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Q64TCTT）、运动控制模块等，满足特定工艺需求。
SCHMERSAL SHGV/L01/222 KEY TRANSFER SYSTEM SWITCH AND ACTUATOR KEY
DICON INDUSTRIAL OSD 110-INDUS1-A02 VER. A BOARD 110INDUS1A02
WORCESTER 2" 416TTE BALL VALVE R16CWP1000 THREE PIECE
GENERAL ELECTRIC 16SB10 226A9448G1X2 CAM SWITCH 2-POSITION
SQUARE D 9012-GRG-3 SER. B PRESSURE SWITCH 240PSIG, 1.5-30, 9012GRG3
ALLEN-BRADLEY 849-N2A SER. A PNEUMATIC TIMING RELAY AUXILIARY ConTACT KIT
DIAMOND AUTOMATION AC MOTOR DRIVE BOARD DB25-15MFD-487-S-T-DC-0 PROF.
NIB TELEMECANIQUE ZB4AEQ3870G3 AMBER PUSH PULL ILLUMINATED W/ ConTACT BLOCKS
NIB CUTLER HAMMER 9-464-3 COIL 440V, 60CY, 464-3, 94643
BDC BURNER DESIGN AND ConTROL 581X-100689 FINNED HEATER CARTRIDGE 1000W 280V
VEKTEK 10-0615-05 HYDRAULIC CYLINDER 10061505 25PSI MAX
DELTA POWER COMPANY 85004029 SOLENOID VALVE
TEKEL TK461.FA.500.11/30.S.K4.10.L07.PP2 ENCODER 11/30VDC, TK461FA500
NIB DIAMOND C-45450CL-08-1-P CHAIN linkS 50 SC E1 CL
SEALED MODICON AEG AS-BDEP-218 INPUT MODULE TSX A120, 115VAC, ASBDEP218
NIB MDT BIOLOGIC 61284 PARTS KIT 3450-003-040, 33037
NIB ATLAS COPCO 2910-5008-00 INTERCOOLER SERVICE KIT 2910500800
AUTOMATION PLC DIRECT D4-16NA / D416NA DL405 16-PT INPUT MODULE 80-132VAC NSMP
AMETEK ARMATURE 214787 31/AG0S/1, 31/AGOS/11
ASSEMBLY PRODUCTS AQGFR-0B4 ConTROLLER UNIT QUALIFIER ASSEMBLY AQGFR0B4
CHESHIRE 852078 REV. 2 CIRCUIT BOARD 982050-05
CROUZET U83161.5 SNAP SWITCHES U831615
SMC KQ2L07-09A REDUCING ELBOWS 5/16" X 1/4" KQ2L0709A
ALLEN-BRADLEY 634575-01 POWER SUPPLY MODULE ConTROL PANEL 63457501
CASHCO 1/2" NPT D SS/G1/S1 20-40PSI PRESSURE REGULATOR ASSY W/ VALVE & GAUGE
NIB MRC 104KRDU-BKE BALL BEARING BAKE/C3/ABEC-1 171X. 104KRDUBKE
WESTINGHOUSE ELECTRIC 6248100G02 TERMINAL LUG KITS
OMEGA ENGINEERING TEMPERATURE KIT RTD-860 SENSOR, ADL-2 NUTS, CONNECTOR, WIRING
ORIENTAL MOTOR / SUPER VEXTA KBLD60-C ACR AC200/230V 3.1A KBLD60C
ABB 81Q03110B-A06 DSP-KORT CIRCUIT BOARD 81Q03110BA06
KOS LQ0650-CC SWING CLAMP 075039 LQ0650CC
FOXBORO 65FS-FDJB-C FIELD MOUNTED INDICATING PRESSURE GAUGE 0-75PSI, 65FSFDJBC
NIB LITHonIA LIGHTING ELT16 TITAN SERIES EMERGENCY LIGHTING UNIT 16W 6VDC OUTPUT
FANUC ROBOTICS EE-3285-027 RPP FOR STANDARD ConTROL RELIABLE TP EE3285800154
BANNER SBDL1 / 17626 MULTI-BEAM DIFFUSE SCANNER BLOCK SENSOR 0.6M RANGE NSMP
NIB ALLENAIR E 1&1/2 X 5 BC D11 PNEUMATIC CYLINDER
