PLC模块是构成可编程逻辑控制器（Programmable Logic Controller）的核心硬件单元，广泛应用于工业自动化控制系统中，负责逻辑运算、数据处理和设备控制。它通常采用模块化设计，由多个功能独立的组件构成，可根据实际需求灵活配置与扩展。
主要构成模块及功能：
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响应速度与控制能力 。
电源模块
为整个PLC系统提供稳定的工作电源，通常将外部交流电转换为内部各模块所需的直流电，并可能为传感器提供24V供电 。
输入/输出（I/O）模块
数字量输入（DI）/输出（DO）模块：用于接收开关信号（如按钮、限位开关）或控制继电器、指示灯等。
模拟量输入（AI）/输出（AO）模块：处理连续变化的物理量（如温度、压力），通过A/D与D/A转换实现与现场仪表的连接 。
特殊I/O模块还包括高速计数、脉冲输出、热电阻/热电偶采集等类型 。
通信模块
支持Modbus、Profibus、Ethernet/IP等工业协议，实现PLC与上位机、HMI、其他PLC或智能设备之间的数据交互，适用于构建分布式控制系统 。
特殊功能模块
如位置控制模块（用于伺服电机定位）、温度控制模块、远程I/O模块等，满足特定工艺需求
TOYO KEIKI ECF-12NZ WATT METER PT 460/115V CT 1000/5A
Industrial Interface IIR-421/422 Loop Powered Signal Isolator IIR-421-422
SE TSXSCY21601 COMMUNICATION MODULE
DEIF KW METER 100036913.30 KILOWATT METER 115VAC 1500/5A
T&B 3SE3 Limit Switch 3SE3-120 220V
SULZER 112.054.356.210 I/O MODULE AQ1A REV F
Fuji TR-3NL Thermal Overload Relay 45-67A JEM TR3NL
TELEMECANIQUE TSXDMF401 40 I/O 24VDC PROT. EXTENS
Thiim UMCA B230 DA3C Voltage Relay UMCAB230DA3C
ALLEN BRADLEY CAT 2755-CR06-2 SERIES A DECODED RS232 SCANNER DTE CABLE
DEIF TAC-220DG/1 TRANSDUCER 45867.59 TAC220DG1
Fuji SC-5-1 (19) Magnetic Contactor 32A Coil Voltage 400-440V SZ-A11 Aux Relay
EUROSENSOR AZ1+1 TIME RELAY 001068 220VAC 0.5-10S
Carlo Gavazzi PMC01D230 Multifunction Timer 230V AC
Toyo Keiki FL-IT Frequency Converter FLIT
Mitsubishi TH-K20TASR Thermal Overload Relay 18-26A JEM 1356S 22A TH-K20TA
Toyo Keiki DGP-1 Isolator 24V DC
SE 140 DDO 353 00 I/O Module 140DDO35300
DAE BOONG D-300 MEGA OHM METER
Omron TP 180IA Pneumatic Timer Off-Delay J74KN-B-TP180IA 10-180S
Danfoss KPS 80 Temperature Switch 060L3132 076 KPS80 060L3132
BRODERSEN UNIC XMW MULTIFUNCTION RELAY XMW S1-SPDT
SULZER 112.054.354.210 I/O MODULE BQ2B REV C
KNICK L128 A2 DC-ISOLATION AMPLIFIER
SULZER 112.054.358.210 I/O MODULE AI2B REV E
NORTH AMERICAN SIGNAL TR3-24A REVOLVING LIGHT 24V
TYCO VALVES 52XCAC OIL FILTER ELEMENT AB52XCAC
SENECA S301 DIGITAL INDICATORS 115-230VAC
TELEMECANIQUE 2200EB230EA MAGNETIC ConTACTOR COIL VOLTAGE 24VAC
SE TWDLMDA20DRT base MODULE
Omron K2CM 4LA Motor Relay 400-440 VAC K2CM4LA
JUMO WEISHAUPT ITRON DR100 COMPACT ConTROLLER 702060/299-999-000-23
ALLEN BRADLEY CAT 1794-IB16X0B16P FLEX I/O MODULE 97284871 1794-TB32 96385272
ATS01N206QN SOFT STARTER 2.2KW
YOKOGAWA UT 35 TEMPERATURE ConTROLLER 90-250V
ALLEN BRADLEY 1734-ACNR I/O ConTROL NET ADAPTER MODULE 96391078
YT F96-ACB KILO AMPERE METER 1.6K/5A
