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6SY7000-0AA77
3NE3334-0B(6SY7000-0AB87)
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6SL3985-6TM00-0AA0(6SY8102-0LB00)
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6SL3985-6TM00-0AA0(6SY8102-0LB01)
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掃描周期是PLC的一個(gè)重要指標(biāo)，小型PLC的掃描周期一般為十幾毫秒到幾十毫秒。PLC的掃描周期長(zhǎng)短取決于掃描速度和用戶程序的長(zhǎng)短。毫秒級(jí)的掃描時(shí)間對(duì)于一般工業(yè)設(shè)備通常是允許的，PLC對(duì)輸入的短暫滯后也是允許的。但對(duì)某些I/O快速響應(yīng)的設(shè)備，則應(yīng)采取相應(yīng)的處理措施。如選擇高速CPU，提高掃描速度；選擇快速響應(yīng)模塊、高速計(jì)數(shù)模塊以及不同的中斷處理等措施減少滯后時(shí)間。對(duì)于用戶來(lái)說(shuō)，要提高編程能力，盡可能優(yōu)化程序；而在編寫(xiě)大型設(shè)備的控制程序時(shí)，盡量減少程序長(zhǎng)度，選擇分支或跳步程序等，都可以減少用戶程序執(zhí)行時(shí)間。



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 PLASTIC SEAL RING D219387
2X THERMO DL-1000 THERMOCOUPLE INSULATED TEMPERATURE HEATER SENSOR PROBE B202898
NEW PACIFIC A-6054-2 NUMBER 3 SUPPORT PLATE 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 PLATE 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