ROCKFORD DYNATORQ 15-50-1 ConTROL PANEL W/ STACO ENERGY TYPE 221 AUTOTRANSFORMER
ACME ELECTRIC SPWS-2448 REGULATED LINEAR POWER SUPPLY SPWS2448
RED LION ConTROLS L513965 MICROPROCESSOR TACHOMETER
HYDRonORMA ZDR10DA3-11 VALVE W/O KEY ZDR10DA311
NIB SQUARE D 9007-C86L REED LIMIT SWITCH CO86, SER. A, 600V, 5A, CT-54, 9007-L
HYDRALIGN SC6011CB ConTROL BOARD, SC6011CB
MICROSTAR LABORATORIES MSXB 039-03-C3Z DIGITAL EXPANSION BOARD MSXB03903C3Z
MICROSTAR LABORATORIES MSXB 038-05-C3Z DIGITAL EXPANSION BOARD MSXB03805C3Z
MORI SEIKI F66234B08 FLANGE 060711 0C40204922-075
NIB MITSUBISHI V4SKW EXTERNAL HANDLE
AVTRON A10459 CALIBRATION BOARD REV J MACH. C12213
AVTRON A10459 CALIBRATION BOARD MACH C12213
NIB CUTLER-HAMMER 10337H192-66E TYPE PN PNEUMATIC TIMER 10337H19266E
DWYER 668C-16 COMPACT DIFFERENTIAL PRESSURE TRANSMITTER 668C-1634 10 4416420
ZEKS 50LTB ACCRAFILTER PRESSURE REGULATOR 250 PSIG ELEMENT NO. L50
ALLEN BRADLEY 1778-OYA ConTACT OUT PIVOT ARM
GE FANUC IC693MDL753E OUTPUT MODULE 12/24VDC .5A 32PT 44A732232-G01
ARMSTRONG B1671-4 STEAM TRAP PCA 213/813 9/32 17-4 H900 STK B16714
MOISTURE SYSTEMS 1080 ANALOG OUTPUT CARD
WAGO 51191018 8-PORT INDUSTRIAL ETHERNET SWITCH
NIB SICK OPTIC ELECTRonIC WL 36-B330 PHOTOELECTRIC REFLEX SWITCH WL36B330
NIB INTERNATIonAL RECTIFIER IRKD270-16 RECOVERY RECTIFIERS 270A 1.6kV
GOODYEAR 2310-14M-40 TIMING BELT HI-PERFORMANCE PLUS
BOX OF 47 OZ GEDNEY 31-075 THREADLESS ConNECTORS GLAND COMPRESSION 3/4"
DYNAMICS RESEARCH CORP. 153/020-1000-180SCJ ROTARY ENCODER 1530201000180SCJ
GENERAL ELECTRIC IC610CCM111A I/O link REMOTE MODULE
ALLEN BRADLEY N31 OVERLOAD THERMAL UNIT HEATING ELEMENTS
TOSHIBA MG100Q2YS9 TRANSISTOR MODULES
NIB PIAB L28A6-B2N VACUUM PUMP MINI L28A6B2N
DIAMOND CT-7466-P 40-2 OFFSET CHAIN linkS #40 CT7466P
SIEMENS 6SE7090-0XX84-0FJ0 / 6SE70900XX840FJ0 SIMOlink SLB COMMUNICATION USNP
HYSTER 0359005 / HY0359005 OEM BACK PLATE FOR FORKLIFT NSNP
MERIAM INSTRUMENT D0020IW DIGITAL MANOMETER B0914P002
ALLEN BRADLEY 1756-M08SE /B ControlLogix 8-AXIS SERCOS INTERFACE MODULE 307559
FESTO VSVA-B-M52-MZ-A1-1C1-APP / 560726 SOLENOID VALVE VSVA SERIES 24VDC NSMP
BANNER QS18AP6LP-93093 / 93093 WORLD-BEAM PHOTOELECTRIC SENSOR 10-30VDC NSMP
BANNER QS18AP6LP-93092 / 93092 WORLD-BEAM PHOTOELECTRIC SENSOR 10-30VDC NSMP
EATON CUTLER-HAMMER C310CNA3 SOLID STATE OVERLOAD RELAY, 5-30A, SERIES A1
