[問題] 請問此電路圖為何不用一個relay接點就好
如下圖所示,圖一是書中的線路圖
只要relay動作,接點就會閉合,使電磁閥動作
但是為什麼圖一不改成圖二的方式,
少用一個relay的接點?
麻煩板友解惑,感謝~~
http://imgur.com/kNqX1bX
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 223.138.169.46
※ 文章網址: https://www.ptt.cc/bbs/Electronics/M.1463138911.A.469.html
推
05/13 19:34, , 1F
05/13 19:34, 1F
→
05/13 20:57, , 2F
05/13 20:57, 2F
→
05/13 21:28, , 3F
05/13 21:28, 3F
→
05/13 21:28, , 4F
05/13 21:28, 4F
推
05/13 22:02, , 5F
05/13 22:02, 5F
→
05/13 22:03, , 6F
05/13 22:03, 6F
→
05/13 22:06, , 7F
05/13 22:06, 7F
→
05/14 00:26, , 8F
05/14 00:26, 8F
→
05/14 00:27, , 9F
05/14 00:27, 9F
→
05/17 22:55, , 10F
05/17 22:55, 10F
推
05/17 23:25, , 11F
05/17 23:25, 11F