整体式主机：CPU、电源、I/O集中在单机箱，结构紧凑、成本低，适配小型控制系统。
模块式主机：各部件拆分为独立模块，配置灵活易扩展，是中大型PLC的主流结构。
叠装式主机：结合前两者优势，模块靠电缆连接，兼顾灵活性与小巧体积。
基础控制类模块
CPU模块：PLC的运算核心，负责处理信号、执行程序、协调全系统工作。
电源模块：为系统提供稳定供电，部分可同时为输入信号供电，带过压、短路保护功能。
信号处理类模块
数字量模块：处理开关信号，分输入（采集按钮、限位开关信号）和输出（驱动继电器、指示灯）两类。
模拟量模块：处理温度、压力等连续信号，支持0-10V电压、4-20mA电流等标准信号格式。
扩展功能类模块
通信模块：支持以太网、Profibus、Modbus等协议，实现PLC与上位机、其他设备的数据交互。
特殊功能模块：包含高速计数模块、定位模块、温度控制模块等，可完成普通模块无法实现的专用控制需求。
继电器输出：适配交直流负载，带载能力强但响应速度慢，适合低频场景。
晶体管输出：仅支持直流负载，响应速度快寿命长，适配高频脉冲输出场景。
晶闸管输出：专用于交流负载，响应速度介于前两者之间。
Alstom Power 86-110 EL Coal Pulverizer Gear Hub Locknut11-1/2"-5 TPI
Altometer IFS3800/6 Electromagnetic Flow Tube Meter 2-1/2"Flanged
Aluminum Pedestal Base Round Pipe Conveyor Leg Stand Adj Height24"-28" Set of 4
Amada C72516B Printed Circuit Board HFE Interface ControllerPCB
Amada C72854-B2 I/O Printed Circuit Board PCB E/S Ver 5.3 InputOutput Module
Amada TANTALE-AXES Printed Circuit Board PCB Ver 5.3 Module37-Pin Connector
Amatek 90P2X120AC125FC450W Panalarm Power Supply 120V 6A
Ambaflex 24"W Spiralveyor Spiral Conveyor Belt Chain Snap OnSlats Lot of 32
Ambitech SS-4D-30X164BX185M Motor Control 30Hp 460vAC 3Ph
AMCI Advanced Micro Controls 1741 PLC Series Resolver InterfaceModule
AMCI DC25S-B1NPRGMDS 10 PIN DuraCoder
American 1500L100-4.00-B Pneumatic Linear Slide Double BearingBlock 4" Stroke
American A5230 X Radial Cylindrical Roller Bearing 10-5/8"OD3-1/2"Wide **
American AD-42302D 6012A Cylindrical Roller Bearing 30" OD25.25" ID 2.5" W
American AD-42302D 90401B Cylindrical Roller Bearing 30" OD25.25" ID 2.5" W
American AD-42302D Cylindrical Roller Bearing 30" OD 25.25" ID x2.5"W
American AD-5230-SM Roller Bearing Inner Ring 150mm ID
American Assembly Tool ARX2L-M040TA 1/2"DR Nutrunnerue
American Bosch ACB-300-441 Hydro-Pneumatic Accumulator 4000 PSI.Pressure Vessel
American Eagle AE2389 Plastic Aluminum Radiator 1-1/2" Tube30"W
American Industrial AB-1003-C6-TP Shell & Tube Heat Exchanger2-Pass 1.5"NPT
American Roller Bearing AD4639D Roller Bearing 160mm-ID x230mm-OD x 168mm-Width
Americraft DF12-1/2 Enclosed 12"Direct Drive Duct Fan 1/2HP3450RPM 230/460V 3PH
Ameridrives 219810-036FB Gear Coupling Sleeve & Hub Set F-3.5 EB3-7/16" Bore
Ameridrives F-202 Gear Coupling 4" Hub & Sleeve Assy 7" FlangeRSB Stock Bore
Amerigear 202SB Flexible Gear Coupling Hub 52-Tooth 14-1/2"Extension Size 202
Ameritherm Induction Heating Solutions 009-0009-3 PrintedCircuit Board Rev E
Ametek 115282 Gearcase Motor 115V DC
Ametek 19862038 Gemco Resolver 58:1 Ratio Gear Head Encoder
Ametek CP555CK72 Regenerative Vacuum Blower 1.5" NPT Reliance 4Hp EG G Rotron
Ametek Drexelbrook 700-0005-028 Sensing Element 1000psi @ 100F |500psi @ 250F
Ametek Drexelbrook Universal II 2-Wire Transmitter SealedEnclosure 24VDC 4-20mA
Ametek ET-1208-I Thermocouple Millivolt Alarm Module 24VDC In0-50 mVDC Out
Ametek Gemco 1986E1XRX Resolver Rotary Encoder 100mm 5/8"Shaft
Ametek HDR PF1-480-350-LG-NO-01 SCR Power Controller Unit 350A1Ph 480V
