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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。

Maxon Motor 249631 Motor Control Boards 249633 / 249636

IAI CB-RCP2-MA100 Motor Controller Cable

Oriental Motor CC01AIP Extension Cable 1M

Martin Eng. Motor Overcurrent Protection Unit, Hoffman , AB 100-C1210

Robotic Systems Integration RSI RSI-KCVP1S-09.0 Motor Power Cable 9m

Esterline Angus Electric AC Motor 115VAC 1PH 60hz 13535 Winding

Pittman GM9234C262-R2 Motor 38.2V 11.5:1 w/ Universal Instruments Gear, 46445102

Flex-Cable FC-CPWM7DF-16AF-M005 Flexible Motor Control Cable

Oriental Motor ASD18B-K AlphaStep Closed Loop Driver 24 VDC

Oriental Motor Vexta PK266-03B-C56 2-Phase Stepping Motor 1.8 Degree 2.3VDC 3A

SMC B1H1P-M-X377 AC Servo Motor Controller 100-115VAC 50/60Hz/ 50W 50°C Max

Oriental Motor CC100VAFT2 Motor Extension Cable 10m AR Series

Oriental Motor Speed MSM315-002W Control Motor

Brown Boveri DZT 21 BA Magnetic SA Liestal 33V 747714, Servo Motor

Zebra Technologies 43209-099 Rev B Motor Control Board

Dual Shaft Electric Gear Motor with 10-6 Bendix Connectors

Yaskawa SGMM-A2C313 Servo Motor 4mm Shaft

FEC DFT-801W3-S M3 Permanent Magnet Motor & Reducer

Flex-Cable FC-CSWM1DF-18AF-M006 Motor Cable

BARBER-COLMAN YAF46 ELECTRIC MOTOR 20027400

SKP334-2 Motor Power Board Assembly

Gast Lubricated Air Motor w/ 3/8" Shaft

Moons LE176S-E06127-120-AR1-0-200 Leads Screw Motor 240N 300rpm Lead Screw 75mm

Oriental Motor BLEM512-GFS Brushless Motor 240V 120W 333Hz w/ GFS5G50 Gear Head

Empire ESW-15669-E40 Motor Control Cable 32'

