½ÓÊÖÒ»‚€S7-200/226PLC¿ØÖÆϵ½y(t¨¯ng)µÄ¸ÄÔìÕ{Ô‡£¬îl·±³ö¬F(xi¨¤n)Ò»‚€¬F(xi¨¤n)Ï󣺳ÌÐòß\ÐЕrͬһ‚€Ó|ücÔÚ²»Í¬µÄ×Ó³ÌÐòÀï î‘B(t¨¤i)²»Í¬£¨¸÷Ó|üc¶¼ÊÇÓÐЧÕ{Ó㬲»Í¬Î»ÖÃÏàͬÓ|üc֮ǰµÄÄÜÁ÷È«²¿½Óͨ£¬×Ó³ÌÐòÒ²¶¼ÔÚÕ{Óà î‘B(t¨¤i)£©£¬™z²éÁËN*N±é³ÌÐò¶¼›]†–î}£¬‘ÑÒÉÓöµ½ÁË‚÷ÕfÖеÄɽկÎ÷éT×ÓPLC£¬Óд˽›švµÄÓ¡×Cһϡ£