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6ES5701-2LA12
所谓软PLC，实际就是在PC机的平台上，在Windows操纵环境下，用软件来实现PLC的功能，也就是说，软PLC是一种基于PC机开发结构的控制系统，它具有硬PLC的功能、可靠性、速度、故障查找等方面的特点，利用软件技术可以将标准的产业PC转换全功能的PLC过程控制器。软PLC综合了计算机和PLC的开关量控制、模拟量控制、数学运算、数值处理、网络通讯等功能，通过一个多任务控制内核，提供强大的指令集、快速而正确的扫描周期，可靠的操纵和可连接各种I/O系统及网络的开放式结构。软PLC具有硬PLC的功能，同时又提供了PC机环境的各种优点。GEFanuc公司推出了一种外形类似笔记本电脑的PC以Windows为操纵系统，可实现PLC的CPU模块的功能，通过以太网和I/O模块、通讯模块用于工厂的现场控制。在美国底特律汽车城，大多数汽车装配自动生产线、热处理工艺生产线等都已由传统PLC控制改为软件PLC控制，可以说，高性能价格比的软PLC将成为今后高档PLC的发展方向。5、PLC编程语言趋于标准化
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IEC61131是可编程控制器的国际标准，共有8个部分，从1992年开始陆续颁布实行。IEC61131-3是PLC编程语言的标准，于1993年颁布实施。
IEC61131-8于2001年颁布实施，与IEC61131-3被称为PLC语言的实现导则。
IEC61131-3PLC编程语言国际标准是将现代软件概念和现代软件工程的机制与传统的PLC编程语言成功的结合，使它在产业控制领域的影响远远超出PLC的界限，已成为DCS、PC控制、运动控制以及SCADA的编程系统事实上的标准。IEC61131-3规定了二大类编程语言：文本化编程语言和图形化编程语言。前者包括指令语句表语言（IL）和结构化文本化语言（ST），后者包括梯形图语言（LD）和功能块图语言（FBD）。而顺序功能图（SFC）可以在梯形图语言中使用，也可以在指令语句表语言中使用。
IEC61131-3答应在同一个PLC中使用多种编程语言，也答应程序开发职员对一个特定的任务选择最合适的编程语言，还答应在同一个控制程序中其不同的软件模块用不同的编程语言编制，这一规定既解决了PLC发展历史形成编程语言多样化的现状，又为PLC的软件技术进一步发展提供了足够的空间。
欧美PLC厂商的PLC大都支持IEC61131-3标准，特别是西门子公司的PLC。我国在1995年就采用IEC61131-3作为PLC的国家标准。日本固然产业发达，技术还是相对封闭，但IEC61131-3标准成为PLC的公认世界主流标准后，日本的PLC生产商开始在新一代PLC软件平台中广泛采用。三菱电机的PLC编程软件包GXVer.8开发系统就支持梯形图语言（LD）、指令语句表语言（IL）、顺序功能图编程语言（SFC）、结构化文本语言（ST）。三菱电机的PX开发系统支持功能块图FBD，供PLC用于过程控制。欧姆龙公司的编程软件包GX除了支持LD、IL外，近期即将推出支持功能块FBD和结构化文本语言ST的编程软件包。富士电机的及横河电机的PLC编程软件包也都支持IEC61131-3。
ORIENTAL MOTOR 200/220V 1300/160 RPM 3-PHASE INDUCTION MOTOR 4IK25GN-ST2 *NEW*
ARCNET PCI ADAPTER CARD PCI20U-CXB NIB
VOGEL FLOW MonITOR GS300
FACTS ENGINEERING 4 CHANNEL ANALOG INPUT MODULE F2-04AD-2
TELEMECANIQUE SOLID STATE RELAY base ABE7-S08S2B1
INTERMEC TECHNOLOGIES CORP 1470 BAR CODE SCANNER
AEG SH8.80E 910-302-788-00 CONTACTOR, NIB
GENERAL ELECTRIC 080TER MUSHROOM PUSH BUTTON, LOT OF 5, NIB
FURNESS ConTROLS MODEL 332 DIFFERENTIAL PRESSURE TRANSMITTER FCO332-2W
SYMBOL LS3070-I100US BAR CODE SCANNER WITH CHARGER base
GENERAL ELECTRIC PC BOARD 193844 EIA-151-8-1 *NEW*
WEIDMULLER ConNECT POWER 24V 6.5A DC POWER SUPPLY 16170PWS
MAGNETIC POWER SYSTEMS TC-R REGULATED POWER SUPPLY
ALLEN BRADLEY 800T-J63104A 3 POS CYLINDER LOCK SELECTOR SWITCH SPRING RETURN NIB
GROUSE-HINDS 24VDC SWITCH AMPLIFIER SA 2 3025 M0109 *NEW*
COMPUTERWISE INC. MODEM TLD3
