扫描周期:是PLC每执行一遍从输入到输出所需的时间.
工作过程是
1.输入现场信号:在系统的控制下,顺序扫描各输入点,读入的输入点的状态.
2.顺序扫描用户程序中的各条指令,根据输入状态和指令内容进行逻辑运算.
3.并输出控制信号,根据逻辑运算的结果,输出状态寄存器向各输出点发出相应的控制信号.实现所要求的逻辑控制功能.
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我们有大量库存的控制系统部件。 我们还有许多新的硬件和停产备件，以帮助支持你现有的控制系统。
您或许会在我们的资料中找到您需要的备品备件，在任何时间，我们都欢迎您对我们产品提出宝贵的建议。
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可当天发货！
BRADY B30EP-169-593-WT RAISED PUSH BUTTON 1.8"X1.8" 190/ROLL NO BOX (L5)
BRADY B30EP-169-593-WT RAISED PUSH BUTTON 1.8"X1.8" 190/ROLL NO BOX (L5)
BRANSON 1732-B-58865 CONTROLLER NO BOX A26
BRANSON 1732-B-58865 CONTROLLER NO BOX A26
BRINKS 140B SOLVENT SPRAY GUN SPRAYER CLEANER 10" NOZZLE CHEAP (J3-1)
Brooks Instrument 4800 Series Mass Flow Meter 4850JAB1B1F3QBA 500SCCM B15
BROWN & SHARPE 599-792-21 Edge Finder B5
Brown & Sharpe Control Board P/N 80-106 Rev A (C42)
BROWNING GEAR REDUCER CBN2203SB8U56CNM 90:1 1750 RPM (1D)
Bussman KAJ-60 Tron Rectifier Fuse Box of 10 P2
Bussman KAJ-60 Tron Rectifier Fuse Box of 10 P2
BUSSMANN J60400-STR BUSS FUSEHOLDER 310A J604001-1CR CLASS J NO BOX (L6)
BUSSMANN KRP-C-800SP LOW-PEAK 800 AMP TIME DELAY FUSE NO BOX (B12)
C. EHRENSPERGER PAGERIS EHM 0.18/6 EHM MIXER MOTOR NO BOX (H1)
Cannon Technologies, Inc. Capacitor Bank Controller CBC-5010 B6
CARR LANE ROEMHELD CLR-1895-133-SCD HYDRAULIC SWING CLAMP (Q4)
CARR LANE ROEMHELD CLR-1895-133-SCD HYDRAULIC SWING CLAMP (Q4)
Carrier Products HK37AA102 CIRCUIT BOARD NO BOX A33
CATERPILLAR CAT 844 HIGH PRESSURE HOSE 1E0844 NO BOX (J2)
CCS Cognex DVT CLM-74x27RD-STOL Bar Light 119-0497 No Box J7
CCS Cognex DVT CLM-74x27RD-STOL Bar Light 119-0497 No Box J7
CCS POWER SUPPLY PB-2430 NICE Q2
CDI 50T-2R Pre Set Torque Wrench 10-50 FT/LB 3/8" DRIVE (C40)
CDI 50T-2R Pre Set Torque Wrench 10-50 FT/LB 3/8" DRIVE (C40)
Cecom Falcon Series Digital Pressure Gauge F16ADA100PSIG-1N 0-100.0 PSIG A33
Cecom Falcon Series Digital Pressure Gauge F16ADA100PSIG-1N 0-100.0 PSIG A33
CECOMP 0-100 PSIG DPG1000 ADA100PSIG-1N DIGITAL PRESSURE GAUGE C60
CHICAGO PNEUMATIC CP-3081 TENUDA PNEUMATIC NUTRUNNER CAN-11T RPM 400 (N3)
CINCINNATI MILACRON 240V 35A 60Hz SINGLE-PHASE ACRADRIVE P-56 USED
CINCINNATI MILACRON SIEMENS CIRCUIT BOARD CARD 3-424-2442A01 FOR PARTS/REPAIR E5
Cincinnati Test Systems Sentinel I-21 Pressure Decay Instrument 121-S-100 Used1C
Circuit Board Remanufactured C55
