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FW366R 数字信号输入卡
现货、英维思TRICONEX、西屋、西门子停产卡件、模块！特多优惠等您来！！
PLC最重要的特征是“扫描”。PLC上电后，自动重复执行程序扫描和I/O扫描，即输入采样、用户程序执行和输出刷新三个阶段。完成上述三个阶段称作一个扫描周期。在输入采样阶段，PLC以扫描方式依次地读入所有输入状态和数据，并将它们存入I/O 映象区中相应的单元内，输入采样结束后，转入用户程序执行和输出刷新阶段，即使输入状态和数据发生变化，I/O 映象区中的相应单元的状态和数据也不会改变。在用户程序执行阶段，PLC按由上而下、先左后右的顺序依次地扫描程序（梯形图），根据逻辑运算的结果，刷新RAM存储区或I/O映象区对应单元的状态。在输出刷新阶段，根据I/O映象区内对应的状态和数据刷新所有的输出锁存电路，再经输出电路驱动相应的外设，这时，才是PLC 的真正输出。可见，采用PLC程序控制的过程和结果与继电器逻辑回路是有区别的，特别是涉及到梯级的次序、脉冲信号的捕捉等，与PLC的扫描原理是密切相关的。实践中，大量的程序问题均源于此，常常会出现不可思议的结果。因此，设计PLC程序，必须精通PLC的基本原理。
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厦门仲鑫达自动化设备有限公司
欧阳英（销售经理）
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Reliance Electric 0-57010 Dancer Follower Kit ! !
Flowserve 89983 Pneumatic Mechanical Seal Kit ! !
Honeywell 4302801 Junction Box Enclosure RAMPAC ! !
Columbus McKinnon 264P65 Transformer ! !
Rex Manufacturing CE1000JK Transformer 1Ph 1000VA 60Hz ! !
International Rectifier ST330C16C1 Phase Control Thyristor ! !
Schraeder Bellows 4569-2000 Modular Lubricator 250psig AS IS ! !
GE Fanuc IC660TSS100K Terminal Assembly 115VAC 2A ! !
SoftNoze BSA-A-12-100-12?-H Right Angle Banking Screw Adapter 12mm x 100mm ! NEW!
Torrington Fafnir KP23BSF464 Single Row Bearing ! !
Consolidated XW-2-3/8 Thrust Bearing 3/8" ! !
Square D FAB12020C Circuit Breaker 1 Pole 120V 20A ! !
Square D FAB12020A Circuit Breaker 1 Pole 120V 20A ! !
SIEMENS 6-GT2091-1CH50 CABLE ASSEMBLY CONNECTOR !
Omron E2E-X1R5F1-M3 Proximity Switch PICO ! !
Western Digital WDAC1270-00F Hard Drive 270MB ! !
Numatics 152SS415K Solenoid Valve 120V 60HZ .09A ! !
Numatics 082SS415K Solenoid Valve 120VAC 50/60HZ 0.15A ! !
McGill SB-22207-W33-SS Ball Bearing ! !
Associates Research 38202 Receptacle 5VAC/6VDC ! !
DADCO C.180.013 Micro Nitrogen Gas Spring ! !
ALLEN-BRADLEY 700-CFB310DJ Contactor ! !
Square D 9002-AW2 Momentary Action Foot Switch 600VAC SPDT Yellow ! !
Modicon AS-B824-016 Tru Hi Output Module 16Pt 24VDC ! !
Appleton ACP3034BC Plug 3W-4P 30 Amp Housing Only ! !
Rexroth NFD03.1-480-030 Line Filter 480V 30 Amp ! !
HTM H60-LASE-D-PO-4?Q Diffuse Proximity Sensor ! !
Festo 18200 Manifold Valve 10 Bar CPV10-VI-10P-10?-8A-C2-R-Z-MMCD?CSLL+GCU ! !
Aro 24401409080 Economair Pneumatic Cylinder ! !
HAMMOND EJ664 Enclosure + KEP MCHA3 MiniCounter ! !
Allen Bradley 802T-DPN Oil Tight Limit Switch 10 Amp ! !
Parker D1VW1C4/0 Pneumatic Valve 120V 50Hz 1500PSI .49AMP ! !