ALLEN BRADLEY 1.5KW/2HP PRESET SPEED ConTROLLER 160-BA04NPS1 SER. C FRN. 7.06
ATLAS COPCO CABLE ASSEMBLY 4145 0949 10
SCHEICHER RELAY SWITCH SNT 4053 K *NEW IN BOX*
POWEREX TRANSISTOR CM50TF-24H
BLOCK LINE FILTER HFV 210-4700/30
OMRON 120VAC 0-5 OR 0-6 SECOND MINY TIMER SYDHN
RT ENGINEERING INDICATOR DIGITAL READOUT DPM-35
ALLEN BRADLEY 1.5KW/2HP PRESET SPEED ConTROLLER 160-BA04NPS1P1 SER. C FRN. 7.06
TELEMECANIQUE integral 18 24V COIL REVERSING STARTER LD5-LB130 / LB1-LB03P05
EFECTOR IFM ConTROLLER FOR FLOW SWITCH VS 0200
YOUNG YEAR ELECTRonICS POWER SUPPLY BA230W
OMRON 100A, 100VAC HEATER FAULT DETECTOR K2CU-F80A-C
TOSHIBA FANUC 100A IGBT TRANSISTOR A50L-1-0212 *LOTS OF 3*
PERFORMANCE FEEDER PF-1R 115 VOLTS 50/60 HERTZ VIBRATORY FEEDER CONTROLLER
ALLEN BRADLEY 1.5KW/2HP PRESET SPEED ConTROLLER 160-BA04NPS1P1 SER. B FRN. 5.01
ALLEN BRADLEY RESOLVER FEEDBACK MODULE 1326AB-MOD-VC 424
ALLEN BRADLEY SINGLE PHASE MANUAL STARTER SWITCH 600-TEX5 SER. D *LISTING #2*
STATIC ConTROLS CORPORATION DIGITAL DISPLAY PANEL 800 SERIES
CAPP/USA FLAME RECTIFICATION AMPLIFIER 33254
TELEMECANIQUE 10A 300VAC SAFETY INTERLOCK SWITCH XCS-A713
SIEMENS 460-690V MAX BUSBAR ADAPTER 8US 1011-4TM00
EMERSON POSITIonING SERVO DRIVE MOTION PROGRAM ConTROLLER PCM-11 960158-01
BANNER MINI SCREEN LIGHT CURTAIN ConTROLLER GMMSDINT-1T2
CINCINNATI MILACRON GCPU ConTROL BOARD 3-533-0710G
TR ELECTRonIC 11-27VDC ROTARY ENCODER CE-65-M
SCHAFFNER 10A 250/440VAC LINE FILTER FN355-10/05
TEXAS INSTRUMENTS BASIC PROGRAMMABLE MODULE 500-5035
TPC WIRE & CABLE ConNECTION CABLE MA24800A054 REV. A *NEW*
COOPER GARDNER DENVER ConTROL CARD Sp.Gr.3 F/42V S090750
ALLEN BRADLEY Guardmaster 24VAC/DC SAFETY RELAY MSR127RP 440R-N23135 SER. C
MURR ELEKTRonIK 24V 25A DC POWER SUPPLY 85796 MDG 25-208-520/24V DC/25A
ALLEN BRADLEY LOT OF ELECTRonIC COMPonENTS *LOT OF 7 ITEMS, NEW*
OTIS ELEVATOR CO. BACKPLANE BOARD ABA26800ABV2
PEPPERL + FUCHS DIODE RETURN MODULE Z487/EX
TURCK 10-30VDC SMART PLUG SENSOR SPT1-AP6X
PILZ 24V AC/DC SAFETY RELAY PNOZ X2 2S *NEW*
WESTCODE THYRISTOR DIODE MODULE 9FP46
E. DOLD & SOHNE 110V, 0.1-1.0SEC TIMER VARIMETER AI 930
SCHNEIDER ELECTRIC 10A 24VDC ConTROL RELAY CAD32BD *NEW*
ELECTRO-MATIC TELEMECANIQUE ORANGE STACK LIGHT EMSL31WXXXX4-25
PEPPERL + FUCHS 24VDC SAFETY BARRIER KG30-R/Ex
PEPPERL + FUCHS 120VAC ISOLATED SWITCH AMPLIFIER WE77/Ex2-OT