Ametek HDR Power Systems SHZF3-480-60-UB2 Power Control 480VAC3PH 60Amp
Ametek PF1-480-180-NO-CL-O1 HDR Power Systems
AMF Cuno Precision Control H4861441222 Chemical Metering FeedPump 220 GPH 115V
AMI Spring Loaded Industrial Pallet Load Leveler 3500lbs 42x46"Swivel Top
Amlok RCH-062150-075N Hydraulic Cylinder Rod Lock Clamp 5/8" RodDia
Amlok RLN-100400MX0 Pneumatic Cylinder Rod Lock 4" Bore 1"x 27"Rod
Amlok RLN-100400MX0 Pneumatic Cylinder Rod Lock 4" Bore 1"x 31"Rod
Amlok RLN-100400MX0 Pneumatic Cylinder Rod Lock 4" Bore 1"x 32"Rod
Ammeraal Beltech 17.5"W x 11'L Conveyor Belt White NylonSynthetic 132"L 588250
AMP 90067-5 Wire Terminal Hand Crimp Tool 16-24 AWG Socket PinContacts
Amplivox SW1234L Amplified Line Array Wireless Microphone &Speaker Rack Mount
AMT 285J-95 Self Priming Centrifugal Pump 1.25" NPT 78gpm 1Hp230/460V 3PH
AMT Gorman-Rupp 523C-98 Stainless Sump Pump .5HP 1725RPM115/230V 1PH 56C Motor
AMT/Leeson 1110103.00 Pump 208-230/460V 3HP 3PH
Analygas 23FB Gas Monitor Carbon Dioxide Monitor DetectorSingle-Point
Anderson Instrument LN005160000511 Level Sensor Transmitter 60"Stainless Rod
Andritz D23B123 LoCo Refiner Plates Sprout C25 Alloy AATaper
Andritz D23B124 LoCo Refiner Plates Sprout C25 Alloy AATaper
Andritz Inc Fiberscan 2000 HMI Optical Fiber Analysis SystemAssembly 120VAC
Andritz Sprout Bauer 1410 MSI Stainless Rotary Airlock FeederValve 8x10" Flange
Angelus Can Seamer 265L685 303 STD Cap Magazine
Angelus Can Seamer 6L685 Cap Magazine
Angelus Seamer 50L623 Adjusting Sleeve Miter Gear 120L/121L 60L61H
Anilam 055C Spindle Motor Fryer CNC Acu-Rite 5.5kW 9000rpm 250V3ph
Anilam 1200T HMI Operator Control Panel Screen Display AxisControl
Anilam 23000210 A Turning Center Spindle Axis Jog Emergency StopControl Panel
Anilam 3000 Touch HMI Operator Control Panel Screen DisplayComputer
Anilam 3200 MK | 23000001-D EME Keypad Screen Frame KeyboardInterface
Anilam 33001551 Display Unit For Spares and Repairs
Anilam 90100315 PCB I/O Control Printed Circuit Board
Anilam 90100331 Rev A 33000413 Rev B Motion Control CircuitBoard 33MHz
Anilam A8631049 6000 Touch HMI Control Panel Rev A PushButton
Anilam AM 1160A AC High Inertia Servo Motor Fryer 1.45kW 1.9Hp3000rpm 315v 3ph
Anilam AM 1160AB AC High Inertia Servo Motor Fryer 1.45kW 1.9Hp3000rpm 315v 3ph
Anilam Heidenhain 337-039-03 CNC Servo Drive Axis ControllerFryer
Anilam MTS30M4-59 DC Servo Motor 140V 2400 RPM w/Cable
Anilam SMA7215-1 Brushtype Servo Amplifier Drive
Anilam SMA7215-1 Brushtype Servo Amplifier Drive Rev C
Anova A&C Series Recirculating Hot Water Bath 1000 Watt 230VSous Vide
AO Smith 36C04U-422 Natural Gas Step Opening Control Valve 3/4"750mV
AOIP Automation ACF200 PWM AC Inverter CNC Drive SpeedController 220/240V 2KVA
AP-370CFV2.0B PLC CPU Circuit Board Module
Apache 20013600 Heavy Duty 2-Ply Black Rubber Conveyor BeltApprox.. 18' X 32"
APC 08-19 3" 3A Air Operated Sanitary Valve
APC 640-7734H Main Controller Board For APC SUA1500RM2U Units 4GSmart UPS
