A:1-9短接是A,6–8短接是B,仅后缀名-S的型号支持485.文本各型号引脚定义图如下:
发布者:XINJE HMI,转转请注明出处:https://college.xinje.net/faq_hmi/q%ef%bc%9aop%e7%b3%bb%e5%88%97db9%e5%bc%95%e8%84%9a%e5%ae%9a%e4%b9%89%e5%88%86%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f/1968/
A:1-9短接是A,6–8短接是B,仅后缀名-S的型号支持485.文本各型号引脚定义图如下:
发布者:XINJE HMI,转转请注明出处:https://college.xinje.net/faq_hmi/q%ef%bc%9aop%e7%b3%bb%e5%88%97db9%e5%bc%95%e8%84%9a%e5%ae%9a%e4%b9%89%e5%88%86%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f/1968/
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