PLC模块是构成可编程逻辑控制器（Programmable Logic Controller, PLC）系统的核心硬件单元，用于实现工业自动化中的逻辑控制、数据采集与设备驱动等功能。它通常以“模块化”形式存在，可根据控制需求灵活配置和扩展，广泛应用于汽车制造、能源化工、机械加工等工业场景。
核心组成与功能
PLC系统由多个功能模块协同工作，主要包含以下几类：
CPU模块
作为PLC的“大脑”，负责执行用户程序、处理输入信号并生成输出控制指令。其性能直接影响系统的运算速度与响应实时性。
输入/输出（I/O）模块
是PLC与外部设备的接口桥梁：
数字量输入（DI）/输出（DO）模块：处理开关信号，如按钮、继电器状态。
模拟量输入（AI）/输出（AO）模块：处理连续信号，如温度、压力传感器数据（4-20mA或0-10V）。
特殊I/O模块：如热电偶、高速计数等专用模块。
电源模块
为整个PLC系统提供稳定的工作电源，通常将交流电转换为直流电（如24VDC），部分还为传感器供电。
通信模块
支持Modbus、PROFINET、EtherNet/IP等工业通信协议，实现PLC与上位机、HMI、伺服系统或其他PLC之间的数据交互。
功能扩展模块
如温度控制模块（如三菱）、运动控制模块等，满足特定工艺需求。
ABB TYPE: DSQC 236G ART. NO: YB560103-CD/28 AXIS DRIVE BOARD
AMETRIC AT5-500 URETHANE TIMING BELTS
GE FANUC IC660CBB902F BUS ConTROLLER 44A724866-G02 44AR00/0
INVENSYS ENVIRonMENTAL ConTROLS MSC-MPC-001 MULTIPURPOSE ConTROLLER MSCMPC001
ANDERSON COOK ROTO-FLO 290400 B/S ASSEMBLY (MACHINED)
PREMIER JUNGHEINRICH / JUOEM ConTROL CABLE FOR FORKLIFT NSFS
ENCON 1054003 EMERGENCY VERTICAL AND HORIZonTAL OVERHEAD PIPE MOUNT SHOWER
WESTINGHOUSE 2379C70A09-3 FURNACE DRAFT SETPOINT ConTROL BOARD ASSY 62-9954-000E
SIEMENS MS-760-A PC BOARD MS760A, FERT. NR. 8 9001, 6FX1-116-8AA00
FOXBORO ESTXXFU INNER PEN SERVO MODULE 120V 100-350 DEG F W/ MEL-198 ASSEMBLY
KB ELECTRonICS D-15050 ConTROL CARD D15050 REV. D, D- REV. B
SICK OPTIC ELECTRonIC WTB27-3P2411S12 SENSOR 1 VDC 1028206
ATLAS COPCO 2101-S4-115R POWER FOCUS TENSOR S4 ConTROLLER (HOUSING)
HonEYWELL OUTPUT MODULE ANALOG, 6210010 WITH TERM. BLOCK SET
AIRGAS Y11-210B SPECIALTY GAS REGULATOR 3500 MAX PSI Y11210B
NIB WARNER ELECTRIC MCS626-2 PHOTOELECTRIC DIFFUSE REFLECTIVE P/N: 7
NIB JOSLYN CLARK KTM31-15 OVERLOAD RELAY KIT KTM3115
UNICO 307-717 MEMORY PROCESSOR BOARD 307-717.2, 3077172
HonEYWELL PROCESSOR MODULE 6202030
NIB CPS LIFT MASTER 25281A COMMERCIAL PROTECTOR SYSTEM
NIB UNITED ELECTRIC ConTROLS HPRESSURE SWITCH 0-10PSI, H40015890
PARAMETRICS 700439 POWER INTERFACE BOARD, 700701G
WESTINGHOUSE NL-1049 A/D ConVERTER MODULE STYLE: 2623D06, 4-20 MA 8 BIT
SEALED PHOENIX ConTACT UMKS-C64M-VS TERMINAL BLOCK MODULE 2970565
FUJI ELETRIC 2DI50Z-120 TRANSISTOR BLOCKS 50A 1200V, 2DI50Z120
L-COM PR35B32BLK BNC FEED-THRU PATCH PANEL, 32-PORT
KING MODEL 7700 SERIES FLOWMETER, , 1500 PSI MAX PRESS
FLO-TORK A100-90-CR-ET-MS1-RKS-N ROTARY ACTUATOR 90DEG 125PSI A10090CRETMS1RKSN
NIB HonEYWELL RP920B-1031-3 PNEUMATIC RECEIVER ConTROLLER RP920B10313