CROMPTON 253 PAPW PROTECTOR RELAY
CROMPTON 256-PLDG POWER PROTECTION RELAY 380V
SE SR3B101BD LOGIC RELAY 24VDC
ALLEN BRADLEY CAT 100-C23-10 32A MAGNETIC ConTACTOR COIL VOLTAGE 230V 100-F
PHOENIX ConTACT ELR H3-IES-SC-24DC/500AC-0.6 HYBRID MOTOR STARTER 29 005 66
Pepperl + Fuchs KFD0-CS-EX1.54 Repeater Barrier 107496
OMRON G2RV-SL500 INTERFACE RELAY LOT OF 8 UNITS
MARZOCCHI ALP1A-R-2-E2 GEAR PUMP
PHOENIX ConTACT PSR-ESAM4 POWER SUPPLY 2963996 PSR-SPP-24UC/ESAM4/8X1/1X2
PLC DIRECT D2-03B DIRECT LOGIC 205 POWER SUPPLY
TSXAEY800 8 HIGH LEVEL ANALOG INPUT MODULE
TSXAEY1600 16 HIGH LEVEL ANA INP
ELECTROMATIC SA205724 DELAY ON OPERATE 24VDC SA 205 724
SIEMENS 3RW3018-1BB14 AC SEMIConDUCTOR MOTOR STARTER 7.5KW/400V
PANASonIC FP-XH C60T ConTROL UNIT AFPXHC60T-F 100-240V
PULS ML30.102 POWER SUPPLY 10-12VDC 3A
PULS YR2.DIODE DUAL REDUNDANCY AND DECOUPLING MODULE
MITSUBISHI SR-K6 3-POLE MAGNETIC ConTACTOR 3A COIL VOLTAGE 380-440V
WEIDMULLER CP T SNT 90W 24V 3.8A POWER SUPPLY 1105790000
SYRELEC PAR 2.C TIME RELAY 110V
TELEMECANIQUE CA2DN22M7 ConTROL RELAY 023054 COIL VOLTAGE 220-230V
TELEMECANIQUE LP1 D12 008 MAGNETIC ConTACTOR 25A 24V
SCHIELE ENTRELEC SRN CURRENT MonITORING RELAY 2.450.111.01 220-2240V
ABB TF65-40 THERMAL OVERLOAD RELAY 1SAZ811201R1003 30-40 A
SYRELEC OAR U TIMER RELAY 110VAC/24V AC-DC
FESTO MIDI-24 C643 172959 PNEUMATIC VALVE DRM-D-MIDI C543 170685
SIEMENS 6ED1052-1MD00-0BA8 LOGO BM 12/24RCE PROGRAMMABLE RELAY
BBC C461.02 TIME DELAY RELAY
BBC C461.02 TIMER RELAY 9-180S
CUTLER HAMMER EHD 14K CIRCUIT BREAKER 40A EHD2040L 6638C93G89
TSXDEY64D2K 64I 24VDC SINK CONN
TOYO KEIKI DGP-1 ISOLATOR 24VDC 4-20mA
DATALOGIC AUTOMATION DS1100-2111 SH2347 WITHOUT CABLE
EMKO ESM-4450 SMART I/O MODULE PROCESS ConTROLLER 24V
DOMINTELL DBIR01 8-OUTPUT RELAY
DOMITELL DTRV01 4-OUTPUT SHUTTER MODULE
DOMINTELL DD1000 DIMMER MODULE
TELEMECANIQUE TSXDET1612 DISCRETE INPUT MODULE
GE TED124100 2-POLE CIRCUIT BREAKER 100A GENERAL ELECTRIC
ELCON INSTRUMENT MB4/8/20+20 MULTI BARRIER SYSTEM
ABB AF38-40-00-11 ConTACTOR 24-60VAC/20-60VDC
ALLEN BRADLEY CAT 140M-F8E-C32 MOTOR PROTECTION CIRCUIT BREAKER 23-32A
SENMATIC 15W13 WIRE SENSOR 1018-032
FURNAS 42BF35AJAFD DEFINITE PURPOSE CONTACTOR
SIEMENS 42BF35AJBWA DEFINITE PURPOSE ConTACTOR 87713-101-3 COIL VOLTAGE 24V
SQUARE D LD1 LB030 TELEMECANIQUE LB1 LB03P MOTOR STARTER COIL VOLTAGE 210-240V
ENDRESS + HAUSER FTL 325P-F1A1 NIVO TESTER 85-253V AC
PILZ PNOZ MC3P PROFIBUS-DP 773721
