6ES5318-3UA11
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。
PLC的国产化
国内开始研制PLC产品是上世纪70年代中期,当时上海、北京、西安、广州和长春等地的不少科研单位、大专院校和工厂,总计20多家单位都在研制和生产PLC(尽大多数都是小型PLC)。特别值得一提的是国家科委和原机械产业部在仪器仪表重点课题攻关专项中组织了“六五”、“七五”、“八五”的可编程序控制器子项攻关,由部属北京机械产业自动化研究所负责,先后研制开发了MPC-10、MPC-20、MPC-85型PLC。这几种型号的PLCI/O点数为256~512,并可扩展到1024点,开创了国内研制大型PLC的先河,先后在注塑机、恒温室、锅炉控制、汽车压力机生产线上获得了应用。这些项目有自动开发的操纵系统、产业控制编程语言并具有与上位机、HMI连网和通讯等功能。当时国内研制开发的PLC产品由于缺乏资金、后续研制气力不足及生产技术相对落后等原因,没有形成批量产业化生产,因而被国外产品淘汰而纷纷消失。可喜的是在90年代,由于PLC应用不断深进,国内又掀起研制PLC的高潮,固然还是小型PLC,批量亦不大,但其功能、质量和可靠性比70年代的产品有明显的进步。其代表产品如:南京冠德科技有限公司(原江苏嘉华实业有限公司PLC工厂)的JH200系列PLC,I/O为12~120点,具有高速计数器和模拟量功能;杭州新箭电子有限公司的D系列PLC,D20P的I/O点数为20点,D100的I/O点可从40~120点;兰州全志电子有限公司的RD系列小型PLC很有特点,RD100型PLC的I/O点9/4点,2点模拟量输进,而RD200型PLC的I/O为20~40点,扩展的功能有编码盘测速、热电偶测温顺模拟量I/O,RD200型PLC最多可32台连网,并能与上位PC机进行实时通讯。
ALLEN BRADLEY 3A 2-POLE MANUAL MOTOR ConTROLLER 1492-CB2 H030 *NEW*
FUJI ELECTRIC 10A SINGLE-POLE CIRCUIT BREAKER CP31FS/10WD
ALLEN BRADLEY 0.5A CIRCUIT BREAKER 1492-CB3G005 SER. B W/ 1492-ACBH1 SER. B
ABB 400VAC CIRCUIT BREAKER S 283 K 16A
SQUARE D TYPE QOU 10 AMP CIRCUIT BREAKER *LOT OF 10*
SQUARE D 240VAC, 225A, 3-POLE CIRCUIT BREAKER M19P12
WESTINGHOUSE 20 AMP CIRCUIT BREAKER FB3020L
ALLEN BRADLEY 1492-CB1G030 CIRCUIT BREAKER, 3 Amp, SERIES B, NIB
ALLEN BRADLEY 1492-CB1G300 CIRCUIT BREAKER, 30 Amp, SERIES B, NIB
ALLEN BRADLEY 1492-CB2G150 15A CIRCUIT BREAKER,NIB
MERLIN GERIN Multi9 C60 TYPE D 3-POLE 30A CIRCUIT BREAKER C60N 60198
ALLEN BRADLEY SINGLE-POLE 1.5A CIRCUIT BREAKER 1492-GH015 *NEW, LOT OF 3*
MITSUBISHI ELECTRIC 3-POLE 30A CIRCUIT BREAKER NV50-CP
MERLIN GERIN MULTI9 TYPE D 20A 480VAC 3-POLE CIRCUIT BREAKER C60N / 24541
NIBCO 250PSI 2-1/2" DIA. BUTTERFLY VALVE, MISSING TOP LEVER WD3122
MERLIN GERIN Multi9 C60 3-POLE 15A CIRCUIT BREAKER D15A 60195
SIEMENS 4A 3-POLE CIRCUIT BREAKER 5SY43 MCB C4
ALLEN BRADLEY 3-POLE 30A CIRCUIT BREAKER 1492-CB3 G300 SER. B
AEG LS37.22 CIRCUIT BREAKER
WESTINGHOUSE 3-POLE 30A 600VAC CIRCUIT BREAKER FB3030L *LOT OF 2*
GENERAL ELECTRIC V-LINE C6 CIRCUIT BREAKER, NIB
FUJI BU-ECA3010 10 Amp CIRCUIT BREAKER, NIB
FUJI BU-ECA2005 2 POLE 5 Amp CIRCUIT BREAKER, NIB
ALLEN BRADLEY 1494V-M40 SERIES A CIRCUIT BREAKER OPERATING MECHANISM, NEW
TELEMECANIQUE 3A CIRCUIT BREAKER GB2-CB08 *LOT OF 3*
ALLEN BRADLEY 4A SINGLE POLE CIRCUIT BREAKER 1489-A1D040 SER. A *NEW, BOX OF 2*
SQUARE D ECB14020G320 Powerlink MOLDED CASE CIRCUIT BREAKER
TELEMECANIQUE 2.5-4A 3-POLE MOTOR CIRCUIT BREAKER GV2-RT08
