西门子资料库

<h3>一、变量与接口信号</h3> <p>1、[SINUMERIK 840D sl NC 变量和接口信号]((<a href="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=07500ba630c9857359c4805180e76b48">https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=07500ba630c9857359c4805180e76b48</a> &quot;[西门子接口信号.pdf&quot;) </p> <h3>二、诊断手册</h3>