DSQC345B

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　 按结构分可将PLC分为整体式PLC、模块式PLC、叠装式PLC三类。
a.整体式PLC
它是将PLC各组成部分集装在一个机壳内，输入、输出接线端子及电源进线分别在机箱的上、下两侧，并有相应的发光二极管显示输入/输出状态。面板上留有编程器的插座、EPROM存储器插座、扩展单元的接口插座等。编程器和主机是分离的，程序编写完毕后即可拔下编程器。
具有这种结构的可编程控制器结构紧凑、体积小、价格低。小型PLC一般采用整体式结构。如图2所示的三菱FX1S系列PLC。

b.模块式PLC
输入/输出点数较多的大、中型和部分小型PLC采用模块式结构。
模块式PLC采用积木搭接的方式组成系统，便于扩展，其CPU、输入、输出、电源等都是立的模块，有的PLC的电源包含在CPU模块之中。PLC由框架和各模块组成，各模块插在相应插槽上，通过总线连接。PLC厂家备有不同槽数的框架供用户选用。用户可以选用不同档次的CPU模块、品种繁多的I/O模块和其他特殊模块，硬件配置灵活，维修时更换模块也很方便。采用这种结构形式的有SIEMENS的S5系列、S7-300、400系列，OMRON的C500、C1000H及C2000H等以及小型CQM系列。图3所示为三菱MELSEC-Q系列PLC的外形图。

NAMCO DANAHER EE260 10420 LPR

VICTOR Edge Series 2.0 ESS42 Acetylene Regulator ESS42 15 510 0781 3602

NAMCO Proximity Sensor EE530 77432 PXSW 30X76MM

YASKAWA CIMR XCBD20P1 200-230 VAC .9 Amp .13 HP

MINARIK MMRG31U 0868 Quadrant Regenerative DC Drive 24 V

CROUSE HINDS N2SC3110 MSR1 Encl Cover N2PM1111 S111 M90

KOYO Automation Direct TRD N2500 RZWD 2500

TELEMECANIQUE Voltage Measurement Relay 110-130V AC RM3 UA103FG7

AGASTAT 7012AI 120V 6-60

AGASTAT 2424SD 250VDC 2.5-50

BWI 13-0002 PLC Speed Control and Timer Timing Module 13 0002

CTI 2590 EF Isolated 16 pt. AC Output Module 901H-2590-EF

OMRON Photoelectric Transmitter Receiver Switch 12-24 VDC E3JM 10S4T US

ISSC KANSON 1042 SP10 Timer + Programmer Module 1042-SP10

INTER TEL 550 2300 826.4005-5 LSC Com Module w/ 550 2301 LSCDTR

IDEC IZUMI FC2A C10A1

ASCO Redi Air U8431255 110 120 V 20-150 PSI

HUBBELL KILLARK 2 Position Keyed Selector Switch G028 2A3F22D

VICTOR ESS4 125 540 Edge Series Oxygen Regulator 0781 5127

VICTOR ESS4 15 300 Edge Series Acetylene Regulator 0781 5133

TOPWORX 21 11128 00 Proximity Limit Switch GO Switch SO 50410824

TOPWORX 21 11328 00

SOLA EGS E1000 1KVA Transformer PRI 220-480V SEC 110-120V

TRITAN ANSI 100-1HC 1 1/4 X 3/4 10'

