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RS-422\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u3001\u591a\u70b9\u5355\u5411\u6216\u53cc\u5411\u6570\u636e\u901a\u4fe1\u6807\u51c6\u3002\u5b83\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5373\u4e24\u6761\u4fe1\u53f7\u7ebf\u76f8\u5bf9\u4e8e\u5730\u7ebf\u7684\u7535\u538b\u4ea7\u751f\u5dee\u5f02\uff0c\u4ece\u800c\u62b5\u6297\u566a\u58f0\u5e72\u6270\uff0c\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u548c\u901f\u5ea6\u3002<\/p>\n
RS-485\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u3001\u591a\u70b9\u53cc\u5411\u6570\u636e\u901a\u4fe1\u6807\u51c6\u3002\u4e0eRS-422\u7c7b\u4f3c\uff0cRS-485\u4e5f\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u4f46\u5b83\u652f\u6301\u591a\u4e2a\u53d1\u9001\u5668\u548c\u63a5\u6536\u5668\u8fde\u63a5\u5728\u540c\u4e00\u901a\u4fe1\u603b\u7ebf\u4e0a\u3002<\/p>\n
RS-422\u652f\u6301\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u901a\u5e38\u53ef\u8fbe1200\u7c73\u4f20\u8f93\u8ddd\u79bb\u548c10 Mbps\u7684\u6570\u636e\u901f\u7387\u3002\u800cRS-485\u53ef\u4ee5\u652f\u6301\u66f4\u591a\u8282\u70b9\u548c\u66f4\u957f\u8ddd\u79bb\u7684\u4f20\u8f93\uff0c\u4f46\u901a\u5e38\u901f\u7387\u8f83\u4f4e\uff0c\u572810 Mbps\u4ee5\u4e0b\u3002<\/p>\n
RS-422\u4e00\u822c\u5728\u70b9\u5bf9\u70b9\u6216\u70b9\u5230\u591a\u70b9\u7684\u8fde\u63a5\u4e2d\u4f7f\u7528\uff0c\u800cRS-485\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe32\u4e2a\u53d1\u9001\u5668\u548c32\u4e2a\u63a5\u6536\u5668\u5728\u540c\u4e00\u603b\u7ebf\u4e0a\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n
RS-422\u5bf9\u9a71\u52a8\u80fd\u529b\u8981\u6c42\u8f83\u9ad8\uff0c\u53ef\u4ee5\u9a71\u52a8\u975e\u5e38\u957f\u7684\u7535\u7f06\u548c\u9ad8\u8d1f\u8f7d\uff0c\u800cRS-485\u5bf9\u9a71\u52a8\u80fd\u529b\u7684\u8981\u6c42\u66f4\u4f4e\u3002<\/p>\n
RS-422\u5e38\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u3001\u9ad8\u901f\u3001\u53ef\u9760\u4f20\u8f93\u7684\u573a\u5408\uff0c\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u4eea\u8868\u548c\u673a\u5668\u4eba\u63a7\u5236\u3002<\/p>\n
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