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。
EPMB 00.781.3685 | Heidelberg | 00.785.220 EPM8, EPROM,
1786-RPT | Allen Bradley | ControlNet Repeater, Coax, , SerA
LADT4 | Schneider | Time Delay Contact Block, 690VAC,25-400Hz,
SD55X | MTL | SD Series, Surge Protection Device (SPD), 55V,Opened
| Schneider | Ethernet Adapter,
E82ZBC | Lenze | Operator Keypad Module, 8 Buttons, TextDisplay, Opened
E3S-AD32 | Omron | Sensor, Diffuse Reflective, PNP, 70cm,Horizontal,
2706-P22R | Allen Bradley | Inview Panel Mount Display 2 Line, ,Ser A
6ES5760-1AA11 | Siemens | S5 Connector w/Terminating Resistor,for IM 314,
73600-C0210 | Omron | Communication Card for Varispeed F7,
PRK 55/66,200-S12 | Leuze | Photoelectric Sensor, 10-30VDC,
E82ZAFSC010 | Lenze | Series 8200, Digital I/O Module, 1xAI/AO,4xDI/1xDO,
XCS-ZP591L01M12 |ue | Safety Magnetic Switch, 24V,100mA,
750-462 | WAGO | Input Module, Analog, 2 Channel, ThermocoupleInput,
EL1904 | Beckhoff | Digital Input Module Ethercat Terminal,
6ES7 132-4HB01-0AB0 | Siemens | S7 Digital Output Card,
AC10/6040A | Megatron | Potentiometer,
1218626 | Sick | (WTB16P-24161120A00) Photoelectric ProximitySensor,
C98040-A7126-C1-4 | Siemens | PCB Card,
R412010139 | Bosch | ST4-2P Series, Sensor, PNP, 12-30V DC, 4mmC-Slot, Sealed
A20B-2902-0400 | Fanuc | Control Board, Type A Servo InterfaceModule,
140592 | Allen Bradley | Terminal Connector, , Ser A
CBX510 | Datalogic | Connection Box, 10-30VDC, 0.5A Max,
6ES7 952-1KL00-0AA0 | Siemens | SIMATIC S7, Memory Card, LongDesign, 2MB,
RKLR 713/4 L8 | Leuze | Laser Sensor, Range: 200mm,
TSX P1720FC |ue | Software Module, PL7-2,Cartridge,
1791-32A0 | Allen Bradley | Block I/O, 32 Input Card, A/C, , SerB
FUB-P4R2 | Okuma | PC Board Alternate Part Number:E4809-045-175,
5CFCRD.0256-03 | B&R Automation | SiliconDrive, Memory Card,265MB Data,
6EP1 334-3BA10 | Siemens | SITOP | Power Supply, 10A,
6ES7 953-8LL20-0AA0 | Siemens | Memory Card, Simatic S7,
3RT1036-1AP04 | Siemens | Contactor, 50A, 3 Pole, 690 VAC,
P0903QF | Foxboro (Invensys) | I/A Series | Fiber Optic Modem(End Bus),
SYS3000-9HE | SCA | APC 3000 Terminal Processor HMI Unit,
JFI-B1 | ABB | EMC Filter, 3 Phase, 380-500VAC, 48-63 Hz, 10-18Amp, IP20,
2866750 | Phoenix Contact | Power Supply, 120W, 24VDC, 5A, DINRail,
1SDA038292R1 | ABB | Shunt Trip Opening Release 220/240VAC/DC50-60Hz, Opened
1771-ODD | Allen Bradley | PLC-5, Digital Output Card 120VAC, ,Ser A
172962 | Festo | (HEE-D-MAXI-24), Shut Off Valve, Coil 24VDC,,Opened, 2020:43
0-51851 | ABB | PC board , Speed Control Regulator, CRCA,
3TF4422-0AR0 | Siemens | Contactor, 3 Pole, 55A, 415-500V,50-60Hz,
TR4-SFM10PB | Sick | (6070816), Safety Switch, Non-ContactTransponder ,
IC600BF948 | GE Fanuc | I/O Communication Control Module, , SerP
A1ADP-SP | Mitsubishi | SFM Adapter , For A Series Backplane,Opened