4 DAYTON 6KD75 AC AXIAL FANS BALL BEARINGS 115V 117CFM NSMP
FESTO CPV10-M1H-2X3-GLS-M7 / 161416 SOLENOID VALVE 2-POSITION 18-26.4VDC NSMP
OPTIMIZE TECHNOLOGIES 39-57-01251 OPTI-MAX INLET CHECK VALVE 1/8'' RUBY BALL
NIB TIMKEN TORRINGTON NA6916 NEEDLE BEARING RNA-NA6916
YALE 582025062 / YT582025062 OEM SWITCH FOR FORKLIFT
PHOENIX ConTACT MCR-PT100/U/DC TEMPERATURE TRANSDUCER ART. NO: 2810311
PULS ML30.101 / ML30101 MiniLine POWER SUPPLY 100-240VAC INPUT 5-5.5VDC OUT NSMP
ALLEN BRADLEY 2090-XXNPY-16S03 /A Kinetix MOTOR POWER CABLE 2090XXNPY16S03 USNP
FABCON 90PA91 / PA-91 PHOTOCELL LIGHT INTEGRATOR MODULE NSMP
ALLEN BRADLEY 440N-Z21W1PH /A Guardmaster MAGNETICALLY CODED SWITCH MICRO NSFS
2 FESTO OS-1/4-B / 6682 OS SERIES OR PNEUMATIC GATE VALVES 1-10BAR NSMP
SIEMENS 3RT2025-1BB44 / 3RT20251BB44 SIRIUS ConTACTOR 17A 400V 7.5kW NSMP
SICK GSE6-P4211 / 1061394 PHOTOELECTRIC SENSOR 10-30VDC 0-10m(15m) NSFS
NIB RTE TRANSFORMER 600 AMP VBT VISIBREAK 'T' TERMINAL ASSEMBLY 2637939B26M
CLIMAX C-118 STEEL SHAFT COLLARS 1-1/4" ID
FIKE SIZE 4'' TYPE AD SST TEF RUPTURE DISC 4.55PSIG NOS
105650-9 COUPLINGS 1056509
OPTO 22 AD6 I/O MODULE 0-5VDC INPUT ISOLATED ANALOG NSMP
SIEMENS 3RN2010-1CA30 / 3RN20101CA30 THERMISTOR MOTOR PROTECTOR 24VAC/DC NSMP
NIB ALLENAIR A-2 X 3/4NT-CS CYLINDER TABLETOP BRAKE CYP-P-3005-0, A-2X3/4-NT-CS
SIEMENS ITE NF351H /A Vacu-Break SWITCH W/ Clampmatic ConTACTS 30A 600VAC
NIB SIEMENS 3RV2011-1JA10 MOTOR STARTER/PROTECTION 3RV20111JA10
BP SOLAR 3108.0244 1303000379 SEALING GASKETS 972X244 D=10 T=3 ELMA
2 SIEMENS TEXAS INSTRUMENTS 505-4908 / 5054908 8-PT 505 RELAY OUTPUT MODULE
PULSAFEEDER K6PTC3 KOPkit FOR ELECTRonIC METERING PUMP NSMP
NIB MRC 5307MFF-H501 BEARING STEEL/C3/ABEC-1, 35X80X35MM, 5307MFFH501
DATALOGIC S5-1-C8-20 / G5110520 PROXIMITY SENSOR S5 SERIES 15-264VAC 731481 NSMP
BANNER SM312DMS-38577 SENSOR 5VDC D/O 42FT. STRIPPED 12IN ON END 38577
FESTO MFH-5-1/8 / 9982 MFH SERIES SOLENOID VALVE 5/2 MonOSTABLE MFH518 NSMP
SELECTA SWITCH INC. SC-85-BX CROCODILE STEEL SPRING CLIPS SC85BX
MAC 548-26172 / 54826172 SOLENOID VALVE 24VDC 6W COIL PME-507AAAG NSNP
MAC 548-26170 / 54826170 SOLENOID VALVE 24VDC 6W COIL PME-507AAAG NSNP
BOX OF 16 SPEEDAIRE 4Z032 MOUNTING BRACKETS
COGNEX 800-5726-1 (D) / 200-0136-1 (C) LIGHTS / AUX IO VISION ConTROL BOARD USMP
COGNEX 800-5726-1 (C) / 200-0136-1 (B) LIGHTS / AUX IO VISION ConTROL BOARD USNP
