发布时间:2025-02-06 01:52:42
1、首先,将485通讯线连接到主机模块的A、B端子。
2、其次,串联的汇流箱之间连接485通讯屏蔽线。
3、最后,将串联的所有汇流箱的屏蔽线悬空后,在通讯管理机处单点接地。
这种普通的声控灯头怎么不让它那么灵敏有一点很小的声音就会量怎么调啊
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