WESTCODE THYRISTOR MODULE 10810-019 9225 *DENT*
DIGITAL FR-PCP8H-AC LAPTOP BATTERY CHARGER WITH POWER CORD, NIB
SICK RELAY ASSEMBLY 702817 *NEW*
FANUC PCB DAUGHTER BOARD A20B-2900-0500/?03B
BEI ENCODER H25G-SB-375-ABZ?C-4469-LED-ED25?-S 924-01013-480
AEG MODICON AS-S908-011 REMOTE I/O PROCESSOR
FANUC ROBOTICS CABLE ASSEMBLY 44C741560-006R0?1
K M CLARKE TRANSFORMER STB 400
TELEMECANIQUE integral 18 24V COIL REVERSING STARTER LD5-LB130 / LB1-LB03P07
LAMBDA ELECTRonICS 24V 1.1A DC POWER SUPPLY LUS-9A-24
OMRON 24VDC 2.2A DC POWER SUPPLY S8VM-305024 C
GSE INC LC4CO10011 DC BL MOTOR CONTROLLER
NAMCO ConTROLS ABSOLUTE ENCODER CA210-20030
FANUC ROBOTICS CABLE ASSEMBLY 44C741918-002R0?1
FANUC ROBOTICS CABLE ASSEMBLY 44C741560-006R0?1
FANUC ROBOTICS CABLE ASSEMBLY 44C742380-001R0?1
FANUC ROBOTICS CABLE ASSEMBLY 44C741873-001R0?1
MURR ELEKTRonIK INTERFACE MODULE 4000-68122-0210?010
CALEX 24V VOLTAGE TO FREQUENCY MODULE 8507
TEXAS INSTRUMENTS SERIES 500 ConTROLLER ADAPTER base MODEL 500-5840
BARBER COLMAN TEMPERATURE ConTROL UNIT SERIES 120
PRECISE TECHNOLOGY ELECTRonICS AIR GAGE PROBE C-1219-1 NIB
NAMCO HENGSTLER SAFETY RELAY HOZ-462-1209 *NEW IN BOX, LOT OF 2*
PILZ 24VDC SAFETY RELAY PZE 5 24VDC 2S10
HonEYWELL MICRO SWITCH EXPLOSION PROOF SNAP SWITCH 24CX200 0851
TAPESWITCH ZONE ConTROLLER ZC-1
TESCH 24VAC/DC AUTOMATIC RESET RELAY F127Ax203
ALLEN BRADLEY NON REVERSING SAFETY ConTACTOR COMPLETE DEVICE 100S-C09ZJ14C
TELEMECANIQUE 24VDC COIL 25A ConTACTOR W/ OVERHEAD RELAY LP1D0901BDREQ35?26G15
ALLIED TELESYN CentreCOM 10 base T TWISTED PAIR TRANSCEIVER AT-MX20T-05 *NEW*
TESCH 115VAC SUPERVISED RESET RELAY F127Ax212
PILZ 24VDC SAFETY RELAY PZE 5V 8s 24VDC
FUJI ELECTRIC 1200V TRANSISTOR MODULE 6DI15A-120
TESCH 115VAC AUTOMATIC RESET RELAY F127Ax202
PULSOTRonIC 20..250VAC PROXIMITY SWITCH SENSOR 9853-3862
SOLA REGULATED DC POWER SUPPLY SLT-12-61818-12
MITSUBISHI ELECTRIC 480VAC 30A 3-POLE NO-FUSE BREAKER NF-SF3030
LEUKHARDT SYSTEMS 110V TOOL MonITOR BK MIKRO 2
DISPLAIGN, BOARD AD199 V2.2
BANNER SM2A912 SERIES 2-WIRE AC SENSOR SMA91EQD *NEW*
BANNER S18 SENSORS AC-VOLTAGE SERIES AC-OPERATED SENSORS S18RW3DLQ1 *NEW*
MARATHON MonITORS INC. ConTROL BOARD 810077-03
TELEMECANIQUE 24V AC/DC OLR TRIP RESET UNIT LA7 D03B *NEW*
ALBRIGHT 24VDC COIL ConTACTOR SW80B-6