MITSUBISHI ELECTRIC CIRCUIT BREAKER CP30-BA 2A, 5A, 10A, & 20A *LOT OF 5*
GENERAL ELECTRIC V-LINE C20 1 POLE CIRCUT BREAKER LOT OF 4 USED
GE GENERAL ELECTRIC 480VAC 15A 3-POLE CIRCUIT BREAKER TEF134015 *LOT OF 2*
ALLEN BRADLEY 5A SINGLE POLE CIRCUIT BREAKER 1492-CB1 H050 *LOT OF 5*
MERLIN GERIN MULTI 9 277VAC 15A TYPE C CIRCUIT BREAKER C60N / 17416 *LOT OF 5*
SQUARE D FAL26020 20A CIRCUIT BREAKER
ALLEN BRADLEY 4A SINGLE POLE CIRCUIT BREAKER 1492-CB1G040 SERIES B *NEW*
ALLEN BRADLEY 30A 3-POLE CIRCUIT BREAKER 1492-CB3 G300 SER. B W/ 1492-ACB SER. B
ALLEN BRADLEY 7A 3-POLE CIRCUIT BREAKER 1492-CB3 H070 *NEW*
MOELLER Xpole 3-POLE 25A CIRCUIT BREAKER FAZ-B25/3 W/ FAZ-XHI11
ALLEN BRADLEY 8A SINGLE POLE CIRCUIT BREAKER 1492-CB1 G080 *NEW*
CUTLER-HAMMER 3-POLE 15A INDUSTRIAL CIRCUIT BREAKER HFD3015L
GE GENERAL ELECTRIC 240VAC 60A 3-POLE CIRCUIT BREAKER TEB132060
ALLEN BRADLEY 1.0A 250VAC 65VDC CIRCUIT BREAKER 1492-GHA010 SER. A *NEW*
MITSUBISHI ELECTRIC 480VAC 15A 3-POLE NO-FUSE BREAKER NF-SF2015
WESTINGHOUSE 600VAC 60A 3-POLE CIRCUIT BREAKER FB3060S
MERLIN GERIN multi9 240VAC RCCB 2-POLE 25 30mA CIRCUIT BREAKER RMG250302 *NEW*
FUJI ELECTRIC 2-POLE 15A CIRCUIT PROTECTOR CP32FM/15 *NEW*
WESTINGHOUSE 480VAC 15A 3-POLE CIRCUIT BREAKER EHB3015L
FUJI ELECTRIC 20A 24VDC CIRCUIT PROTECTOR CP33E6/20D W/ SOCKETS CP-S2 & CP-S1B
INGERSOLL RAND ConTROL MODULE 99388019 R08
AQUATRAC SMART AS AUTOMATED SERVICE WATER MANAGEMENT COMMAND AND CONTROL
FANUC ROBOTICS MAIN CPU BOARD A16B-2200-0841/?05D *PAINT*
LABOD ELECTRonIC THYRISTOR ConTROL GN1DZ220/160-24?-4Q KRF
STI LIGHT CURTAIN C ConTROLLER LCCK-FB-DC1-U
STI OPTOSAFE-B LIGHT CURTAIN ConTROL P4124B-2 / P4100B-2
RIKO VARITAP THYRISTOR POWER REGULATOR VSCP-15-NK
ALLEN BRADLEY DH/DH+ INTERFACE MODULES 5130-KA SERIES A REV A09 *LOT OF 5*
BALLUFF ENCODER BRGB2-WCB08
STANLEY FASTENER SYSTEMS TORQUE ConTROLLER T701
+GF+ SIGNET PIPING SYSTEM SOLUTIONS FLOW SENSOR P51530-P0 *NIB*
COOPER GARDNER DENVER SERVO ConTROLLER MODULE BLS 1-2 960011
FANUC ROBOTICS 6 AXIS BRAKE RELEASE UNIT
AEG MODICON TSX QUANTUM DIO DROP 140 CRA 211 20 043 502 787
ATLAS COPCO MACS MASTER ConTROLLER /J 4240 5008 01
FANUC ROBOTICS DEVICENET INTERFACE BOARD PCB A16B-2203-0190/?03A *PARTS/REPAIR*
CHARMILLES TECHNOLOGIES ConTROL BOARD 852 447 H
HNU PID ANALYZER W/O PROBE, DL-101
ALLEN BRADLEY COMPACT 8 PT 120VAC ISOLATED INPUT MODULE 1769-IA81 *NEW, SEALED*
