這是西門子 840D sl 系統 DB10 常用信號表。
里面列了 100 個常碰到的信號，有地址、意思、誰傳給誰（PLC 到 NC 還是 NC 到 PLC），還有用得多不多。
現場修機床時，想知道哪個信號是啥意思，怎么傳的，直接查這個表，方便快。
要是想知道更細的，看后面的手冊就行。
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![圖片[1]-西門子 840D sl 系統DB10 接口信號前 100 個常用表，機床維修工現場查得快-機械資源網](http://www.58205.cn/wp-content/uploads/2025/10/20251015182659959-wxsync-2025-10-68976d2039080a9e7d1d285fc03782c9.png)
![圖片[2]-西門子 840D sl 系統DB10 接口信號前 100 個常用表，機床維修工現場查得快-機械資源網](http://www.58205.cn/wp-content/uploads/2025/10/20251015182659539-wxsync-2025-10-c0510c69ca31ad0c90c0072ccff8a17f.png)
通過網盤分享的文件：840Dsl_NC 變量和接口信號v4.8_0818.pdf
鏈接: https://pan.baidu.com/s/12eTWCjfOti7Xbj7i81MtUw?pwd=cd8c 提取碼: cd8c
推薦閱讀（西門子PLC相關教程）
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