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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侯泪香3930如何用两个点动开关控制一个接触器自锁,再加一个脚踏开关点动呢 -
暴宇儿19279196792 ______ 连接方式:脚踏开关中的常开触点串接在电源与380v交流接触器线圈之间,脚踏开关有三根线,一根控制线是常开,一根控制线是常闭,另一根是常开与常闭的公用线,我们只用一根控制线是常开,另一根是常开与常闭的公用线.

侯泪香3930自锁怎么接线? -
暴宇儿19279196792 ______ 自锁 电动机起动后,松开启动按钮,接触器通过自身常开辅助触头而使线圈保持得电的作用称为自锁.实现自锁主要是将接触器触点并联于按钮,达到启动自锁功能:

侯泪香3930自动门脚踏开光怎么接线 -
暴宇儿19279196792 ______ 开关两根线接控制器开门接点

侯泪香3930如何增加脚踏开关用来点动控制电动机,怎么接线?(本来有两个按钮开关) -
暴宇儿19279196792 ______ 你可以把脚踏开关并联在两个按钮上,两个按钮有直接连线的不用接.停止按钮换成旋转按钮.使用脚踏开关时,旋转断开停止按钮.

侯泪香3930AC 380V 脚踏开关线路如何接入? -
暴宇儿19279196792 ______ 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.如控制是380V二相电器,如该电器额定电流小于脚踏开关触点额定电流,脚踏开关可直接串入380V二相电器回路中,如该电器额定电流太于脚踏开关触点额定电流,必须要用交流接触器. 但从安全用电角度讲,交流接触器线圈额定电压要用36V以下,控制回路中增加一只控制变压器.

侯泪香3930电路图的自锁是怎么接线的? -
暴宇儿19279196792 ______ 按钮开关与接触器常开触点(13NO、14NO)并联,按动按钮接通电源,接触器通电吸合,常开触点接通替代按钮通电成为自锁. http://hi.baidu.com/%B3%C2%BC%E1%B5%C0/album/item/eebf313c86970fc63d6d9714.html

侯泪香3930脚踏开关怎么接线电动螺丝刀?请大神指点! -
暴宇儿19279196792 ______ 个人感觉,电动螺丝刀还是手控制开关安全,因为当螺丝刀旋动螺丝遇有不正常阻力时,只要松手就会断电停止工作,而采用脚踏开关是需要手和脚的配合,会有安全隐患的,连接线路虽然没有啥技术,只要将电源线L(火线)断开将脚踏开关的动合触点串联连接上就可以,但还是要善意提示,电气安装危险多多,必须由专业电工操作.

侯泪香3930脚踏开关红.黑.白三根线哪根是地线是否也要接 -
暴宇儿19279196792 ______ 具体需要看脚踏开关是控制什么的,开关结构如何等才好判断;不过若是三根线是从开关引出的,开关外壳是金属的,那么接在外壳上的一根线肯定需要接地(安全防护用的接地线).

侯泪香3930按钮开关接线图 -
暴宇儿19279196792 ______ 这个开关如果接一个正反转控制,需要四根线. 分别是电源线一根,控制线两根,自锁线一根. 控制线分别接蓝黑按钮输出,电源接红色常闭触点,常闭输出接启动,在引一根自保线自锁.

侯泪香3930电动机正转自锁控制电路的实物接线图怎么连?有图... -
暴宇儿19279196792 ______ 1、如图所示: 2、按下启动按钮C接触器线圈c的电,接触器闭合辅助触头FR闭合电就从FR经过闭合的QF到达接触器线圈C形成回路 就起到了自锁作用FR就是一个自锁触头. 3、电动机主要由定子与转子组成,通电导线在磁场中受力运动...