RYTEC DIGITAL GATEWAY DOOR LOGIC ConTROLLER DG1200
BANNER PRESENCE PLUS ConTROLLER MODEL PRC1 *NIB*
ALLEN BRADLEY BAR CODE DECODER 2755-DS4A
ASSEMBLY BOARD 183120
KOBERLEIN VIBRATION ConTROL POWER BOX RMA-POWER-BOX 107/230
AEG MODICON OUTPUT MODULE DAU 208 / AS-BDAU/208
MEDAR 6454-3 FIRING BOARD, REPAIRED
FELLER / KRUPP PC BOARD AF020 / FP16
ALLEN BRADLEY ETHERNET TCP/IP COMMUNICATIONS INTERFACE 1756-ENET/A F/W REV. 1.18
SIEMENS SIMATIC S7 DP/DP COUPLER MODULE 6ES7 158-0AD01-0xA0
ALLEN BRADLEY 8-PORT ETHERNET DIAGNOSTIC MODULE 9300-8EDM
MARATHON MonITORS INC Dualpro CONTROLLER/PROG?RAMMER FDP121-4.0
GENERAL ELECTRIC VA-4 POWER ConNECT CARD 531X121PCRAHG1
HonEYWELL 90-250VAC TEMPERATURE ConTROLLER DC330B-EE-000-2?0-000000-00-0
BOSCH REXROTH SMser MODULE 0 608 830 167 *NEW*
MITSUBISHI ELECTRIC MELSEC-Q ETHERNET I/F UNIT QJ71E71
ALLEN BRADLEY MicroLogix 1200 PROGRAMMABLE ConTROLLER 1762-L40AWA *NO COVERS*
ConTROL INSTRUMENTS CORPORATION ConTROL UNIT CCS / A1CCSH0404
ALLEN BRADLEY MicroLogix 1200 PROGRAMMABLE ConTROLLER 1762-L40AWA *NO COVERS**
SIEMENS SIMODRIVE ConTROL BOARD 6SN1118-0AA11-0?AA0
BOSCH MEASUREMENT ConVERTER UNIT 3 608 870 347
TRW NELSON ConTROL CARD PCB NTR1200W / NTR1800W LP AI-1
FANUC ROBOTICS POWER SUPPLY BOARD PCB A16B-1212-0531/?06B *NO BATTERY COVER*
FANUC ROBOTICS PSU BI POWER SUPPLY BOARD A16B-1212-0531/?01A *NO COVERS*
FANUC LTD OPERATOR INTERFACE ConNECTION BOARD PCB A16B-2200-0660/?05A
FANUC ROBOTICS OPERATOR INTERFACE ConNECTION BOARD PCB A16B-2200-0660/?07B
FANUC OPERATOR INTERFACE ConNECTION UNIT CIRCUIT BOARD PCB A02B-0094-C108
ALLEN BRADLEY ANALOG PLC BLOCK MODULE 1791-N4C2 SER. A
MARATHON MonITORS INC 10pro PANEL-MOUNT ConTROLLER F810135
AMCI ADVANCED MICRO ConTROLS ENCODER MODULE 1741-05
ABB ROBOTICS POWER SUPPLY MODULE SR 927530 / DSQC 258 / 3HAA3563-AUA/1
AEG MODICON PROGRAMMABLE ConTROLLER PC-0984-385 PROM ID AS-C950-110
SCHNEIDER AUTOMATION SA TSX PREMIUM 8-SLOT EXT. RACK TSXRKY8EX *NEW*
MITSUBISHI ELECTRIC NUMERICAL ConTROL SYSTEM RACK FCA M3
STANLEY SERVO ConTROLLER UNIT X5625 SMA8215-SAT-1C
CINETIC AUTOMATION MU45C MASTER ConTROL UNIT, NIB
ALLEN BRADLEY 10-31.2VDC EFUSED OUTPUT MODULE 1756-0B16E SER. A F/W REV 2.4 *NEW
FORNEY ENGINEERING ConTROL CIRCUIT BOARD 315442-01
AEG MODICON PROGRAMMABLE ConTROLLER PC-0984-385
ALLEN BRADLEY COMMUNICATIONS INTERFACE 1756-ENET/A F/W REV 1.18 *MISSING DOOR*
ALLEN BRADLEY Flex I/O ANALOG INPUT MODULE 1794-IE8 SER B W/ base 1794-TB3 SER A