9007C54B2M11 | Square D | Limit Switch 600V 10A C + Options,Opened, Ser A
500-5061 | Texas Instruments | High Current Relay Output Module2 Channel,
1HZ-50-TPB-S.V0 | Kawasaki | BackPlane Board, 14 Slot,1HZ-50,
474919 | Pilz | (PZE/5-230VAC-4S10) Safety Relay 5-8A230VAC,
RM-PS-024-01 | SIXNET | Power Supply , 1A, 24VDC, Opened
2891929 (FL SWITCH SFN 8TX) | Phoenix Contact | Ethernet Switch,24VDC, Sealed
Wika 55616577 Pressure Transmitter SA-11 0-60psi 4-60mA,Opened
6ES5 453-8MA11 | Siemens | Simatic S5 453-8, Digital Output,Opened
S30861- | Siemens,
AY81 | Mitsubishi | Melsec, Digital Output Module, 32 Point,12/24VDC,
NTCS04 | ABB | Infi 90, Termination Control Unit Module,Sealed
YRY20BH | Hitachi | Relay Output Module, 32 Points, 5A,
BNS 33S-12ZG-2553 | Schmersal | Magnetic Safety Switch,10mA,
3BSE013210R1 | ABB | (DI830) Digital Input Module 24VDC,
1771-VHSC | Allen Bradley | PLC-5, Counter Module, 24VDC, 4mA, ,Ser B
1771-OW16 | Allen Bradley | PLC-5, Output Module, 16 Channel, ,Ser A
1771-CFM | Allen Bradley | PLC-5 | Flowmeter Module, 4 Input, ,Ser C
301131 | Pilz | (PSS SB BRIDGE) Safety BUS Module 24VDC 90mA2.2W,
100S-C09EJ23C | Allen Bradley | Safety Contactor, 24VDC, 9A, ,Ser A
K14P-DR | GOLDSTAR | Programable Controller Card,
NAOM01 | Bailey | NET 90 Analog Output Module,
LV429121 | Schneider | Trip Unit, 50A, 3 Pole, Opened
6ES7 322-1HF20-0AA0 | Siemens | Simatic S7, Output Module,
100S-C23D14BC | Allen Bradley | Safety Contactor, 3 Pole, , SerC
S8VM-05024CD | Omron | Power Supply Input: 100-240VAC 0.8A50/60Hz,
700-322-1BL00 | Helmholz | S7-DEA300 Digital Output Module 32Point,
100S-C12T14BC | Allen Bradley | Safety Contactor, 12A, 240V,50Hz, , Ser A
D4NL-2DFA-BS | Omron | Limit Switch, Safety Door,Non-Illuminated, Opened
IC694MDL658 | GE Fanuc | RX3i PacSystem, Input Module, 48VDC,Sealed, Ser A
PSR12-600-11 | ABB | PSR, Soft Starter, 208-600VAC, 12A,
FXT/POT/5K | Mann Industries | 4-Wire Potentiometer,
700-321-1BL00 | Helmholz | S7-DEA300 Digital Input Module 32Point,
6ES5 460-4UA13 | Siemens | Simatic S5 460, Analog InputModule,
A1S52B | Mitsubishi | Rack Module Extension, 2 Slot, 5 VDC,
MAF330-11Y | Schmersal | (101160633), Limit Switch, Opened
IC694MDL660 | GE Fanuc | RX3i, Digital Input, 24VDC, 32Pt, ,BC
0024103 | Dold | Latching Relay, 3NO+3NC, 24VDC, 8A,
1784-PCM6 | Allen Bradley | Communication Cable, 230KBps, , SerA
9007C52DM11 | Square D | Limit Switch 600V 10A, Opened, SerA
6ES5470-4UC13 | Siemens | Simatic S5 470-4, Analog OutputModule,
6ES5465-4UA13 | Siemens | Simatic S5 465-4, Analog Input,
6ES5304-3UA11 | Siemens | Simatic S5, Interface Module, RemoteIM304,
526.575.071 | Ferag | Microsynchro Board Assembly,
MR-J2M-CN1TBL1M | Mitsubishi | Servo Cable, TB50-J2M/J3A, 1mLength, Opened
NE-2002-105-006 | Fanuc | PLC Interface Board, PCBD,IE-E3503,