ALLEN BRADLEY 1794-TB3 TERMINAL baseS 1794TB3 SER. A REV. A01, 96145474
RTE POWER/MATE ES POWER SUPPLY 115-230V, 47-440HZ, BA28868 , ESQ-180
NIB DURKEE ATWOODD BUSHING AND SHEAVE PULLEY 5A60B64SK
SYMBOL TECHNOLOGIES CRD2X00-4000S CHARGER 4-SLOT CRADLE CRD2X004000S
HAUHINCO TYPE S3P3310/E3-3IN HYDRAULIC SOLENOID VALVE MEDIUM HFA
CROUSE HINDS EVA-201 LIGHT INCAND HAZ LOC CLASS1 GROUP-CD 200W/250V, EVA201
KASUGA DVSC 1000AEM21 TRANSFORMER 1000 VA, 1P, 50/60Hz, DVSC1000AEM21
FANUC A16B-/02A PCB KEYBOARD A16B-
HonEYWELL PARALLEL I/O MODULE W/ CABLE ASSEMBLY DOUBLE END
NIB CUTLER HAMMER C320KB1 base AUX ConTACTS 1 N.O.
RIS ALA
NIB CUTLER-HAMMER C320KA3 AUXILIARY ConTACTS 1NO/1NC 600VAC SER. A2
INTERFACE AZI-8502 EXPANSION ConNECTION BOARD AZI8502
ALLEN BRADLEY 1771-DXAT A INFORMATION PROCESSOR AT BUS EXPANDER MODULE 1771DXAT
ATC 7693A RE08 DS2X / 7693ARE08DS2X SERIES 7693 PHOTOSENSOR 10-30VDC 120mA NSMP
BURNDY N400-500 COPPER LUG ConNECTORS N400500
NIB FASCO D503 MOTOR HP: 1/10, AMP: 1.0, V: 230, HZ: 60, RPM: 1590, SPEED: 1
NIB BOSCH AVENTICS R VALVE 24V DC 2.1W COIL
NIB OVAL EL0 RATE TOTALIZER 100VAC, EL
NIB INA KGHK40PPAS LINEAR DRAWN CUP BEARING UNIT
ALLEN BRADLEY 2755-DS4A BAR CODE DECODER 2755DS4A SER. B REV. C
NIB RHP 7908ETDULP4 SUPER PRECISION BEARING
ALLEN BRADLEY 1734-IB4 SER. D POINT I/O 4 POINT DIGITAL INPUT MODULES
GRINNELL LC-8171-4 SERIES 8000 BUTTERFLY VALVE 2.5" 250 MAX WP W/O HANDLE
NIB WARNER ELECTRIC MCS-626 PHOTOELECTRIC DIFFUSE REFLECTIVE P/N:
onVIO P023147 GEARHEAD 900
NIB WATERS WATCARTRIDGE CHECK VALVE
NIB WATERS WATWASH TUBE PKG (4)
ALLEN BRADLEY 509-EOD, NEMA FULL VOLTAGE NON-REVERSING STARTER SER. A, SIZE 4, 3
NIB IFM EFECTOR AC2258 MODULE AS-I SMARTLINE 4DI 4DO R, 31.6VDC, 250mA
NIB ELECTROSWITCH 8847CB-001 SWITCH ConTROL 8847CB001
FACTORY SEALED SPIRAX SARCO VALVE MECHANISM L6 58132 MECH KIT 1-1/2 FT/F-30 L 6
TECTROL INC. T0304/10-0838 SWITCHING POWER SUPPLY V 8/5A 60/50HZ
SIEMENS 6ES5-373-0AA81 MEMORY MODULE EPROM 6ES5373-0AA81, 6ES53730AA81
NIB WATERS WAT272615 SPARE ROTOR 2700
ACROMAG 14153-1 TRANSMITTER 1018-019G, SERIAL NUMBER 0G2738
GE FANUC IC693MDL241F INPUT MODULE 24VAC/VDC 16PT
PARTLOW 92 VERSACHART ENCLOSURE onLY REV C
DAIFUKU HCA-3661A BOARD IH SR0T1 W/ MEC-40V-0 BOARD
CYPRESS SEMI CY7C02720AC SRAM CHIPS SYNC DUAL 5V, CY7C027-20AC
NIB GE FANUC IC610MDL107B SERIES ONE PROGRAMMABLE MODULE 24VDC SINK LD IN/16