BURKERT SYST 5281 AFFNM86 12 VDC Solenoid Valve 3/4" 230 PSI

ABB A63 30 11 51 3 Pole 115 Amp 400 480V Contactor 1SBL37100R5111

SUSOL LS MC-95 Lug 1A1B 120V AC

THYSSENKRUPP ELEVATOR 105248

Eaton IEC Overload Relay XTOE020CCSS ZEB32 20 KK 40-20 Amps 3 2653 021A

GROUPE SCHNEIDER TELEMECANIQUE 13 Wire CON Option Card for Drive VW3A16204U

GROUPE SCHNEIDER TELEMECANIQUE Integrated Network Module VW3A58312P

GROUPE SCHNEIDER ATS01N206RT PE10006

SCHNEIDER ELECTRIC LC1D50AP7 3 Pole 230V 50 Amp Contactor LC1D50A










OMRON G9SA 321 T075 24VAC DC

HONEYWELL 621 6550RC 24VAC

KOYO Automation Direct D2 09B Direct Logic 205

SIMPLEX ALLENWEST 4711000 2.4-4.2 Amp SCI

CATERPILLAR CAT 175 3245 Switch AS PR D30M06Y03P473

SHINDENGEN ELECTRIC MFG CO 100-240V Power Supply FY05024GN

SCHNEIDER ELECTRIC 171CC576000 TSX MOMENTUM RS232 Processor Adapter I/O Bus 256K

ASCO 8302B42F 110/120V 75 PSI 3/8 Red

NTE NTE5596 SCR Thyristor 850 Amp 1200V

FERRAZ SHAWMUT MERSEN Smart Spot Fuse 600V 400 Amp TRS400RID

PUMP SAVER SYMCOM 460 15 100 SLD Seal Leak Detector POLARIS Pumps 9

HONEYWELL 30755402 501 UDC5000 Auxiliary RMS PWA Module

SCHNEIDER ELECTRIC LC1D40AP7 3 Pole 230V 40 Amp Contactor LC1D40A

JOHNSON CONTROLS V46AC 1C Commercial Service Water Valve 70-260 PSIG 3/4"

WEED EOTec 6A02 Minirack PLC Module Chassis Rack 6 Slot

FUJI ELECTRIC Micrex F I/O Module 16 Input 16 Output 32 Point FTB32R

ABB AF52 30 00 13 100-250V DC 3 Pole 52 Amp Contactor 1SBL367001R1300

HITACHI 4174329 CKD AG33 01 2 0.7 PSI 24VDC

ABB ENTRELEC 00 2761025 1.5 ME

ICM CONTROLS ICM282 Fited Speed Control Module Carrier HK42FZ004 + Others

SIMPSON Meter F351120

SPRECHER SCHUH CAT7 12 120 AC G0 120V 2.1 Amp

ELECTRO SENSORS C143717

TROLEX LTD TX1013 134 Proximity Switch 010662 01662.01 TX1013-134

SIGMA PACIFIC SCIENTIFIC 21 3424D200 B025 Stepping Motor

RED LION CONTROLS 10-100 Hz PRS11011 Speed Switch w/ 12 Pin Relay Socket 2300200

SMC EX600 DYPB Digital Out PNP 4XM12 Module EX6A13

RUSSELLSTOLL THOMAS & BETTS SKR7G 20 Amp 250V 600VAC 6W7P

OMRON CJ1W OD212 16 Point

WEED 6C12 EOTec 6000

PARKER 521833000 PG092 4 Way 3 Position 150 PSI RET Valve

THYSSENKRUPP ELEVATOR 68433 Duplex BD Duplex 3 Slot Control Board 9884336

THYSSENKRUPP ELEVATOR INTERMEDIATE 105252

THYSSENKRUPP ELEVATOR 105254

SCHNEIDER ELECTRIC RE7 TM11BU On Delay Timer Relay 24-48VDC 110-240VAC

STAFA CONTROL SYSTEM ARH20R Q910

OMRON S82J 10024A Power Supply 100-240 VAC

EDISON BULLET ECNR600 Dual Element 250V 600 AMP

AUTOMATION DIRECT RHINO PSB24 0605 3 400-500V

SIEBE OPTI-MCN 24VAC OPTIVIEW

UNITED ELECTRIC J110A 453 9866 0-20 PSI 125 250VAC 15 Amp

Euchner RDC 009296 NZ1VZ 538E

GENERAC KHTPS15/GT8 XXX Generator Engine Coolant Heator Kit 0056180 4.21 CPL

KOBALT 0573343 154 Piece

S & C SM-5 Fuse Refill Unit 131600R4 7.2 KV 400 F Amp TCC No. 153-4

Schneider Electric Telemecanique ABE7 H16R11 PLC Module

GEMS IMO Flow Sensor 26916

SUNWIZE STECA Solar Charger Controller ALPHA 8A 10AMP 32V











RONAN X36N Semi

HUBBELL KILLARK Hazardous Location Long Stem Green Push Button G0B4 G233C N34

LITTELFUSE IDSR-600 Class RK5 600 V 600 Amp

ABB SSAC Time Delay Relay Multifunction 12 VDC TRDU12D1

ISSC KANSON 1013-1-H-1-B .06-25

ESSEX 831307 011 TDAB 3 Minute 120-60 Timer

CROWN 132184 C409680 Forklift Wiring Harness PE40

NORGREN 14113500000 Super X In Line Solenoid Valve w/o 3311110

SELTEC DOTGEN HEX 16X32 VRAM

GROUPE SCHNEIDER MODICON 170ARM37030

SGS D68131

AUTOMATIC VALVE Valve Block + Coil Assembly 60 VDC 120 VAC L2004ABWW AA

ABB OY CPD 312R

MITSUBISHI MELSEC Q 1W4E03 5 Slot Extension Rack Q65B

SIXNET ETHER TRAK Real Time Ethernet Switch ET 5ES 2 ST

FISHER W38193 X0012 DO 5 Channel Communications Module W38192