Lambda LM-C5 Power Supply 105-132VAC ! !
Numatics 123BA400L049Z Pneumatic Valve ! !
Numatics 123BA400LP6253C Pneumatic Valve ! !
Danfoss 175Z6505 Power Supply Card ! !
Generic AS0H44100235 Power Supply Board ! !
QM 22213CKC3W33 Rollway Bearing ! !
Elite M01863 Roller Chain 10ft ! !
Honeywell FF-SRT051R2 Door Monitor 24VDC ! !
Delta WES-24-HS Power Supply 110/220VAC ! !
AGIE 622.914.0 Extension Board EJG9903 ! !
AGIE 613.492.8 Extension Board MJG9900A ! !
Festo DNU-63-60-PPV-A Pneumatic Cylinder 12 Bar 175 PSI ! !
Festo CPV14-M1H-5
Square D FAL36020 Circuit Breaker 20 Amp 600V ! !
INA PNA35/55 Bearing Insert ! !
Torrington HJTT-101816 Heavy Needle Bearing ! !
General Electric CR2810A14AK22 Relay Contactor ! !
Epcos BB02199 Capacitor Plate ! !
Omega Temperature Counter Controller ! !
Numatics 152SA400K000030 Solenoid Valve 110-240 VAC 150 PSI ! !
Lincoln Industrial 83898 Cycle Indicator 15 Amp ! !
Westward A163 Refractometer ! !
Bosch DA2/100-B Damper Switch 3842-525-733 ! !
GE Fanuc 68B997560 Connector Card Assembly ! !
GE Fanuc 394X671D02R17-8?F Card Assembly Board ! !
GE Fanuc 68B997560G30 Power Supply Board ! !
Acromag 1822-VBF-V0-B4-?C 1800 Series Input Module ! !
Robertshaw Universal Thermocouple 914mm 36" SF2000 !NIB
Meter Master F35-1-71-0 Digital Panel Meter 120VAC ! !
Carlo Gavazzi S1961156724 Level Control Relay ! !
FAG 2207TV Self Align Ball Bearing ! !
Pfannenberg AFF-01 Air Filter ! !
Boston Gear CMBA140TR-6D C-Face Brake Assembly 115/230V 6lbs-ft ! !
Fanuc A660-2040-T025 Connector Cable ! !
SPC CC400V Universal Cobra Coil Vermiculite Sock 4ft lengths Box of 12 ! !
Danaher Controls STCS0 Simtach AC Volts/Amps Meter !
Modicon DTA-201 Secondary 5 Slot Rack ! !
Square D 9001-TY3-W269-M?3 Enclosure 3 Hole ! !
Square D 9001-TY3-W269-S?37-G3 Enclosure 3 Hole ! !
THK HSR25LR1SS Linear Bearing ! !
SMC MKA25-10R Cylinder Rotary Clamp! !
GE CR120A08002AA Relay 10 Amp 120VAC ! !
Winters 5082 Process Gauge 4 1/2" Dial 30 PSI ! !
Pilz PNOZ-X9 Safety Relay 120V ! !
Pilz PNOZ-X9P Safety Relay 24VDC ! !
Square D HU361AWK Non-Fusible Disconnect Switch 3P 30A 600VAC NEMA12 ! !
Sine CX-5E10 Connector Kit Pneumatic Crimp Tool ! !
Hammond PH750SP Control Transformer ! !
OMEGA PR-17-2-100-1/8?-9-E RTD Probe W/ Quick Disconnect
OMEGA PR-13-2-100-1/4?-9-E RTD Probe W/ Quick Disconnect
Graco 185-495 Housing 300PSI 21 Bar Fluid 100PSI 7 Bar Air ! !
SMC NAV3000-N03-5DZ Pneumatic Valve 24VDC ! !
Sylvania 5U41 Relay 120V 60Hz ! !
Modicon DEP218/AS-BDEP-?218 Isolated Input Module 16Pt 115VAC ! !
Crouzet 88-645-6 886456 Cam Timer 10A 250V 0-350 ! !
Siemens U-05T Output Module 16 PT Relay ! !
