SIEMENS 6DD1606-3AA0 6AV6641-0BA11-0AX1(6AV3607-1JC20-0AX1) 6SY7000-0AA77 3NE3334-0B(6SY7000-0AB87) 6SL3985-6TM00-0AA0 6SL3985-6TM00-0AA0(6SY8102-0LB00) 6SY8102-0GB30 6EP1333-2BA00 6SY7010-2AA01 6SY8101-0AA32 6SL3985-6TM00-0AA0(6SY8102-0LB01) 6SY8102-1EB30 6EP1333-1SL11 6DD1660-0BH0 6BK1700-2BA00-0AA0 1LG4258-4AA90-Z ( A11+C18+G17+H73+L1L ) 6DD1600-0BA2 6DD1610-0AH6 6DD1682-0CH2 6DD1681-0GK0 6DD1682-0CG0 6DD1607-0AA2 6DD1842-0AA1 6DD1607-0CA1 6DD1842-0AB1 6DD1610-0AH3 6DD1610-0AH6 6DD1607-0AA2 6DD1684-0GD0 6BK1700-2BA20-0AA0 6BK1700-2BA30-0AA0 7KG6000-8AA 6DD1681-0CA2 7XR6100-0CA00(CC) IM GEHAEUSE 7XP20 FUER SCHALTTAFELEINBAU 7MB2337-1AL00-3CM1 6DD1684-0FE0 6DD1684-0AH0 6DD1684-0BH2 6DD1684-0EK0 6DD1684-0BC0 6DD1684-0FF0 6DD1610-0AH0 6DD1610-0AH4 6DD1684-0GD0 6DD1607-0AA2 6DD1607-0CA1 6DD1681-0GK0 6DD1600-0BA2 6DD1842-0AA1 6DD1681-0GK0 6DD1681-0AJ1 6DD1607-0AA2 1LG4186-6AA60-Z 6SL3955-6HC01-0AA0 7NG4124-0AA004-20MA 武汉市金楚中元商贸有限公司 小周 136--286--914--54 781--100--126 6DD1607-0CA1 6DD1607-0AA2 6DD1681-0EB3 6DD1681-0GK0 6DD1681-0AJ1 6DD1684-0GE0 扫描周期是PLC的一个重要指标,小型PLC的扫描周期一般为十几毫秒到几十毫秒。PLC的扫描周期长短取决于扫描速度和用户程序的长短。毫秒级的扫描时间对于一般工业设备通常是允许的,PLC对输入的短暂滞后也是允许的。但对某些I/O快速响应的设备,则应采取相应的处理措施。如选择高速CPU,提高扫描速度;选择快速响应模块、高速计数模块以及不同的中断处理等措施减少滞后时间。对于用户来说,要提高编程能力,尽可能优化程序;而在编写大型设备的控制程序时,尽量减少程序长度,选择分支或跳步程序等,都可以减少用户程序执行时间。 LOT 6 NEW SQUARE D SB9.10 OVERLOAD RELAY THERMAL UNIT D235940 NEW TRIANGLE DN6256 ADJUSTING FOLLOWER SHAFT D286040 LOT 2 MORRILL MOTORS SP-B6EMV1 CLASS B 6W 115V 1550RPM BLOWER MOTOR B235597 LOT 2 NEW NORDSON 153041 MOUNTING BLOCK D226726 NEW CURTIS INDUSTRIES CJ650 UNIVERSAL SINGLE JOINT 2-1/2IN STEEL B232796 LOT 5 WEISS 0-300 PSI 3/8 NPT 4IN FACE PRESSURE GAUGE B217924 LOT 2 NEW MILWAUKEE TYPE-27 6X.045X7/8IN 10185RPM CUT-OFF GRINDING WHEEL B279331 LOT 2 NEW DEWALT A24R-BF DW4624 TYPE27 6X1/4X7/8IN 10100R GRINDING WHEEL B279326 LOT 5 NEW APPLETON THREADED REDUCING BUSHING 1IN NPT B273389 NEW WINPAK 242048 ROLLER HOLDER D294971 NEW PNEUMATIC SCALE 216394-20368 ROLLER HOLDER D305601 NEW WOODWARD C-17007 100284-004 CAGE SERVO VALVE D324464 LOT 7 NEW BULLARD 20NC CHIN STRAP FOR RESPIRATOR HOOD B215166 NEW PAGO 65-1649 FEED WHEEL ALUMINUM D220790 