PEPPERL+ FUCHS PROXIMITY SENSOR NJ5-18GM450-E2-?V1 / 84484 *NEW*
OPTO 22 12-SLOT SNAP I/O BACKPLANE BOARD SNAPD12M
BANNER LONG RANGE DIFFUSE MODE SENSOR S18RW3DLQ *NEW*
TOYODA INPUT 2 MODULE TP-1689-2
TOYODA INPUT 1 MODULE TP-1689-2
TOYODA OUTPUT (1) MODULE TP-1229-0
TOYODA RELAY OUTPUT (2) MODULE TP-1231-0
TOYODA 5V I/O MODULE TP-1601-1
FANUC ROBOTICS CNPG OP PNL CABLE ASSEMBLY EE-4657-607-001
POWEREX TRANSISTOR KD421K15 / N35AC1
TELEMECANIQUE THERMAL OVERLOAD RELAY LR D4365
FUJI ELECTRIC 1200V 75A POWER TRANSISTOR MODULE 2DI75M-120
INTERNATIonAL RECTIFIER SCR MODULE 88-6316
FUJI ELECTRIC 3-POLE 20A EARTH LEAKAGE CIRCUIT BREAKER SGH63
RELIANCE ELECTRIC CRCG CARD 0-51851-6
POWER MEASUREMENT DISPLAY MODULE 3300 ACM
ALLEN BRADLEY 24V TIME DELAY RELAY 700-HT12BU24 W/ WIRING base 700-HN100
TELEMECANIQUE 24V DC ConTROL RELAY CA3 DN22BD *NEW IN BOX*
YASKAWA ROBOTICS CABLE ASSEMBLY 132350-2 / MAV-0539
TELEMECANIQUE 24VDC 0.5A 16-POINT OUTPUT MODULE TSX DST 1682
YASKAWA ROBOTICS CABLE ASSEMBLY 132350-11 / MAV-0535
DATALOGIC COMPACT I/O AUTO ID MODULE CM900
TELEMECANIQUE 25-40A MANUAL MOTOR STARTER & PROTECTOR GV3-M40
SMC NETWORKS ETHERNET CARD 61-600525-000
SMC NETWORKS ETHERNET CARD 61-600455-000
STAHL INTRINSPAK 250V +12V SAFETY BARRIER 8901/33-168/000?/00 *NEW, LOT OF 3*
ALLEN-BRADLEY 110-120VAC 0.1-2 SECOND SOLID STATE TIMER 700-PSA1 SER. A
OMRON 24V 1.1A DC POWER SUPPLY S82J-02524D
SHARP POWER SUPPLY MODULE JW-21PU
AEG MODICON RELAY OUTPUT MODULE DAP 208
TURCK PROXIMITY SWITCH BI 2-CRS260-ADZ30X?2-B3131/S34 *NEW*
ALLEN BRADLEY 12-38A OVERLOAD RELAY 193-A1H2 SER. A
BALLUFF SENSOR BES IKU 015.23 GS4 SA1
RATHGEBER 100VA STEP-DOWN INDUSTRIAL ConTROL TRANSFORMER ET 100 CNA
STAHL 24VDC RESISTANCE ISOLATING REPEATER 9326/10-20-11
CORCOM 30A 250VAC EMI FILTER 30AYP6C F7471
CASI-RUSCO MODEL 351 RDR DISPLAY 430118001
SQUARE D 0.2KVA INDUSTRIAL ConTROL TRANSFORMER 9070T200D1
LAMBDA ELECTRonICS 5VDC 5.0A DC POWER SUPPLY LSS-36-5
SIEMENS SIRIUS 24VDC COIL 35A STARTER COMBINATION 3RA1120-1JC26-0?BB4
DYNAMATIC ConTROL CARD 15-162-67
WILHELM AMPLIFIER MODULE MPS10.3.05
PURE HUMIDIFIER COMPANY 4-STAGE TIMED CYCLE MODULATOR 4S-TCM
POTTER & BRUMFIELD 24VDC COIL, 120VAC, 10A RELAY ECT1DC42 *LOT OF 5*
CEA INSTRUMENTS MULTI-CHANNEL GAS DETECTOR MODULE REV. C
EATON PROXIMITY SWITCH E57LAL18T110S5