Apex Dynamics AB115-S2-P1 003:1 Two Stage Inline Planetary GearReducer Apex
Apex Dynamics AB142-S2-P2 Inline Gearbox 7:1 Planetary Gear HeadReducer
API Elmo ABB 3HAC10674-1 AC Servo Motor 18T Gear TamagawaTS2640N141E172 Encoder
API Elmo ABB Robotics PS 130/6-50-T-LSS-4421 Servo Motor
Apiste ENC-620LS FA Cooler Electrical Enclosure AC Cooling Unit200V 1Ph 260W
Apiste ENC-G1120EX Control Panel FA Cooler Heat Exchanger200VAC
Apiste ENC-G620L FA Cooler Electrical Enclosure AC Cooling Unit200V 1.8A 1Ph
Apollo 113 Butterfly Valve 12" 200 PSI 12 Bolt Lug Manual GearOperator
Apollo 12CBE1 143 Manual Gear Operated 10"Lug Butterfly Valve200psi Bronze Disc
Apollo 72-108-01 2" NPT Threaded Ball Valve A108 RTPFE3000WOG
Apollo 76-308-01 2" NPT Ball Valve Stainless Steel Reduced Port1500 WOG CF8M
Apollo 86A-108-01 2" NPT Ball Valve Stainless Steel 1500PSI
Apollo Conbraco 2" WCB Steel Ball Valve Class 300 RF 740 CWPw/Handle
Appleton APR6462 Pin and Sleeve Female Connector 60A 3W 4P 600VWeatherproof
Appleton CES-6034 Explosion-Proof Locking Receptacle Box 30/60A240/480V 3PH 4P
Appleton CESD-6034 Explosion-Proof Locking Receptacle 30/60A240/480V 3PH 3W 4P
Appleton DBR Receptacle Enclosure For Circuit Breaker HazardousLocation
Appleton DBR6034DS DBR Receptacle 60A 3W 4P Disconnect PinSleave Plug
Appleton GUB-2-1-20 Cast Aluminum Explosion Proof Electric Box10x8x4" 8" Lid
Appleton MLS-3EX Magnetic Level Switch Explosion ProofNon-Latching
Applied Energy A15573-F3 Colt Forklift Battery Charger 24VDC225-380Ah 120VAC
Applied Robotics Collision Sensor
Applied Robotics QS-200 Butech 3800 Bar Needle ValveGlue Applicator
APTech AP3550/3650SM Four AL/238 Pneumatic Diaphragm ValveAssembly Round Knob
APV Invensys DE31-4SH5-IPS Double Seat Mix Proof Valve 4"x4" DE3Stainless
APV SPX R405 Heat Exchanger Gasket RH Flow HS 2 Yellow Lot of30
APV SPX R5 Heat Exchanger Gasket LH Flow HS 2 Yellow 30336 Lotof 21
APW Mclean 43H1-3126-001 Enclosure Cooling Heat Exchanger 220V1PH 14/150°F
A Instruments M10T-C0-118-MSR2 Multiflex ControlAutomation
ARB American Roller Bearing AD5221SM Cylindrical Roller Bearing105mm AD5221
Arburg 1 818 310 011-2V1 Circuit Board Card from InjectionMolding Machine
Arburg 381B Circuit Board Slot Card Injection Molding CPUModule
Arburg 390C Analog Output Board Slot Card from Injection MoldingMachine
Arburg 414B Circuit Board Slot Card Injection MoldingMachine
Arburg 511 25-Slot PLC Card Rack Circuit Board Chassis InjectionMolder Machine
Arburg 5-4WE10 D32/CG24N9K4 Directional Control 4/2 SolenoidValve 24VDC
Arburg 5-4WE10 E34-32/CG24N9K4 Directional Control 4/3 SolenoidValve 24VDC
Arburg 5-4WE10 E67-32/CG24N9K4/T08 Directional Control 4/3Solenoid Valve 24VDC
Arburg 5-4WE10 G41A32/CG24N9K4 Directional Control 4/2 SolenoidValve 24VDC
Arburg 5-4WE10 R6-32/CG24N9K4 Directional Control 4/3 SolenoidValve 24VDC
Arburg 5-4WE10 X38-32/CG24N9K4 Directional Control 4/3 SolenoidValve 24VDC
Arburg 730 Fused Circuit Board Injection Molding Machine