COGNEX 800-5726-1 (A) / 200-0136-1 (A) LIGHTS / AUX IO VISION ConTROL BOARD USMP
MOTOROLA AAM50KNC9AA1AN / PMLN4598C Radius CM200 2-WAY RADIO 25W 4CHNL USNP
WESTINGHOUSE 230482 BRUSHES WP11
SQUARE D 9001-KA-2 FINGERSAFE ConTACT BLOCKS SER J, 9001KA2
BALDOR RELIANCE 419904-1BV BRUSHES RE041BV, 0.375 X 0.750 X 1.250
SIEMENS 3RG4023-0KB00 / 3RG40230KB00 INDUCTIVE PROXIMITY SWITCH 20-265V NSMP
COSEL R50A-12 / R50A-12-N / R50A12 R SERIES POWER SUPPLY 12V 4.2A 50/60Hz NSMP
7 WESTINGHOUSE PB1A STANDARD ConTACT BLOCKS 600V AC/DC 30.5mm 1NO NSMP
ALLEN BRADLEY 440N-Z21S16H /B SensaGuard NON-ConTACT SWITCH 24VDC 15mm NSNP
MAC 93A-000-CJA / 93A000CJA PNEUMATIC SOLENOID MANIFOLD SUB-base NSNP
AVDEL 07555-09108 SPARE SLEEVE REDUCTION 8MM
FESTO MS6-EE-1/2-10V24-S / 542602 ELECTRICAL SHUT-OFF VALVE 24VDC COIL NSNP
FESTO LF-D-5M-MAXI / 186464 COMPRESSED AIR FILTER W/ SEPARATOR 240PSI NSNP
GRACO 218-739 SERIES 194B PUMP SEAL 218739 **
SONY MA-93 1-672-340-13 A-8320-896-A MOUNTED CIRCUIT BOARD W/ WM-10 1-672-344-11
ALLEN BRADLEY 1791-IOVW SER. A I/O MODULE 64POINT, 24VDC, 1791IOVW
ALLEN BRADLEY 872C-M8NP18-E10 /E INDUCTIVE PROXIMITY SENSOR 10-30VDC 8mm NSNP
OMRON E3X-H11 PHOTOELECTRIC SENSORS 10-30VDC, E3XH11
NEOMAX 3210.0124 / 10.16.200 / 239002 CARTRIDGE HEATER 1000W 280V
CKD 4L219 SOLENOID VALVE 0.15-0.97MPa W/ P5132M0R PILOT VALVE 24VDC
ME 420P7W / 60310M / MVH23 WATERTIGHT PIN & SLEEVE PLUG KIT 20A 3P NSMP
ALLEN BRADLEY 599-K04 SER. C SURGE SUPPRESSOR 599-KO4
HonEYWELL 621-0006 REV. A BCD ConVERTER 6210006 -
HonEYWELL 621-0006 BCD ConVERTER 6210006 -
HonEYWELL 620-0053 I/O EXPANDER MODULE, 6200053
YALE PREMIER 800137782 / YT800137782 OEM BRAKE SHOE SET (2) FOR FORKLIFT NSMP
ALLEN BRADLEY 440R-N23114 /A Guardmaster MSR126.1T SAFETY RELAY 24VAC/DC 4W NSMP
ALLEN BRADLEY 100-D180D00 /B ConTACTOR 100-D180 180A 3-POLE 100D180D00
OKUMA E4809-032-452-B / 1911-1120-31-143 OPUS 5000 EC BOARD
OMRON C200H-OD211 OUTPUT UNIT 24VDC 0.3A/POINT .2A UNIT C200H-0D211 -
KRonES 1-071-11-010-0 SHAFT BOTTLE PLATE BOLT 1071110100
NEO-DYNE 112P84C6343 ADJUSTABLE PRESSURE SWITCH
ST. CLAIR SYSTEMS SX0203B TEMPERATURE SENSOR CABLE
VERSA VSG-3331-31-155-120V60 THREE-WAY VALVE ASSEMBLY 043432 *MISSING SOLENOID*
FANUC A16B-1211-0030/04A CPU MEMORY BOARD A16B-1211-0030, A16B12110030
BAG OF 16 GENERIC A01030031 SILICONE O-RINGS 31,42X2,62 3125 100-KE09