0-57404-2B

0-57404-2B

0-57404-2B

0-57404-2B

0-57404-2B

0-57404-2B

0-57404-2B

在使用RS485接口时，对于特定的传输线经，从发生器到负载其数据信号传输所允许的大电缆长度是数据信号速率的函数，这个 长度数据主要是受信号失真及噪声等影响所限制。下图所示的大电缆长度与信号速率的关系曲线是使用24AWG铜芯双绞电话电缆（线 径为0.51mm），线间旁路电容为52.5PF/M，终端负载电阻为100欧 时所得出。

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3 HP Reliance Electric AC VS Drive 2GU41003 NEW F10


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Reliance Electric PHLD-001 PHLD001 41828319A Circuit Board - Used




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NEW RELIANCE ELECTRIC 0-49026-7 TESTER




Reliance Electric 1SU51001 1HP SP500 VS Drive 1 HP NIB