Siemens U-01DM Communication Module Host/
MacValves CIRCUIT-BAR 3-Station Air Valve Stack ! !
Jamesbury LK0500
Marsh 961-058-000 Air Relay Volume Booster 1:1ratio 1/4" NPT ! !
Ziatech ZT-8952-S167B IDE Interface PC Board ! !
Norgren R08-000-RNM0 Pneumatic Regulator ! !
Flotect Flow Switch 125/250VAC 5A V6EPB BSLFGL ! !
Thomas & Betts BQ2-1-1/2V Meter Socket 200A 600V ! !
Volgen EXU-244R3 Power Supply 6.3 Amp 24VDC ! !
Volgen EXU-244R2 Power Supply 4.2 Amp 24VDC ! !
Honeywell L414X-1027-2 Pressure Switch ! !
Square D 9012-GFW-1 Pressure Switch/Interrup?tor ! !
Turck Bi15-CP40-AN6X2 Inductive Proximity Switch 200mA 15mm 10-30VDC ! !
SUNX DP2-20F-P LED Display Digital Pressure Sensor ! !
Potter & Brumfield CB-1024B-78 Time Delay Relay ! !
Numatics 152SS400K Solenoid Valve 150 PSIG 120V ! !
Numatics 152SS600K Solenoid Valve MK15 ! !
Mac 35A-E00-DAAJ-1K?J Solenoid Valve 110/120V 120PSI ! !
Numatics L11PA4520012B00 Pneumatic Valve Manifold 145PSI ! !
Festo LFR-M3-G3/4-C10?RG Regulator 10 Bar 145 PSI ! !
Fisher/Rosemoun?t 67CFR-224 Pressure Regulator Filter Max 250psi ! !
Leviton Transient Voltage Surge Surpressor 51020-WM
Allen Bradley 1746-C3 Inter
General Electric 21689721AA-2/58?9-5645 Input Bridge Card ! !
Allen Bradley 1794-CE3 Terminal Cable Extender 3FT ! !
Ferraz Mersen TRS35R Time Delay Fuse 35amp Box of 10 ! !
Beta Tech CC-TOOL-063-F20 Cable ! !
Microswitch 8LS125 Wobble Rod Limit Switch 480 VAC ! !
Sun Hydraulics RVGA-LAN Relief Valve Cartridge ! !
Jamesbury SL-10C Ball Valve Actuator 1/2" 150PSI 10-Bar ! !
Rosemount Analytical 381 22694-02 High Temperature pH Electrode Sensor ! !
Bryant BCI 8202 Vibratory Feeder Control Power Supply ! !
Allen-Bradley 1746-A13/B 13-Slot Chassis - IN CANADA !!
Sprecher + Schuh CEP7-EEGE Overload Relay 600V ! !
Savair C-G3-L-1570-6A Pneumatic Cylinder ! !
Festo LRMA-QS-4 Pressure Regulator ! !
Carbide Tools M42 End Mill Tool 3/16 L:1.020 ! !
Allen Bradley 800R-3HZ4R Pushbutton Enclosure ! !
Allen Bradley 140M-C2E-C10 Motor Protection Circuit Breaker 6.3-10A ! !
IFM IM8501 Inductive Proximity Sensor 10-55VDC ! !
Hoffman T-893599 Type 12/13 Wall Mount Enclosure ! !
Allen Bradley 800T-9TJZ Pushbutton Enclosure Series L ! !
Dodge 392121 Reducer Seal Kit ! !
Balluff BES-516-200-S21?250S Proximity Switch ! !
Allen Bradley 1321-3R4-D Line Reactor 4 Amp ! !
Boston Gear SD-1F6-SP-024 Infrared Sensor w/ Indicator 1W 20-264V 15-30VDC !
SMC VQC4-LAL000 MY-DE Pneumatic 3-Port Valve Manifold ! !
Allen Bradley MSR123RT Safety Relay 24VDC ! !
Festo SMEO-4U-S-LED-2?4B Proximity Switch 3 Pin 12-27V ! !
Sick WT18-2P430 Photoelectric Proximity Switch 30V ! !
Bemag O100P480MS240M Transformer 240/480V ! !