SIEMENS SIMATIC PSU100C POWER SUPPLY 6EP1332-5BA00 24VDC 2.5A
MOELLER DIL M50 MAGNETIC ConTACTOR DIL M(C) 50 230-240V
Bender CSE141 Overload Relay B942615 85-275 VAC CRACK ON BODY
MOELLER ZM-10-PKZ2 MANUAL MOTOR PROTECTOR
MOELLER ZM-16-PKZ2 MANUAL MOTOR OPERATOR
MOELLER ZMR-16-PKZ2 MANUAL MOTOR PROTECTOR
MOLLER ZMR-16-PKZ2 MANUAL MOTOR PROTECTOR
PHOENIX ConTACT FL SWITCH SFN 8TX INDUSTRIAL ETHERNET SWITCH 2891929
TELE UW450V4X TIMER RELAY
GE TED136040 3-POLE CIRCUIT BREAKER 40A GENERAL ELECTRIC
DAIICHI LSK-12 AMMETER CT 250/5A 0-250A
DAIICHI LSK-12 VOLT METER 0-150V
BENTEC SCHL300501L1 FU-ConVERTER 605089
IFM PN3097 PRESSURE SENSOR WITH DISPLAY 18-30VDC
MINILEC ALV D2 PHASE FAILURE RELAY 380-415-440VAC
DAE JOO DT-1A-A1AA AC CURRENT TRANSDUCER 110/220VAC
Deif DQ96-X Watt Meter 1200024104B -150 To 1500 kW Meter
Wandfluh SD6202D20-AA-K153 Digital Amplifier 727.2408
TOYO KEIKI ACF-12N VOLT METER PT 460/115V 0-600V
TOYO KEIKI ECF 12N WATTMETER PT 460/115V 100-750 kW METER CA2 02 805
TOYO KEIKI ACF-12N DOUBLE AMMETER CT 2000/5A 750
KONE 86422G01 t 42/09 MODULE
HIRSCHMANN EAGLE MGUARD TX-TX INDUSTRIAL SECURITY ROUTER 9.6-60VDC/18-30VAC
MITSUBISHI SRS-HNP SOLID STATE TIMER 200-240VAC 0.1-10 SEC
Volgen MGA03C24B Power Supply MGA 03 C 24B
Omron CP1E-N60DR-D Programmable Controller 24V DC CP1EN60DRD
DEIF XL96 ANALOGUE ILLUMINATED BRIDGE INDICATOR
Toyo Keiki FCF-12N Frequency Meter 110V JIS C 1102 CE117608
DAIICHI LSK-12 DOUBLE AMMETER CT 1200/5 & 600/5
DAIICHI LSK-12 VOLT METER PT 460/115V 0-600V
DAIICHI PAK-100 FREQUENCY METER
140CRP93200 RIO ADAPTOR MODULE
DAIICHI LSK-12 AMMETER CT 1200/5A 0-1200A
SR2 B201BD COMPACT SMART RELAY ZELIO LOGIC
Toyo Keiki ACF-12N Ammeter CT 250/5A ACF12N
TOYO KEIKI ACF-12N AMMETER CT 800/5A
MEASUREMENT TECHNOLOGY MTL2212 3-CH SWITCH OPERATED RELAY 24VDC
TOYO KEIKI ACF-12N VOLTMETER PT 460/115V
ALLEN BRADLEY CAT 1794-OB32P SERIES A 97284771 FLEX I/O MODULE 1794-TB32 9238527
TSXAEZ802 8-ANALOG INPUT MODULE
IXXAT 1.01.0121.22020 CANBRIDGE V1.3
ABB DSDI 110A PCB 3BYN571601-M/03 3BYN 266801-008
MEASUREMENT TECHNOLOGY MTL2212 3-CH SWITCH OPERATED RELAY 120VAC
MEASUREMENT TECHNOLOGY MTL2212 3-CH SWITCH OPERATED RELAY 240V
SYRELEC PAR 2.C DELAY TIMER 110VAC
DAIICHI LSK-12 AMMETER CT 400:5A
ENDRESS HAUSER FTL 325P-F1A1 NIVOTESTER 85-253V AC
SCHIELE ENTRELEC YDAV STAR DELTA TIMER 2.430.203.02
140CPS22400 POWER SUPPLY MODULE
MITSUBISHI Y-1 TRIP CHECK DEVICE LN422N140-1 100-120V
TERASAKI EIH-222 K/762/622-001A