NIB AUTOMATED PACKAGING SYSTEMS 70737A1 SPACER, SMALL ConVERSION (QTY: 7)
OMRON E5CSV-R1T-F TEMPERATURE ConTROLLER 100-240VAC 50/60HZ, E5CSV
NIB ALLEN BRADLEY PHOTOSWITCH 42DRU-5000 PHOTOHEAD 10-30VDC 42DRU5000
NIB CISCO WS-X2922-XL-V 2-PORT MODULE, , REV. A0, WSX2922XLV
TEXAS INSTRUMENTS MODEL / 5056660 System 505 POWER SUPPLY 110/220VAC
SIEMENS MODEL / 5056660 System 505 POWER SUPPLY 110/220VAC
FISHER PARTS EMERSON 10A5458X012 / 1OA5458XO12 CAGE GASKET OEM
BLACK BOX ELN28T-0050-MF CABLE 50-FT, CAT 5, 25-PAIR, TELCOMALE TO FEMALE 50 PIN
NIB ASHCROFT K15M0242F2500#XCL TRANSDUCER XCL 25BAR 10-36VDC 4-20MA
WESTINGHOUSE 1625564 ConTACT KIT, 3-POLE,
ASCO AP2003-03 CONNECTOR, GLAND, FEMALE, 4.5' OF CABLE AP200303
NIB ATC1C TIME DELAY RELAY 120V, 50/60HZ, 0-6SEC
metaL WORK PNEUMATIC AP CYLINDER 080 BORE 0130 STROKE
FANUC A05B-2051-C121 OPERATOR PANEL A05B2051C121
WESTINGHOUSE 506A725G01 TYPE W SWITCH
APPLIED OPTPELECTRonICS AOI DFB-934-BT-06-2.5-C-LR-FA-503 193.4THz DFB LASER 6mW
FUJI ELECTRIC / SANSHA SAPOWER BLOCK PS12047 , 4F25
INTECOLOR ADJUSTMENT PANEL & BOARD ASSEMBLY F82B INTERFACE
GUHRING CT-62595 TOOLHOLDER , 11513756, CT62595
P.C.U. C-36153 MODUTROL MOTOR ConTROLLER C36153 W/ PCU A-35966
ALLEN BRADLEY 1771-ASB/E REMOTE I/O ADAPTER MODULE REV C05 1771ASBE
SID 970030 SE P.S. ASSY. 82.11 ARTWORK 84.11 ISSUE 2 BOARD
NIB TAKENAKA BL36 LIGHT SOURCE
MAC 82A-AC-CKA-TM-DDAP-2DA SOLENOID VALVE TM-DDAJ-2DA 24V
HITACHI TBCP 2YConTROL BOARD 2Y0009372
GE FANUC IC660-CBB902F BUS ConTROL MODULE IC660CBB902F FAB. 44A729654-G02
ATLAS COPCO QMM 340 25 ConTROLLER MODULE , 03
ALLEN BRADLEY 634487 MEMORY INTERFACE MODULE REV. 5
GE FANUC IC697BEM731F GENIUS BUS ConTROLLER 1 CHANNEL IC697BEM731
RELIANCE ELECTRIC A CAPACITOR NIPPON 32DX8265, 3000 MFD, 3000UF, 450VDC
NIB KOYO TRD-GK1000-PZ ROTARY ENCODER TRDGK1000RZ
ALLEN BRADLEY 1785-LT/B PLC-5/15 PROCESSOR MODULE 1785LT SER. B REV. 020
NIB FOXBORO 910-HC1 ConDUCTIVITY PROBE CELL 910HC1
GE FANUC IC660EBD024 ELECTR. MODULE 2/24 VDC SOURCE I/O 32 CIRCUIT
NIB FOXBORO 910-HC1-3 ConDUCTIVITY PROBE CELL 910HC13
SEALED JOHNSON ConTROLS V-PNEUMATIC ACTUATOR W/ V-3000-1 VALVE
SIEMENS 5SY4363-8 / 5SY43638 MCB MINI CIRCUIT BREAKER 400V 3POLE NSMP
GORE-TEX MEMBRANE / POLYESTER VACUUM FILTER
CUTLER-HAMMER DIGITRIP RMS/R 510 DIGITRIP RMS TRIP UNIT 7801C36G01, RP6A06A060