Arburg H3.1.012 P1 Video SMP Board Slot Card from InjectionMolding Machine
Arburg H3.1.013 P2 CPU Processor Board Slot Card from InjectionMolding Machine
Arcair A-track Gouging Torch & Tractor 120V 1/4 Carbon RodsVintage Welding
Arcline Dwyer E3109 Stainless Weigh Scale 4" Pancake Load Cell9-Pin Connector
Arimitsu C-25200SW3E Stainless Triplex Plunger Pump 45.7L/min2842psi 18.4kw
ARIS DN200 PN16 Wafer Butterfly Valve Cast Iron 8" ARIS ActuatorW/ Mount
Arlyn Scale Co 810 Digital Scale W/Pedestal & 12x16" Base
Armour Spray Systems 2" NPT Double Diaphragm Pump AssemblyW/Filter Regulator
Armstrong 15-B6 Float & Thermostatic Steam Trap 15/175PSI1-1/2"NPT
Armstrong CBV-3FS Circuit Balancing Valve Flow Control 3"Flanged
Armstrong Machine Works TVS 813 Bucket Steam Trap Valve Station80psi
Armstrong Model 205-1 Swiveling Bench Vise 5" Vtg Heavy DutyAmerican Made
Armstrong OB-2000 P Temperature Regulator Valve with Sensor131-201°F Set Point
ARO 56A05C2COX3 S.A.S. Welder Servo Actuator Nominal Speed 3000tr/min 300V
ARO 651790-A4R-B Fluid Regulator Low Pressure 100PSI WPR Max3/8" NPT 1/4"
ARO 6661A3-344-C Pneumatic Diaphragm Air Pump 1" Non-MetallicPoly 120psi 47gpm
Aruba APEX0577 WiFi 6 Outdoor Wireless Access Point 802.11axWeatherproof
ASAHI D79PASC1FR 4" Butterfly Puneumatic Actuator AssemblyW/ECKARDT SR1986
ASAWI 4" Lug Type PVC Butterfly Valve Assembly Air ActuatedSpring Return
ASAWI D79M2PFSW115A 4" PVC Lug Type Butterfly Assembly W/SpringReturn Actuator
ASB ACMn0150-4/1-6 Permanet magnet Servo motor 575VDC4000RPM
Asea ABB QA 104 PCB Signal Adaptor Printed Circuit Board CardYL261001-EF
ASEA Brown Boveri YB161101-CG DSQU 132 Rectifier Unitw/Contactors
ASEA Brown Boveri YB161101-GK DSQU 222 Rectifier UnitW/Contactors
ASEA EFLG315-3P Magnetic Drive Contactor 360A 3-Pole 100-200HP240-500V 3PH
Asea F9M4H FD 57299 AXEM DC Servo Motor 35vdc 3000rpm .168kW /.225Hp
ASEA MC23S R0527 DC Servo Motor Axem
Asea MK110 009-E S Cage Blower Fan 1.5kw 2860rpm 480V 3PH8" Wheel
ASEA Robotics YB161 601AH Rectifier Unit Module 15 Fuse
ASGCO Weigh Conveyor System Weight Indicator Controller
Ashbrook Simon Hartley DFV13284V8 8D AC Motor 5 Hp 3Ph 1740RPM230/480
Ashcroft D420S XUD Pressure Switch 30 PSID 15A 125/250VAC
Ashcroft LTSN4G05A7030 Temperature Switch 125/250/480VAC75-205°F
ASI 10-0864-25 Restroom Sanitary Napkin Tampon Dispenser .25¢Coin Operated
ASI LT80/A/SL/FM LaserTrak Laser Meter Continuous Level PositionTransmitter
Associated Research 3705 Hypot III Dielectric Withstand HipotTester 5kVAC
AST 70 Centrifugal Pump Mechanical Seal Assembly 1-3/8" BoreStainless
AST Advanced Sealing P20I18A-01P19S Mechanical Pump SealCartridge 1-1/8" Bore
Astro Packaging 26703-08-N Hot Melt Glue 8' Hose 240V 240WBraided Cover #6 Core
Astro-Med Dash 4U Portable Test Kit Four Channel Chart RecorderCustom Case
Asus TUSL2-C PLC Motherboard Circuit Board Module
AT&T BJJ1 S1:1 CP Intelligent 48V Power Board PWP AM4
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