Budelmann Electronik KLT-Motor-treiber 1.8 Control Board

Budelmann Electronik KLT-Motor-treiber 1.9 Control Board

Oriental Motor CC010VAFT2 Extension Motor Cable RP0C409403

Robotic Systems Integration RSI S3FA36 09.0 Motor Feedback Cable 9m

Lapp Systems USA 73507010 Flexing Motor Power w/ Brake Cable

Leviton N1303 Manual Motor Starter Disconnect Switch, 30A, 3-Phase, 600V

Kollmorgen CFCNA2-002-03M00-00 Motor Cable 3m Length

Faulhaber 3893H024C Servo Motor 4.3G

Kollmorgen VP-507BEAN-03 Motor Power Cable 6A 3m

Oriental Motor CC02AXU Extension Cable 2 Meter

B&20SM14220 System Module Rev E0 Stepper Motor Module

Leviton N1303 Manual Motor Starter Disconnect Switch, 30A, 3PH, 600V

Oriental Motor PK543NBWA 5-Phase Stepper Motor Double Shaft

Marathon E356700 Motor Supply Cable 14' 600V 18AWG w/ Amphenol MB1CKN0800 Plug

ITOH DENKI CB-016P2 Conveyor Motor Speed Controller

Itoh Denki CB-016P2 Motorized Conveyor Roller Speed Controller

Oriental Motor ARM69AK Stepping Motor 2.78VDC 2.55A Damaged

Oriental Motor CC02BLH Extension Cable 1.5m

Oriental Motor 4GN5S Gear Head

Mitsubishi HC-AQ0235D Melservo AC Servo Motor

Mitsubishi AC Servo Motor Model: HC-MF053-UE, 3000 rpm, 50W, 60V, 3AC

Dayton 3M561A Open Air Over Motor 1550RPM 1/70HP .75A 115V 1/4" Shaft

Oriental Motor MSM315-012W Speed Control Motor

Lot of 4 Aves 500 Servo Motor Springs

Binder 8621-07BQX Motor Brake

Areva 1210052-470 3-Way Nuclear Solenoid Valve, 250VDC

Danfoss 148X0226 ICS 40 Solenoid 1-1/2" SW Connections

Parker Hannifin CWJ13701 Solenoid Valve 115V 13W 3/8" NPT CWJ1-37

Leybold AG Bürkert 42 270 740 Solenoid Wege-Magnet Vent Valve 211-A-02.0-F-VA

Asco EF8300D061U Red Hat Solenoid Valve 3-Way 120psi 120V 28W 1/4" NPT

Bosch Rexroth 4WE 6 E67-62/EG24N9K4/T06 Hydraulic Solenoid Valve

SMC VP544R-5DZ1-03-S1A-X555 Solenoid Valve Assembly 3-Port

Rexroth 5-4 WE 10 U11/AG24NZ4 Hydraulic Solenoid Valve

Mac Valves 612B-11-611BA Solenoid Valve 24VDC 8.5W

Fanuc A97L-0218-0113 #525, LR Mate 2 Position Solenoid Valve

SMC VV5 Plug-In Manifold w/ Solenoids

Bosch 0 810 909 107 Hydraulic Solenoid Valve 315 Bar

Mannesmann Rexroth 4WE 10 EB30/CG24N9Z4 Hydraulic Solenoid Valve

Festo 533346 533347 533352 533373 537988 540896 Pneumatic Solenoid Assembly

SMC VV5 Manifold Base w/ Terminal Box and Solenoids

MAC Valve 35A-BAE-DDAJ-1KA Solenoid Valve Assembly

MAC Valves 6511B-311-PM-601DA Solenoid Sub-Base Manifold

Asco Red Hat II JSP8210G087 150 / 150 / 125 PSI 1/2" 171W Solenoid Valve

Asco Red Hat NP8316A54V 3-Way 125VDC Solenoid Valve

Festo CJM-5/2-1/2-FH Solenoid Valve 8-116 psi 8 bar 6228

VAT 24328-KA41-0001/0463 Vacuum Angle Valve w/ Lucifer 131M15 Solenoid Valve

Bosch Rexroth 9810232147 Hydraulic Solenoid Valve

SMC Pilot Operated Solenoid Valve 2-Way 1MPa

Dragon Valves 85053V Remote Control Valve w/ ASCO EF8320G184 Solenoid Valve

Parker B562BB549C Double Solenoid Valve 3-Port 3/8" P2E-KV32C Soleniods

Plast-O-Matic EASYMT4V12W24-PV Solenoid Valve 1/2" Pipe Size 140Psi 0.375"

Parker 72228RN4UV00N0C322C2 2-Way 1/2" NPT General Purpose Solenoid Valve 24VDC

Festo VMPA2-M1H-E-G1/8-PI Air Solenoid Valve 5/3 Exhausted G1/8 537967

ASCO 1-1/4" SOLENOID VALVE 240/60 220/50 VAC 15.4 WATT MODEL 8215C63

1  ASCO 1-1/4" SOLENOID VALVE 240/60 220/50 VAC 15.4 WATT MODEL 8215C63

MAC Valves 6511B-311-PM-611DA Solenoid Valve Assembly 8.5W 24VDC

Mac Valves 611B-11-601BA 4-Way Solenoid Valve

MAC Valves MM-A2B-231 Manifold w/ MV-A2B-A141-PM-6111JC9 Solenoid Valve

Mac Valves MV-A1C-A352-PM-501JC Solenoid Valve 24VDC

SMC Pilot Operated Solenoid Valve 2-Way 1MPa

MAC Valve 82A-CC-CAA-TM-DAAP-1DA-9 Solenoid Valve Assembly TM-DAAJ-1DA

ASCO HC8316G054V Red-Hat II Solenoid Valve NSNB 250/DC

MAC Valves 461A-BOA-DM-DDAJ-1KJ Double Solenoid 3-Pos Pilot Valve 24VDC 1/4"NPTF

MAC Valves MV-P2A-AADB-DM-DFFP-1DR9 Solenoid Valve VAC to 150psi

Asco JHB8300A081F 240/60 Solenoid Valve 1/4 Inc 1/4 Inch Orifice M193 240 VAC

Festo 197334 MH1 Plug-In Manifold Base 18-Ports w/ W4 Solenoids

ASCO JSP8210G088 Red Hat II Solenoid Valve 17.1W 150/ 150/ 125 PSI 3/4"