ALLEN BRADLEY DISConNECT SWITCH
GE FANUC IC600BF827K HI SPEED COUNTER MODULE 44A717584-G01
SPX 101665 / JJC160316J OEM INNER SILICONE SEAL CARBIDE FOR PUMP NSMP
INTERMEC 9710F02 / 9710 WEDGE READER W/ CODE 49 & 16K ENHANCED WYSE DEC NSMP
LITTELFUSE FLSR 400 ID / FLSR400ID TIME DELAY FUSE W/ INDICATOR 75-600V 400A
MITSUBISHI FCA-M3 RACK 4SLOT FOR NUMERICAL ConTROL SYSTEM TYPE: FCAM3
GUHRING HSK63 A TOOLHOLDER CT-62596 14X120 W/ 14MM SOLID CARBIDE STEPDRILL
ALLEN BRADLEY 1771-IA SER. A, AC INPUT MODULE 1771IA
UNICO CIRCUIT BOARD , 4688
GENERAL ELECTRIC GF8B2500 CLASS-L CLF FUSE 2500 AMPS
UNICO CIRCUIT BOARD 40005502, 308-042
NIB ALLEN BRADLEY 855TC-B10D3 SER. B TOWER STACK LIGHT ASSEMBLY 855TCB10D3, 120V
NIB GE FANUC IC610MDL129A INPUT MODULE 115VAC, 16POINT
INGERSOLL RAND CASTING RING 575D6LX2A-376
FOIL DRIVE UZ290668 ROLLER
BECKHOFF EL1014 I/O SERIES DIGITAL INPUT MODULES 24VDC OEM
ALLEN BRADLEY 1756-DNB SER. B DEVICENET COMMUNICATION MODULE 1756DNB
DELCO REMY 9000885 / SAE J1171 OEM STARTER FOR FORKLIFT
BECKHOFF EL1034 I/O SERIES DIGITAL INPUT MODULES 24VDC OEM
BALLUFF BTL-A18-0610-Z-S32 MICROPULSE TRANSDUCER 33-1/2" TOTAL LENGTH
NIB ATLAS COPCO 29 AFTERCOOLER SERVICE KIT
ROSS ConTROLS 8077A3900 OPEN CENTER PILOT VALVE 2-10 BAR 24 VDC
DIXON 1/2" X 3/8" DCP 17 QUICK ConNECT S DCP17
DGD GARDNER DENVER SMK-3.0F PC BOARD SMK 3.0F
BRAD HARRISON 884A30K03M006 MICRO CHANGE IN-LINE SPLITTERS
SQUARE D GROUPE SCHNEIDER DEVICENET I/O BLOCKS
ANDERSON INSTRUMENTS 56000-A17 BOARD 56000-A17 C, 56000A17C
HORTON 827600 KIT W/ NACHI 6014-2NSL
NIB FISHER ConTROLS 10B2890X012 BOURDON TUBE ASSEMBLY TYPE 43-001
UNIVERSAL COMPonENTS INC. PD/B2S-6TL BRASS ACTUATED VALVE 3/4''
GE FANUC IC693PCM301J PROGRAMMABLE COPROCESSOR MODULE 192K
ISSC 340C-SDP PC BOARD MODULE 115VAC, W/ B-16-09-037 REV. C BOARD ESC-1
PANASonIC WV-BP330 CCTV CAMERA 120V AC, 60HZ, 3.5W, WVBP330
MOORE PRODUCTS PS02-0036V2.05 PROCESSSUITE 2.0 NODE UPDATE KIT
SIEMENS DIGITAL MODULE OUTPUT 110~220 AC 5054808
NIB PARKER 94814ACFSB42 NORMALLY CLOSED SOLENOID VALVE 11.2 WATTS, 0.085 ORIFICE
NIB LANCO 626B187G13 SIZE 3 ConTACT KIT WA3LC
ALLEN BRADLEY 1771-WG WIRING ARMS 1771WG
NIBUE LC1D40004F5 ConTACTOR LC1-D40004F5, 110V, 50HZ
ALLEN BRADLEY 1771-WC SER. B WIRING ARMS 1771WC
BIG CHIEF R1L-AA-4C120-132C0001 RESISTANCE TEMPERATURE DETECT PROBE 304SS
R1LAA4C120-132 C0