮就用一般的按钮就可以了,点动一下变频器就正转,点动另外一个按钮变频器就反转.特别说明,变频器正反转通过变频器的控制端子可以实现,当然首先要在参数里面设置成端子控制才可以.

丘雁琴4647一个行程开关两个接触器一个脚踏开怎么接 -
韦叛裘15367971834 ______ 这个就是一个正反转嘛?对于你这个负载不清楚,如果是电机加了减速机,而且是高负载且减速后要求的速度低,就可以直接接个正反转电路,如果你这个是高速这个就要加一个制动的装置,要不然在你停止后还会因为惯性滑行一段时间才能停止下来,给你画了个电路图,是用的是能耗制动,如果你不想刹车,把后面的刹车电路去掉就可以.电路中用的时间继电器是断电延时断开的.

丘雁琴4647一个空开,一个交流接触器加一个脚踏开关控制电机正反转 -
韦叛裘15367971834 ______ 脚踏开关有一组常开一组常闭触点,机械式外控自锁,单接触器无法实现正反转,须再加一个接触器,然后利用电气互联自锁方式进行控制电机正反转.常闭触点:继电器在线圈没有得电时,闭合状态的触点是常闭触点.行程开关、压力继电器等元件,在不受外力的情况下,断开状态的触点是常开触点、闭合状态的触点是常闭触点.所谓的继电器线圈没有得电就是给继电器线圈供电的开关处于断开的状态,继电器本身常开触点是断开状态,常闭触点是闭合状态.

丘雁琴4647两个交流接触器已互锁怎样接一个脚踏开关能正反转 -
韦叛裘15367971834 ______ 把手动的那个图纸里面的,正反转按钮改成你要用脚踏的开关就可以了,

丘雁琴4647一个脚踏两个接触器控制正反转怎么接 -
韦叛裘15367971834 ______ 一个脚踏开关,只能是接通电源时正传,踩下脚踏开关时反转.

丘雁琴4647三相异步电动机使用脚踏开关控制如何接入线? -
韦叛裘15367971834 ______ 主电源进倒顺开关 倒顺开关出线进接触器上接线端 接触器出线端进电机脚踏开关控制接触器这样接线就可以了

丘雁琴4647CNDF调速器US - 52如何连接脚踏开关 -
韦叛裘15367971834 ______ US-52 A型调速器的主线(图中1引脚)与电动机的工作绕组相连.US-52 A型调速器的COM为公共接点,分别与接电容器的US-52 A型调速器的CW(正转)、CCW(反转)短接,实现电动机的正反转.

丘雁琴4647气动脚踏开关怎么接气
韦叛裘15367971834 ______ 一般在连接220v的时候是相互串联的一种连接方式.首先你在打开这个气动开关的盖板之后,会发现上面有正负两个接孔,然而在±2个接孔上,其实相互串联并不是单纯的...

丘雁琴4647怎么接,脚踏开关用在三相电机 -
韦叛裘15367971834 ______ 要通过一个接触器来控制就容易多了.就是把脚踏开关接在接触器的控制电路中就行了,脚踏下接触器吸合,电机得电运转,松开脚踏开关,接触器释放,电机失电停转.