IPS.DO-1C | Man Roland | (16.86926-0068), I/O Module Digital,24VDC,
3RV2011-4AA10 | Siemens | SIRIUS 3RV2, Circuit Breaker,460V,
1492-ACABLE010UB | Allen Bradley | Cable for 1756-IF16, 1M, ,Ser A
| Modicon | Input Module, 32 Point, 115VAC,Discrete,
3RV2011-1CA10 | Siemens | Circuit Breaker, 1.8-2.5A, 690VAC,
2CDS253001R0105 | ABB | (S203-B10), Circuit Breaker, 3 Pole,10A, 6kA,
CJ1W-PD025 | Omron | CJ Series, Power Supply, Input: 24VDC,0.8A, 25W,
3RV1011-1GA15 | Siemens | Circuit Breaker, 4.5-6.3A, 690VAC, 3Pole,
3VU1300-1NL00 | Siemens | Starter Motor Protector, 13A, 3 Pole,600VAC,
6ES5 700-8FA11 | Siemens | Simatics S5 Bus Module with TerminalBlock, Opened
6GK7 343-2AH00-0XA0 | Siemens | Simatic NET CP CommunicationProcessor,
ATC 328 | ATC | Time Delay Relay 7A 125/250VAC 30VDC Range 1Hour,
EX10*MAI22 | Toshiba | Input Module Analog, 4 Point, 4-20mA,
PT2000-20KG | PT Global | IP66, 20kg Capacity, Aluminium,
6ES7 214-1AD23-0XB0 | Siemens | Simatic S7-200, ControllerModule, 24VDC ,
JANCD-MIF01 | Yaskawa | Motoman Robotics PCB, ADD-ON, WithMemory Back Up,
1113561001 | Weidmuller | RSM 8RS 24VDC LP GEM, Relay Base ,
MS132-2.5 | ABB | Motor Starter, 2.5A , Opened
MFH-5-1/4-B | Festo | Solenoid Valve, (15901), MFH Series,
1756-L61S | Allen Bradley | GuardLogix | Logix5561 Processor, ,Ser B
6GK1415-2AA01 | Siemens | Interface Link Module, Y-LinkConnection,
KT4-C2A-A40 | Sprecher + Schuh | , 0.25-0.4A, 3 Poles, IP2X,Opened, Ser A
IC693MDL753 | GE Fanuc | Output Module, 32 Point, Logic,Positive, 0.5A,
3NE4122 | Siemens | SITOR Fuse Link, With Blade Contacts,AR,
LBH100AE-ST | Black Box | Media Converter Switch,
6ES7153-2BA00-0XB0 | Siemens | Interface Module, PROFIBUSDP,
PSC-0002 | Klaxon Signals Limited | Red Sounder Beacon,
FX2N-4AD | Mitsubishi | Function Block, Analog, 4 InputChannels,
SW14CXC935 | WESTCODE | Diode 1800amp 1400v 38mm,
IC694MDL655 | GE Fanuc | PACSystem RX3i, Input Module, 24VDC, ,Ser B
A1SJ71UC24-R4 | Mitsubishi | Communication Module RS-422/RS-485Unit, Opened
IC694MDL655 | GE Fanuc | PACSystem RX3i, Input Module, 24VDC, ,Ser A
IC694MDL658 | GE Fanuc | RX3i PacSystem, Input Module, 48VDC, ,Ser A
1734-AENTR | Allen Bradley | EtherNet/IP, Media I/O Adapter, ,Ser A
6020983 | Sick | Photoelectric Sensor, 10-30VDC, IP67,Opened
A03B-0819-C156 | Fanuc | (AOD32D1) Digital I/O Module 32Point,
750-842 | WAGO | Fieldbus Controller, 24VDC, TCP/IP,
BDF 03.24G250/K253 | Baumer | Encoder, Rotary,
2TLA020052R1000 | ABB | Safety Relay Controller, 24VDC, 2NO,
1P6SE7090-0XX84-2FF0 | Siemens | Keypad for Drive,
540-660B | Siemens | Room Temp Sensor 13-35°C (55-95°F) White,Opened
5SU1 354-1KK13 | Siemens | RCBO 13A 10KA, Opened
6ES7 138-4CA01-1AA0 | Siemens | Simatic ET 200S Power Cards,Opened
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