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Would like to know What is the 24V wiring for? Did you do it yourself or what is the cost if you hired others to do that? Thanks.
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24v的线是为传感器的。我会在地下室加个工业PLC收集温度,湿度,区域控制,报警等信号,这是我以前做智能大厦设计的时候给我自己设计的。你们不必跟我学,如有问题我可以解答。' r) f3 m5 `( t, ?% p
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我自己有 ... 5 i, g/ j& J$ R& T& }AASTAR 发表于 2009-12-25 11:47