福建中立恒自动化设备有限公司

1．输入/输出单元

输入/输出单元通常也称I/O单元或I/O模块，是PLC与工业生产现场之间的连接部件。

PLC通过输入接口可以检测被控对象的各种数据，以这些数据作为PLC对被控制对象进行控制的依据；同时PLC又通过输出接口将处理结果送给被控制对象，以实现控制目的。

由于外部输入设备和输出设备所需的信号电平是多种多样的，而PLC内部CPU的处理的信息只能是标准电平，所以I/O接口要实现这种转换。

I/O接口一般都具有光电隔离和滤波功能，以提高PLC的抗干扰能力。另外，I/O接口上通常还有状态指示，工作状况直观，便于维护。

PLC提供了多种操作电平和驱动能力的I/O接口，有各种各样功能的I/O接口供用户选用。I/O接口的主要类型有：数字量（开关量）输入、数字量（开关量）输出、模拟量输入、模拟量输出等。

常用的开关量输入接口按其使用的电源不同有三种类型：直流输入接口、交流输入接口和交/直流输入接口。

常用的开关量输出接口按输出开关器件不同有三种类型：是继电器输出、晶体管输出和双向晶闸管输出。

继电器输出接口可驱动交流或直流负载，但其响应时间长，动作频率低；而晶体管输出和双向晶闸管输出接口的响应速度快，动作频率高，但前者只能用于驱动直流负载，后者只能用于交流负载。

PLC的I/O接口所能接受的输入信号个数和输出信号个数称为PLC输入/输出（I/O）点数。I/O点数是选择PLC的重要依据之一。当系统的I/O点数不够时，可通过PLC的I/O扩展接口对系统进行扩展。

