Try this [#3861085@0 -ROLIA.NET 相约加拿大网上社区 之 枫下论坛 & 枫下部落, 枫下论坛主坛 ]
Try this
by
mpoon
(助人为快乐之本)
at
2007.8.10 11:43
(#3861085@0)
Try these
http://www.plctalk.net
http://www.eng-tips.com/threadminder.cfm?spid=791
http://forum.mrplc.com/index.php?s=9a3442d340a44863aed3d65bc0ce4922&showforum=1
http://pub23.bravenet.com/forum/show.php?usernum=1896413215