Pneu. solenoid valve energized w/o air; wrong lights on! Multiple faults found. [Chengyang]

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Chengyang Electric Circuit

Chengyang Electric Circuit

4 ай бұрын

Hi everyone this is [Chengyang Electrical Circuit]]
KZbin only channel ~
I am a common electrician in Qingdao Shandong Province working for 18 years
Maintenance and installation of factories equipment homes various circuits
Share electricity knowledge maintenance process various circuit maintenance examples video
If you like my video you can subscribe to it ~
/ @user-yg5yt2ni3x
repair# vlog# circuit# repair# knowledge# encyclopedia
Our videos are designed to provide valuable content for our viewers with absolutely no violations.

Пікірлер: 13
@zhiminli4727
@zhiminli4727 4 ай бұрын
视频中案例使用的PLC是Omron sysmac cp1h, 该PLC内部存储器有512 Words的Holding area(H000~H511), 该内存区域的官方定义是:Words in the Holding Area can be used in programming. These words retain their content when the PLC is turned ON or the operating mode is switched between PROGRAM mode and RUN or MONITOR mode. 意即这些存储区域的值即使断电重启依然会保持他们断电之前的数值。如果用户程序使用了这些存储区域,那么开机就有输出也没有什么好奇怪的了。所以UP主的判断是很武断的。如果有条件,可以用个人电脑安装欧姆龙的编程软件 联机PLC查看用户程序。各主流PLC都有类似数据保持功能。
@tsf4684
@tsf4684 4 ай бұрын
第一种可能性是你说的那样 也有可能是机器要回home position, Y7要开,然后等proximity sensor 或任何的输入信号才关 无论如何,都要进CX programmer 才知道真实情况
@user-wi5xt2xt9m
@user-wi5xt2xt9m 4 ай бұрын
Y輸出主要看PLC程式有沒有導通觸發
@lawml6736
@lawml6736 4 ай бұрын
😂难讲,可能是程序设计一开机,plc 就启运y0y7 因为要子缸向上或向下,不过那电阀就肯定烧了,不知道是什on 太久。
@kerwinchen0620
@kerwinchen0620 4 ай бұрын
原來修水電還要搞到PLC,真是不簡單,一般水電工應該沒有PLC的概念.果然是高手
@EnderLi
@EnderLi 4 ай бұрын
「PLC這時候不應該有輸出」比較有可能是被現場師傅誤導。根據這個錯誤的資訊做出後續無關現實的推理。而這「領導」應該是懂行的,所以裁示PLC不必送修。比較奇怪的是,既然廠裏有懂行的,為何還會外聘水電師傅來維修?這個廠的設備機具保修流程值得重新檢討。
@user-ct4hc4yc4u
@user-ct4hc4yc4u 4 ай бұрын
10分不足證明你的優秀
@tsf4684
@tsf4684 4 ай бұрын
断电后,Y7和COM不通,应该和PLC没关 但输入端没有信号,触屏又被拔了 真实情况还是要进PLC 查一下是PLC编程,还是触点问题
@hkding4177
@hkding4177 4 ай бұрын
断电不通是正常的。通就是PLC 本身的问题了。
@Akinokaze2
@Akinokaze2 4 ай бұрын
有可能X輸入端的位置,例如鑽孔沒感應到回到原點,那輸入端可能就要一直鑽孔後退
@ssb5171
@ssb5171 4 ай бұрын
太武斷了 1. PLC通電後亮燈 一般這是正常得 因為了機台定位安全 避免機台行程在不安全位置 2.另外氣動電磁閥沒作動 可能漏氣未在啟動位置 上點油或強迫鍵按一下 就ok
@leakyzhang5191
@leakyzhang5191 4 ай бұрын
是的,开机常量不足以证明是PLC的硬件问题,主要还是要看PLC的控制逻辑是如何配置的。
@zhiminli4727
@zhiminli4727 4 ай бұрын
咋系统把我的评论吃掉了?
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