2．通信接口

PLC配有各种通信接口，这些通信接口一般都带有通信处理器。

PLC通过这些通信接口可与监视器、打印机、其它PLC、计算机等设备实现通信。

PLC与打印机连接，可将过程信息、系统参数等输出打印；与监视器连接，可将控制过程图像显示出来；与其它PLC连接，可组成多机系统或连成网络，实现更大规模控制。

与计算机连接，可组成多级分布式控制系统，实现控制与管理相结合。远程I/O系统也必须配备相应的通信接口模块。

3．智能接口模块

智能接口模块是一独立的计算机系统，它有自己的CPU、系统程序、存储器以及与PLC系统总线相连的接口。

它作为PLC系统的一个模块，通过总线与PLC相连，进行数据交换，并在PLC的协调管理下独立地进行工作。

PLC的智能接口模块种类很多，如：高速计数模块、闭环控制模块、运动控制模块、中断控制模块等。

CR50-1200/M12 | Leuze |, Light Curtain Receiver,

CT50-1200/M12 | Leuze | Light Curtain Transmitter,

WT18-3P110 | Sick |, Photoelectric Sensor, 55mA, 10-30VDC, PNP,

3HAB 2211-1/1 | ABB |, Robotic Control System Board,

A03B-0819-C052 | Fanuc | ADA02A | Analog Output Module 2 Point 12 Bit,

JZNC-MRK04-1E | Yaskawa | PLC Rack Assembly 8 Slot LED Indicators,

3RT1 045-1BB40 | Siemens | Contactor 80A 3 Pole 220-400VAC,

IC660CBB903 | GE Fanuc | I/O Bus Controller, Series Six , Genius, ,

EX10*MRO61 | Toshiba | Relay Output Module, 24VDC, 240VAC,

1747-L542 | Allen Bradley | SLC 500, SLC5/04, CPU Controller, ,

1769-IQ6XOW4 | Allen Bradley | Compact I/O Digital Combo, ,

1786-RPCD | Allen Bradley | ControlNet, Dual Repeater Module, ,

6ED1 052-1MD00-0BA7 | Siemens | Digital Logic Module, 12/24VDC, Input 8,

IC693ACC302 | GE Fanuc | Auxilary Battery Module 15A/HH 3VDC, ,

IC693MDL940 | GE Fanuc | Relay Output Module, 16 Point, ,

S628-20000 | Veeder Root | Process Indicator, 90-264VAC, Panel Meter,

567.834V007 | Ferag | Circuit Board, PCB BitBus Adapter Card,

PAXI0000 | Red Lion | Panel Meter, 85-250VAC, 50/60Hz, 12VA,

1746-NIO4I | Allen Bradley | SLC 500, Analog Combination Module, ,

ET-GT-5ES-2SC | SIXNET | Ethernet Switch Industral, Real Time,

T, I/O Input Module, 120VAC, ,

2801-YF | Allen Bradley, ,

26190067 | Joucomatic | Valve 3/2 NC, Sub Mot Body Assembly,

1203-GK5 | Allen Bradley | DeviceNet Comms Module for AC Drive, ,

DFS60A-BDPA65536 | Sick | DFS60 Series, Incremental Encoder,

VGG10.404P | Siemens | Gas Valve 1.5 Inch 600Mbar 32.3M3/H,

CSU 5.8 | Kniel |, Power Supply, 220VAC, 45/66Hz,

IT251 | MKS | Level Converter, 18-30VDC, 300KHZ, 20mA, Impulse Divider,

6EP1331-2BA10 | Siemens | SITOP Power Power Supply 0.5A 1 Phase,

AES-1135-24VDC | Schmersal | Safety Controller, 24VDC, 5W, 2N.C.,

GK 14/24 L | Leuze | 50026371, Capactive Fork Sensor, 10-30VDC, 200mA,

70001777 | Digi | Industrial Serial Server, RS-232/422/485,

EMF2113IB | Lenze | Interbus Fieldbus Module,

NCN15-M1K-E5 | PepperlFuchs | 030751 Proximity Switch,

16137-178A | Siemens | Cable Kit, Side 15M, Quadlog, APACS,

6ES7 138-4CF01-0AB0 | Siemens | Simatic DP Power Card 24VDC,

WS-75-SE.6000 | Leuze | , 50000660,

10.F4.S3D-1220/1.2 | KEB | Drive, 1 Phase, 200VAC, 50/60Hz,

HM-1734-WM | HELM | Input Module, Strain Gage,

Q50BIQ | Banner | Infrared Sensor, Q50 Series, LED Based, ION Measurement,

1734-4IOL | Allen Bradley | Combination Module, 24VDC, 4 Channel, ,

FVR3.7E11S-4JE | Fuji | FVR-E11S JE Inverter 3P, 380-480V, ,

DBR8-Z | Okuma | Dynamic Brake Resistor it Axis Z,

EX40*1ECRA6 | Toshiba | Programmable Controller, Expansion it, 24VDC,

EX20*1ECDA5 | Toshiba | Programmable Controller, Expansion it,

Panasonic ERZU22JP162H Surge Absorber,

SL20.301 | PULS | Power Supply, 3 Phase, 480W, Output: 24VDC 20A,

NZMH4-40 | Moeller | Circuit Breaker, 40A, 4 Pole, 500VAC, 50/60Hz,

25B-D2P3N114 | Allen Bradley | PowerFlex 525, AC Drive, 1HP, ,

6SY7010-0AA54 | WESTCODE | Thyristor Module,

2208E/CCVH/LH/RC/RF/RF//ENG/J/0/400/C | Eurotherm | Temperature,

0811405129 | Bosch | Digital Positioning Controller, for Transducers,

1606-XLSDNET8 | Allen Bradley | Devicenet, Power Supply, ,

1791D-16B0 | Allen Bradley | CompactBlock I/O, DeviceNet,

527.288.012 | Ferag | PC Board,

6AV3 505-1FB12 | Siemens | SIMATIC Operator Panel Monochrome,

1771-IXE | Allen Bradley | Thermocouple/Millivolt Input Card, ,

EH-BS5 | Hitachi | Base Rack 3I/O Slots,

AS-W801-002 | Schneider | Cable Assembly, Remote I/O Signal, 1.5 Foot,

16.86132-0009 | Man Roland | ADAS Board,

16.86132-0016 | Man Roland | Circuit Board,

16.86513-0011 | Man Roland | Circuit Board,