LOT 2 NEW MARTIN 6J COUPLING FLANGE 5/8IN BORE QUADRA-FLEX B211227 NATIONAL F 1.2 CCTV SECURITY CAMERA MOUNT AUTO IRIS ZOOM LENS 1:1.2 6MM B328576 NEW CAT 9722002700 FORKLIFT BRUSH SPRING D229810 NEW ALFA LAVAL RC54MP202 SIGHT GLASS D331084 LOT 14 NEW INERTECH BRANDED RING GASKET 1/8 X 3IN B279244 LOT 2 TRI CLOVER STAINLESS SANITARY CLAMP 2IN B321782 LOT 2 TRI CLOVER STAINLESS SANITARY CLAMP 2IN B321788 NEW ROCKFORD SAFETY EQUIPMENT YELLOW NYLON WEB SLING STRAP 6FT LENGTH B333376 LOT 2 SCHRADER BELLOWS 094524000 PIPE CONNECTOR KIT 1/4IN SIZE ASSEMBLY B265990 LOT 7 NEW ALLIED WITAN C28 ADJUSTABLE FLOW MUFFLER 1/4IN NPT 150PSI D250981 NEW NISSAN 44167-L0700 LH LEVER AUTOMATIC D252488 LOT 2 NEW INTERMATIC LC4535 PHOTO CONTROL 480V-AC 1000W TUNGSTEN BALLAST D299130 LOT 2 NEW DOMINO LMGGE AMJET 250V-AC 5A AMP ROLLER LIMIT SWITCH D306974 NEW MARKEM 5824605 SHOE BRAKE D249427 UNIVERSAL SYSTEMS N81204F 4FT HOT MELT GLUE GUN HOSE 230V-AC 87W WATTS B233552 NEW KHS-BARTELT 0-289-00-712-9 CLAMPING LEVER D271281 LOT 12 NEW URSCHEL 53062 CROSSCUT KNIFE BLADES D274336 NEW BRAIDED HOSE STAINLESS STEEL 3FT 1IN B281000 NEW NATIONAL PARTS SUPPLY 428330184 283-30184 SPACER BLOCK D252992 LOT 6 FOXBORO PB-CA/CC BELLOWS PRESSURE ELEMENT FOR INDICATION 3-15PSIG B207608 LOT 3 JRM ASSORTED GH60W CERAMIC TUBE RESISTOR BG/BJ/BD 60W 2OHM B242566 LOT 2 NEW SPAN TECH DS4039S87 **STIC SEAL RING D219387 2X THERMO DL-1000 THERMOCOUPLE INSULATED TEMPERATURE HEATER SENSOR PROBE B202898 NEW PACIFIC A-6054-2 NUMBER 3 SUPPORT **TE D302390 NEW 242 VITON CLEAR TEFLON CASING O-RING 4X4-1/4X1/8IN D330602 LOT 2 NEW GATES G60301-1212 12MB-12MJ MALE PIPE ADAPTER D321545 NEW NATIONAL PARTS SUPPLY 420230064 SPACER BLOCK D215546 PARKER LG SPOTFACE ISO 6149 1/8IN-1-1/2IN NPT 20-SLOT TRANSITION **TE B244931 LOT 7 NEW WILDEN SP32B PUMP RING 60X50X5MM D310460 NEW LIN-ACT A3SKC2 REPAIR KIT D280186 NEW NPS 421366205 SET SCREW FULL DOG HEAD TYPE HEX SOCKET D243918 LOT 24 NEW CASCADE 675326 ARM BAR CARTON CLAMP BEARING SHIM D230366 LOT 3 FUJI BU3EHC-015L CIRCUIT BREAKER 3P CSA UL 15A 250V-DC 600V-AC B207304 NEW WAUKESHA 13ILH-300-3/13I?S-3 3 IN IN-LINE CLAMP STAINLESS SANITARY D262056