EX-CELL-O MICROMATIC CIRCUIT BOARD P8387-5301-43
MICROMATIC, CIRCUIT BOARD, P8387-5001-43
HonEYWELL MICROCOMPUTER BURNER ConTROL SYSTEM BC7000L
STATUS TECHNOLOGIES ELECTRIC MOTOR ConDITION MonITOR A0301SP-Q2 *NEW*
ALLEN BRADLEY DISConNECT SWITCH KIT 194R-NN030P3 4ER1 NIB
MITSUBISHI ELECTRIC ConTROL BOARD 10274-PR01A
STI MINSAFE / FLEXSAFE CURTAIN ConTROLLER MS4320B2-AC1-15?X-5R-U / MS43-B2-AC1
NELSA EUROZONE SAFETY ConTROL UNIT NEZ 4000/SM2
SCS STATIC ConTROL SYSTEMS BRAKING UNIT UFB15
ABB HART 2600T SERIES PRESSURE TRANSMITTER 264DRFSRRSA1
ROSEMOUNT 1151 SMART ALPHALINE PRESSURE TRANSMITTER 1151GP7S52B3DF
ALLEN BRADLEY 10-60VDC DC OUTPUT MODULE 1771-OBD SER. C *SEALED*
SULZER NIPCO BALANCE MATRIX BOARD BMx 200
ALLEN BRADLEY 10-31.2VDC EFUSED OUTPUT MODULE 1756-0B16E SER. A F/W REV 2.4
MODICON 110-200 MOUNTING PLATE, NIB
SCHMERSAL SCR XR-AC CURRENT TRANSFORMER BOARD, NIB
ENDRESS+HAUSER LIQUIPANT FTL260-3122 NIB
ROBO CYLINDER ACTUATOR DRIVE RCS-C-SM-A-100-?CC-2
ConAIR ANALOG PC BOARD ASSEMBLY 107-211-01
ALLEN BRADLEY 24VDC MICROLOGIX 1000 PROGRAMMABLE CONTROLLER, 1761-L32BWA SER. E
ALLEN BRADLEY SLC 500 COMBINATION I/O MODULE 1746-IO12 SER. B REV. A *NEW*
UNICO 314-847 CENTRAL PROCESSING UNIT
ALLEN BRADLEY PLC-5/40 PROCESSOR MODULE 1785-L40B/E NO KEY
ALLEN BRADLEY Flex I/O ANALOG INPUT MODULE 1794-IE8 SER A W/ base 1794-TB3 SER A
CARL SCHENCK ConTROL BOARD, A680128.02 B6 BVKV003 *NEW*
SCHNEIDER MODICON TSX PREMIUM 12 SLOT RACK W/ 6 MODULES *AUCTION # 129*
YASKAWA MOTOMAN ROBOTICS PCB CIRCUIT BOARD JANCD-1003E REV. C DF8203498-CO
ALLEN BRADLEY 4-PORT ETHERNET DIAGNOSTIC MODULE 9300-4EDM
RECORA 120VAC 60HZ FAIL-SAFE CONTROLLER, FSC-5 *NEW*
ROTO ELECTRonICS ConTROL BOARD 611-08111 / 7208.029
ALLEN BRADLEY 25HP 1336 DRIVE 460V POWER SUPPLY BOARD 151167 151118 *NEW*
ORIENTAL MOTOR LINEAR MOTION ConTROLLER EZMC24 I-A
SPECTER INSTRUMENTS LINX 3000 ConTROLLER 3100-1
ALLEN BRADLEY I/O RING ADAPTER MODULE 8500-XIOC
TRW NELSON ConTROL BOARD NTR1200W / NTR1800W LP-NT 66-02-08
WHEDCO SERVO MOTOR ConTROLLER CMC-0001-1-B 78004078
FANUC A20B-2902-0371/?02A DAUGHTER BOARD MEMORY MODULE, NEW
KRUPP KAUTEX XDIOP32/32-0.5/?3P ConTROL CARD W/ BERGHOF TERMINAL, NNB
STANLEY A40LRATPM-10 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER 3/8 INCH
STANLEY CROWFOOT TUBENUT PNEUMATIC CLUTCH SHUTOFF NUTRUNNER
STANLEY S40-350 CROWFOOT TUBENUT PNEUMATIC CLUTCH SHUTOFF NUTRUNNER
STANLEY A30LBTA-10 STRAIGHT PNEUMATIC CLUTCH SHUTOFF NUTRUNNER 3/8 INCH