Aladco 622501 Dual Check Valve 1/4 ! !
Transfab DL7123QG07 Transformer 600V 25VA ! !
Eaton 1273A-300 Photoelectric Thru-Beam Detector ! !
Theben TR610 Programmable Time Switch 250H 120V 60Hz ! !
Rexroth Directional Solenoid Valve 4WE6J61/EG24N9K?4
Allen Bradley CE254C Coil 230-240V 60Hz for Starter or Contactor ! !
Allen Bradley 800T-16HG2KBAX Pushbutton Selector Switch Illumin. 2Position !NEW!
Robotron 454-0-0028-0 Firing Module ! !
Jakob Safety RT6-24VDC Safety Relay 24VDC ! !
SMC NCDA1B250-0600 Tie-Rod Pneumatic Cylinder 2-1/2" Bore 6" Stroke ! !
RJG T-30000 Transducer Quick Connect ! !
SMC MHL2-10D Pneumatic Gripper ! !
Honeywell Microswitch Photoelectric MHP-F33 ! !
WESTINGHOUSE FB3050S 50A 600V 3 Pole Circuit Breaker !
Kraus & Naimer C26 Heavy Pilot Duty Rotary Cam 600VAC ! !
Telcon MDA6 Isolating Amplifier 200mV ! !
Allen Bradley 140M-C2E-B16 Standard Motor Circuit Breaker 1-1.6A ! !
Allen Bradley 140-MN-0250 Manual Motor Starter ! !
Pilz PNOZ-X2-24V Safety Relay 24VAC/DC ! !
Pilz PNOZ-X2.1-2S Safety Relay 24VAC/DC ! !
ATI Master Discrete Module 19 Pin Block 9121-VB2-M ! WO
Turck B1M-NST-AN6X-H1?141/S34 Proximity Sensor ! !
Baumer Electric Sensor FUF050A2005 ! !
Brady Portable Thermal Labels PTL-43-439YL ! NIB !
Parker/Compumot?or 71-018303-35-B Motor Cable ! !
Arjay 9064D Level Alarm Series 9060 115V ! !
Phoenix Contact CM62-PS-120AC/1?0DC/1 Power Supply !
Omron S82K-906 Power Supply 2.5 Amp 240V ! !
Potter Brumfield PM-17AY-24 Relay 24VDC ! !
Festo Proximity Switch SMTO-4-PS-S-LED?-24B ! !
Rosemount 2001853 High Purity Referece Cell ! !
Cutler Hammer EHD3060 Circuit Breaker 3-Pole 60A 480VAC ! !
Henry Ball Valve w/ Chained Cap 1-1/8" O.D. 900409 !NIB
Numatics 152SS400K000030 Solenoid Valve 12AMP 50-60 hz 110-120V ! !
Proface EXM-DMM8DRT EX Sink/Source Module 4PT 24VDC ! !
Superior Electric 116BU Variable Transformer 1 HP 50/60Hz ! !
Balluff BES516-3006-E4-?C-PU-05 Photoelectric Sensor ! !
Balluff BES516-366-BO-C?-PU-05 Photoelectric Sensor ! !
Balluff BN3-1804-Y-J-02 Photoelectric Sensor ! !
ATI Valve Adapter Single Solenoid NPT 9121-JC2-M !
Seeka FR510 Fiber Optic Photo Sensor ! !
Cutler Hammer 97-1365-7 Module Devicenet 500kbaud for Advantage Starter ! !
SunX FX-A3R Fiber Optic Photo Sensor ! !
Mac 611B-11-611BA Regulated Pressure Valve ! !
Hammond 3 Phase Dry Type Line Reactor RI0003M22 600V 3A
Littelfuse V881BA60 Varistor 1.15KVDC 880VAC 8/20 70kA ! !
Fincor 105893101-C PC Board ! !
Generic 105623001 PC Board ! !
TCS D240 Line Isolator Converter 120V ! !
Square D 9001-KM1 Light Module 110-120V 30mm ! !
General Electric CR2820B125AA2 Pneumatic Time Delay Relay ! !
Square D 7001 KEO-02 DC Relay ! !
Crouzet 84-873-010 FW Phase Monitor 230V ! !