STAIGER 631-016 SOLENOID VALVE MA 422-003V 27 SAW 24VDC 0-8 BAR
PEPPERL + FUCHS KFD2-SL2-EX1.LK SOLENOID DRIVER 200542
OMRON TMM-0043 b INTERFACE CARD
OMRON TMM-0045 C INTERFACE CARD
BANNER ENGINEERING OPBB3 ANALOG OMNI BEAM POWER BLOCK 210-250V
MATSUSHITA BAV851-24 FLICKER RELAY 24VDC
CENTURY CMSC-7773-RTD FAN FAIL TEMPERATURE DETECTION UNIT
TAMAGAWA TS5N2E11 SYNCHRO METER 100/110V
MICRO ConTROL MC-RX-RLS RELAY E02RLS
STAHL 9167/13-11-00 LOOP POWERED ISOLATING REPEATER
Deif Lamp Synchroscope 32822-10
Semco Marine 8-1000/220-3 Heating Element Indicator
Saginomiya SNS-C106Q Pressure Controls 1584440 SNSC106Q 0.196 MPa
CLIPSAL L5508D1A 8-CH DIMMER 220-240V
IFM ELECTRonICS AC2509 AS INTERFACE CLASSIC LINE MODULE
TELEMECANIQUE XUJ-T700318 PHOTOELECTRIC DETECTOR
Semco Marine 8-1000/220-3 Heating Element Indicator 81000 2203
CARLO GAVAZZI ST115230 TEMPERATURE LEVEL RELAY 230V
DOLD BF9250.91/042 SOLID STATE ConTACTOR 0059483
HIRSCHMANN SPIDER 1TX/1FX RAIL SWITCH 9.6-32VDC
OTB1C0DM9LP I/O DITRIBUTED OTB MODULE
SR2 B201FU ZELIO LOGIC RELAY 100-240VAC 88960053
SIEMENS 3UL0303-0EA VOLTAGE/PHASE MonITOR 230VAC
FBF ST3PA-B MULTI-RANGE SUPER TIMER
AUTRonICA GA-112/E DUAL THERMOCOUPLE AMPLIFIER 12-32VDC
AUTRonICA GA-110/E THERMOCOUPLE AMPLIFIER 0-160’C
IFM MonITOR FR-1 FREQUENCY SPEED DD2003 110-240VAC/27VDC
ABB TB820-1 PCB 3BSE008556R1
ALLEN BRADLEY CAT 2085-IQ16 MICRO800 16-POINT INPUT MODULE
Phoenix Contact INTERBUS-S IBS 24 DO/32-B Digital Output Module 24V DC
MOELLER LE4-116-XD105 DIGITAL EXPANSION MODULE
RM35JA32MW 1-PH CURRENT ConTROL RELAY
BERGHOF QDIO 16/16-0,5 21335112-017251 VER 0012 24VDC
Phoenix Contact INTERBUS-S IBS 24 DO Digital Output Module 24V DC 2784049
PHOENIX ConTACT IB IL 400 ELR 1-3A SPECIAL FUNCTION MODULE 2727352
DEIF TAV-311DG TRANSDUCER 110-230V
HAGER EV103 DIMMER 242103 230V
IDEC FC5A-SIF4 PLC EXPANSION MODULE
SIEMENS SIMATIC S7 6ES7 315-2AF03-0AB0 POWER SUPPLY
ABB BC16-30-01 ConTACTOR 24V DC
IFM PN3007 PRESSURE SENSOR WITH DISPLAY 18-36VDC
Seg XU2-AC Power Relay 100-400 VAC XU2AC
JRC M1437(A) MAGNETRON
JRC M1437(A) Magnetron M1437A
PAPST 7450 AXIAL FAN 4728836 220-230V
ELTEK AL175NT ALA
OMRON SAO-S1N CURRENT SENSOR AC 100/110/120V
LUB320 POWER base LUCA32FU ConTROL UNIT
SIEMENS 6ES7 138-4DF01-0AB0 INTERFACE MODULE
KUM OH AM-06N ALA
TELE E4X11 TIME RELAY TR3 240V
STAHL AOM HART 08 ANALOG OUTPUT MODULE 9466/12-08-11
VIPA 022-1BF00 8CH DIGITAL OUTPUT MODULE 24VDC
DEIF NOR Bridge Wing Indicator 10-0-10 V RPM Meter 0-120
SIEMENS