STANLEY A32LA1CT-5 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER, 3/8 INCH
STANLEY A40LATAX-10A2 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER, 3/8 INCH
STANLEY A40LRA2TPM-4 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER, 1/2 INCH
STANLEY A40MRA2XXNVG-4 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER, 1/2 INCH
STANLEY A40MRA2XXNVZ-4 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER, 1/2 INCH
STANLEY A40LA2XXNVZ-5 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER, 1/2 INCH
COGNEX 800-5637-1 NNB
SAMSON POSITIonER PLATE VALVE ConTROL , 0450-1589T2
ABB ROBOTICS SERVO AMPLIFIER BOARD DSQC 236T / YB560103-CE/26
ALLEN BRADLEY PCB BOARD 900059 / 8000-10A
ALLEN BRADLEY PCB BOARD 90072 / 8000AFA
ALLEN BRADLEY PCB BOARD 900036 / 8000VAD
ALLEN BRADLEY PCB BOARD 900061 / 8000 IOBD
ABB ROBOTICS SERVO AMPLIFIER BOARD DSQC 236T / YB560103-CE/23
FANUC ROBOTICS POWER SUPPLY BOARD A20B-1000-0472/?03A *NEW*
KEYENCE STATIC ELIMINATOR ConTROLLER & POWER SUPPLY SJ-S020
ALLEN BRADLEY 1336-QPRE-SP1C THYRISTOR PRECHARGE NIB
KEYENCE STATIC ELIMINATOR ConTROLLER & POWER SUPPLY SJ-S020A
GSE TECH-MOTIVE TORQUE ConTROLLER ConTROL BOARD 420670-22400 9546
GSE TECH-MOTIVE TORQUE ConTROLLER ConTROL BOARD 420670-22400 17564
GSE TECH-MOTIVE TORQUE ConTROLLER ConTROL BOARD PC771A 40-20-27168
GSE TECH-MOTIVE TORQUE ConTROLLER ConTROL BOARD PC771B 40-20-27168
SQUARE D ConTROL MODULE 8660 B-2 SER. B
SQUARE D PHASE LOSS MODULE 8660 B-6 SER. A
SQUARE D ConTROL MODULE 8660 B-5 SER. A
JOHNSON ConTROLS AIR HANDLING UNIT ConTROL CARD AS-AHU102-0
FENWAL AIR DUCT DETECTOR DH-60 70-600000-000 *NEW*
BALLUFF, LIMIT SWITXH PLUNGER BNS 819-D02-K16-62-?10 NIB
XYCON INTERFACE BOARD 109038-001
GSE INC. TORQUE CALIBRATOR 229-D
YASKAWA MOTOMAN ROBOTICS PCB CIRCUIT BOARD JANCD-1003D REV. C DF8203297-AO
YASKAWA MOTOMAN ROBOTICS PCB CIRCUIT BOARD JANCD-1003E REV. A DF8203498-AO
TELEMECANIQUE 100A CIRCUIT BREAKER GV7-RE100
KEMKRAFT ENGINEERING ConTROL BOARD 850-5025
INDRAMAT ConTROL BOARD ZAM 7
ATLAS COPCO ConTROL BOARD 4222 0939 80
ALLEN BRADLEY 16PT OUTPUT BLOCK 1732E-OB16M12 *NEW SEALED*
ALLEN BRADLEY 380/480VAC 3-PHASE SMART MOTOR ConTROLLER 150-A05NB SER. A *NEW*
FANUC I/O MODULE EXPANSION UNIT A03B-0807-C200, NIB
MCG MSD25C MICROSTEPPING DRIVER, NEW
SQUARE D 3HP OMEGAPAK MAIN ConTROL BOARD 52011-344-50
OMRON KAWASAKI ROBOTICS POWER SUPPLY BOARD S82W-604 / 50630-1024A