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73998009 — Sun, 20 Jul 2014 02:54:28 +0000

лл��ʦ��ָ��,��,��æʱ��<��TK6070IP/RS485��̨��EH3/PLC COM2��ͨѶ>

73998009 — Sat, 19 Jul 2014 01:13:28 +0000

[quote]��õ�4¥��2014-07-18 15:26�� : ��Եģ��㲻Ҫ��ڴ��ϵ��Ǹ��ڣ��һ��Ͽ��484��һ��Ȼ��Լ��һ��ڣ��ٽ��Ȼ��ͨѶ��ˣ��ע��ˣ��Ҫ�Ѵ��plc��վ��һ�� ok [/quote] лл��

�� — Fri, 18 Jul 2014 07:26:56 +0000

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73998009 — Fri, 18 Jul 2014 07:11:51 +0000

[quote]��õ�2¥ltgas��2014-07-18 14:04�� : Ϊʲôһ��Ҫ��RS485,̨��PLC��CPU��RS232C�ģ��RS232C�񲻸��ã��ù�Proface��̨��PLC��CPU��(Բͷ�ӿ�)RS232CͨѶ. [/quote] ��Ϊ��485�ڸ��,��ת��Ҳ�鷳,

ltgas — Fri, 18 Jul 2014 06:04:21 +0000

Ϊʲôһ��Ҫ��RS485,̨��PLC��CPU��RS232C�ģ��RS232C�񲻸��ã��ù�Proface��̨��PLC��CPU��(Բͷ�ӿ�)RS232CͨѶ.

73998009 — Fri, 18 Jul 2014 01:20:25 +0000

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