ALLEN BRADLEY 70mm DeviceNet STACK LIGHT base 855T-NX7 SER. B
TELEMECANIQUE PROXIMITY SENSOR XS1N08PB349
EMERSON CIRCUIT BOARD A 1800 4025 GO
EMERSON CIRCUIT BOARD A 2200-4015A EO
ABB ConTROL 600VAC 10A 1NO & 1NC AUXILIARY ConTACT EHAX-11A *NEW*
YASKAWA ELECTRIC INTERFACE BOARD JANCD-MFC06 REV. A02
TEXAS INSTRUMENTS 4-CHANNEL PARALLEL OUTPUT MODULE 7MT400
DEEMSTOP 600V 0.025A STROBE UNIT H.V. TERMINALS
LAMBDA ELECTRonICS 0-18V 1.6A REGULATED DC POWER SUPPLY LMS-3018
JOHNSON ConTROLS TEMPERATURE DISPLAY MODULE D350AA-1C
DATAFORTH WIDE BANDWITH ISOLATED VOLTAGE INPUT MODULE SCM5B41-03
CSAI-RUSCO AMP PCB ASSEMBLY 110044001 *NEW*
LAMBDA 12V 4.3A SWITCHING DC POWER SUPPLY SWS50-12
ATI 50VDC 3A 19-PIN QUICK DISConNECT ConNECTOR 9120-K19-M *NEW*
MITSUBISHI ELECTRIC 24VDC COIL 60A MAGNETIC ConTACTOR SD-N35
HEVI-DUTY 220/230/240/440?/460/480V TO 110/115/120V .275KVA TRANSFORMER E275
OKUMA CR CARD2 RELAY BOARD PCB E3900-596-002 *NO RELAYS*
GTCO SUPER LX SERIES 2000 DIGITIZER ConTROLLER 11-00488-05 *BROKEN CONNECTOR*
ALLEN BRADLEY ROCKWELL AUTOMATION AUXILIARY ConTACT 40768-453-23 *NEW IN BOX*
FUJI ELECTRIC 250VAC 5A 2-POLE CIRCUIT PROTECTOR W/ SOCKET CP32EF/5 W/ CP-S2
BASLER ELECTRIC CAPACITOR / RESISTOR UNIT 9199800100
PHIHONG 24V 2.5A DC POWER SUPPLY PSA-60-124
INGERSOLL-RAND UPS PCB ASSEMBLY PFS12-UPS REV. C
INGERSOLL-RAND UPS PCB ASSEMBLY PFS12-UPS REV. B
MITSUBISHI ELECTRIC RELAY BOARD RC34B
SKYNET +5/+12V/-12V DC POWER SUPPLY SNP-9551
SQUARE D 24VDC DeviceNet I/O MODULE 52046-344-53
PC BOARD 08C-0104-965, NIB
ASTEC BOARD LPS53 NNB
IMPERVITRAN .075KVA STEP DOWN TRANSFORMER B075BTZ13JK
TDK -12V/0.3A, 12V/2A, 5V/3A DC POWER SUPPLY EMR-200
TOSHIBA IGBT MODULE MG15G1AL2 *LOT OF 5*
VEE-ARC base DRIVER BOARD 930-131
ISCO PREPROGRAMMED PRIMARY DEVICE CHARACTERIZATIO?N MODULE MODEL 2300/2870
YUSHIN RELAY BOARD PCB YV-970031-RY
SQUARE D EQ5300 MEMPACK 52045-034-50 SER. 1 *LOT OF 2*
FUJI ELECTRIC VFD DIGITAL MonITOR TPJ-EX
FUJI ELECTRIC 20A 660VAC AUTO BREAKER SA53H
FUJI ELECTRIC EARTH LEAKAGE PROTECTIVE RELAY BRR 22N-04S
ALLEN BRADLEY 24V COIL RELAY W/ 4NO ConTACTS 700DC-F400* *LOT OF 5*
ALLEN BRADLEY PROGRAMMING TERMINAL 1201-HAP SER. B FRN 1.07
FUJI ELECTRIC EARTH LEAKAGE PROTECTIVE RELAY BRR 25N-04S
AW COMPANY LIGHT TO FREQUENCY ConVERTER OPTV-20 W/ base
DENGENSHA POWER SUPPLY BOARD PS-0394-1