Yokogawa MAC2*C Multipoint Analog Control Card,

AS-H827-100 | Modicon | Rack Base, 11 Slot, Secondary, 27 Inch,

DIS371 | Vega | Level Switch Digital Indicating LCD 4-20mA 20-250VAC/DC,

BK-MIKRO-LIN | Leukhardt | Time Delay Relay , 24VDC , 120VAC , 50/60Hz,

IC697CMM742 | GE Fanuc | Ethernet Interface Series 90-70, , LL

3VL2716-1AA33-0AA0 | Siemens | Switch, Circuit Breaker, VL160N,

NE-2002-105-001 | Fanuc | PLC Chassis, Back Plane, 9 Slot,

INBTM01 | Bailey | Bus Transfer Module NET 90,

SKA1200037 | Control Techniques | Drive Commander SK 0.50HP,

110CPU31101 | Modicon | CPU I/O Module AC Power Supply 115V,

07.91481-9030 | Kniel |, Power Supply, 220VAC,

07.91481-9034 | Kniel |, Power Supply Module, 220VAC, 45-66Hz,

CDU 12.1 | Kniel | Power Supply, 220VAC, 45-66Hz,

100S-C85T14BC | Allen Bradley | Safety Contactor Non-Reversing, ,

6ES7 441-2AA03-0AE0 | Siemens | S7-400 Comms Processor,

161S-DA04NPU | Allen Bradley | AC Drive, 1 HP, 0.75 KW, 4 AMP, ,

6GF6232-6MB | Siemens | Operator Panel, EAE Casing,

F-M1C-500 | jokab safety | Focus Light Curtain, 0.6M Range,

BR64-XXCA1KHBMXX | Vega | Pressure Transmitter, 4-20mA, 0.05 Bar, HART,

J6-S136B | ited Electric,

836T-T301JX7 | Allen Bradley | Switch Pressure, 70-1000 PSI, ,

3UA62 00-2H | Siemens | Motor Overload Relay 55-80 A,

LC1 D80BD | Schneider | Contactor, 3 Pole, 3 Phase, 80A, 440VAC,

E82EV371-2C | Lenze | Frequency Inverter, 1 Phase, 0.37kW/0.5HP, 5AMP,

16.86132-0009 | Man Roland | ADAS Board,

301120 | Pilz | SafetyBUS |, I/O Module, ,

527.319.012 | Ferag | PC Board Assembly EX315.2 ,

6ES5 930-7AA11 | Siemens | Simatic S5, Power Supply Module,

190S-BNDJ2-CB63C | Allen Bradley | Starter 4 - 6.3A, ,

81943A040-02-FGC | ABB | PGC5009, Enhanced FID Assembly,

16.86123-6004 | Man Roland | Circuit Board,

ACPU90-S8UM | i-Pro | Control Board, 23.050050-0004,

APU90-SUM | i-Pro | Control Board, 23.050049-00009,

30.92562-0398 | Meierhofer | Operator Panel, Push Button, LED Indicators,

A16B-2200-0855 | Fanuc | PC Board, Axis Board, PCB - Axis Control 6 Axis,

22F-D4P2N113 | Allen Bradley | Powerflex 4M, AC Drive, ,

IC693CPU311 | GE Fanuc | Baseplate, 5 Slot, With CPU Slot, , Ser U

22A-D4P0N104 | Allen Bradley | PowerFlex 4 AC Drive, 480VAC, ,

F3YD64-1F | Yokogawa | Transistor Output Module, Sink Type, 24VDC, 0.1A,

3BSE037760R1 | ABB | Modulebus Cluster Modem,

1756-BATM | Allen Bradley | ControlLogix Battery Mot, ,

TI315-DR | Siemens | I/O Relay Module 1150VAC 24VDC,

6ES7 313-1AD00-0AB0 | Siemens | Simatic S7-300, CPU Module,

BL5922 | Dold | Safety Relay, 2 Channel, 24VDC, 8E Stop Button,

1747-L40B | Allen Bradley | SLC 500, Fixed Style Controller, ,

6SN1118-0AA11-0AA0 | Siemens | Simodrive Analog Control,

22677777 | Ingersoll Rand | Vibration Transmitter, 2 Wire,

6FC5 247-0AA30-0AA0 | Siemens | Sinumerik 840D/DE , Fan , for NCU-,

 LISTINGS8VK-T48024 | Omron | Power Supply, 3 Phase, 24VDC, 480W, 20A,

LV430832 | Schneider | Circuit Breaker, 3 Poles, 50/60Hz, 50KA at 415VAC,

 5-5 Outputs,

SL30.300 | PULS | Power Supply, Input: 400-500VAC, 3 Phase, 50/60Hz,

10471 0AA | Mikrap | Operator Interface TouchScreen PCP-57 100mA 24VDC,

TSXDMZ64DTK | Schneider | I/O Module 32 Inputs 0.1A 24VDC,

JANCD-MRY01-1 | Yaskawa | Motoman Robotics PCB,

HG-660-C21 | Stegmann | Encoder, 500 Puls/Rev, 10-30VDC,

P152.R5 | Emerson | FloBoss, S600, CPU Board,

AC-ML-1SB | Leuze | Muting Sensors,

AC-ML-1SA | Leuze | Muting Sensor,

CS1G-CPU42H | Omron | CPU Module, 10K Program, 64K Data,

SCYM1-ID022 | Omron | Sysmac, Digital Input Module, 8 Point, 24V DC,

E4809-770-102 | Okuma | PC Board OPUS7000 ACP Board CNC,

6FX1192-4AB00 | Siemens | Sinumerik 3 Input Module,

1756-OA8 | Allen Bradley | ControlLogix | Digital AC Output, ,

K003793.02 B6 | CARL SCHEN | Circuit Board,

3VL9 300-3HF05 | Siemens | Door Coupling Operator Grey,

MAC2*B | Yokogawa | Multipoint Analog Control Module,

QJ71LP21-25 | Mitsubishi | I/O Module, 32 Points, Master/Local,

PF2J-CPU1DCEU | IDEC | Central Processing it 24VDC 25W,