CITADEL NETFORCE RUGGED VEHICLE MOUNT COMPUTER USED
CLARKE AMERICAN LINCOLN DOUBLESCRUB 7-08-03269 DOUBLE SCRUB NO BOX (N8)
Cleco TME 22/42BL TOOL CABLE 541031-6M Gardner Denver Used
Cleco TME DC TOOL CABLE 542779-10M Gardner Denver Used
CLEVELAND CONTROLS AFS-951 DIFFERENTIAL PRESSURE SWITCH AFS 951 (A17)
Cleveland Kidder MWI-13466 Load Amplifier Nice (S3)
CLEVELAND MOTION CONTROL MT2130-071BE PM FIELD SERVO MOTOR NO BOX (I3)
Clyde Corp Clydematic Escapement A8
CM Control Methods FCD120 Power Controller FCD 120 (H5)
CML MACARR A1K POWER SUPPLY 1KVA OUTPUT 208/230V 57-65HZ OUTPUT (B)
Cognex 1460 Expansion I/O Module with Relays and Manual IN BOX (R3)
COGNEX 800-9012-1R-A CHECKER I/O MODULE NICE Q4
COGNEX 800-9012-1R-A CHECKER I/O MODULE NICE Q4
COGNEX CCS LFR-130 LED LIGHT RING LED RADIATION CLASS 2 LED (A11)
COMAIR ROTRON SPRITE MODEL SU24A5 FAN 028458 IN BOX B2
COMMAND C6C4-0032 EXTENDED TOOL HOLDER NICE (A17)
COMPUMOTOR S106- ???-MO-S SERVO MOTOR WITH CABLE ASSEMBLY FOR PARTS (I3)
Computechnic P6S510 Control Card Circuit Board C58
Computechnic P6S510 Control Card Circuit Board C58
Computechnic PAPPCL40 Control Card Circuit Board C58
Computechnic PAPPCL40 Control Card Circuit Board C58
COMSTAR 16 INPUT LATCHING PHOTO ISOLATOR 8004-9100B NO BOX C15
COMSTAR 16 INPUT LATCHING PHOTO ISOLATOR 8004-9100B NO BOX C15
CONDOR VHA423 POWER SUPPLY IN BOX (B4)
CONDOR VHA423 POWER SUPPLY IN BOX (B4)
CONTINENTAL HYDRAULICS VS12M-1A-GBL1-60L DIRECTIONAL VALVE NICE (B03)
CONTINENTAL VSD05M-2A-GB5H-60L-A HYDRAULIC VALVE IN BOX (H4)
CONTROL GAGING MONITOR TEST BOX 41165 (G6)
CONTROL GAGING MONITOR TEST BOX 41165 (G6)
Cooper DGD 1034-2 LS 4Q.REG.EDR5 Circuit Board C35
COOPER POWER SYSTEMS CL-4C VOLTAGE REGULATOR CONTROL MCGRAW EDISON CL-4C 6C
COOPER POWER SYSTEMS CL-5A VOLTAGE REGULATOR CONTROL MCGRAW EDISON NICE 6C
COOPER POWER SYSTEMS CL-5A VOLTAGE REGULATOR CONTROL MCGRAW EDISON NICE 6C
COOPER POWER SYSTEMS CL-5C VOLTAGE REGULATOR CONTROL MCGRAW EDISON CL-5C 6C
COOPER POWER SYSTEMS CL-5C VOLTAGE REGULATOR CONTROL MCGRAW EDISON CL-5C 6C
Cooper Rotor Tool 9917-60100 Annunciator (B2)
COPAL PG-35-102A-PR2 Pressure Gauge B6
Corsair Builder Series V2 CX 600 Watt ATX 80 PLUS Brand In Box 9F
Cosel K15A-5 Power Supply B13
COSEL P30E-15 15V 2A POWER SUPPLY UNIT ASSEMBLY IN BOX B4
COSEL PBA300F-36 POWER SUPPLY NICE (O3)