SMC Pilot Operated Solenoid Valve 2-Way Media

SMC VV5 Manifold Base w/ VQC1000 Series Solenoids

Numatics 051BB5Z2MN00061 051BBDZ2MN00061 Solenoid Valve Assembly 051BA4Z2

MAC Valves 6511B-311-PM-601DA Solenoid Valve Assembly PME-611BAAA

Asco Red Hat 8300D16F 120/60AC 3 Way Brass 1/4" Inch Solenoid Valve NC

SMC VV5 Manifold Valve w/ Solenoids 0.7MPa 24VDC

MAC Valves 611B-11-111BA Solenoid Valve 120/60Hz 110V/50Hz

GC Valves NS201YF16F7CG4 Water Solenoid Valve 2 Port / Way, 3/8” NPT 24V

Bosch 0 810 909 322 Hydraulic Solenoid Valve 315 Bar

SMC Solenoid Valve AC 110V 7VA

SMC Pilot Operated Solenoid Valve 2-Port

SMC VV5 Manifold Valve w/ VQC Solenoid Valves 24VDC

MAC Valves 611B-11-614BA Solenoid Valve 150PSI 8.5W 24VDC

Bosch Rexroth 1837001140 Hydraulic Solenoid Valve 24V 1.74A

Festo VMPA2-M1BH-G-PI Air Solenoid Valve w/ Base 8022037

MAC Valves MV-P2A-AADB-DM-DFFP-1DR Solenoid

Festo MH1 Valve Manifold 6 Banks 197334 w/ 197008 Solenoid 5 QTY

Numatics AKJ6C0000HLMUF Manifold with 020BB400MP00061 Double Solenoid Valves

SMC Pneumatic Valve Assembly w/ 5) V & 7) V Solenoids

SMC SS5V1-W10CD-10U-N3 Manifold w/ 10) SV1100-5FU Solenoids

SMC NVV5FS3-10-051-03T Manifold W/ 3x NVFS3110-5DZ Solenoid Valves

Mac Valves PME-611JC 24 VDC Solenoid Valves 2X w/ MM-A2B-231 Manifolds 2X

MAC Valves 611B-11-601BA 4-Way Solenoid Valve 12VDC 8.5W

SMC VV5 Manifold Base w/ Solenoids 1000 Series

Mac Valves 612B-11-611BA Solenoid Valve

Asco Red Hat 314184 Solenoid Valve Repair Kit

MAC Valves PR36D-1CBA 4-Way Solenoid Piloted Spool Valve

Mac Valves PR63D-1CBA Solenoid Valve

Mac Valves 35A-B00-DAAJ-1KD-9 Solenoid Valve with Two PR92C-M0AB Regulator

Asco NP8320A189V 240V Red-Hat 3-Way Solenoid Automatic Switch 1/4" 10.5W

Granzow E3D29-00V Solenoid Valve 2-Way 3/8" 2-150PSI 24VDC

MAC Valves 44B-AAA-GDCC-1KT Solenoid Operated 4-Way Poppet Valve 24V 10-32 Ports

Bosch Rexroth 0820019014 Pneumatic Solenoid Directional Valve 24V

SMC NAV4000-N04-3DZC Solenoid Valve

SMC SV1A00-5W2U-01T Solenoid Valve

Parker Hannifin GG-200-25-M2A-FU 4-Way 2-Position Solenoid Valve 1/4" NPT 4-Port

Festo VMPA1-M1H-E-PI Solenoid Valve 533346

ASCO JKF8345G001 RedHat Solenoid Valve 240/60 220/50 RPLS 8345E PRFX FT,GS,R,T

MAC Valves 82A-AC-BAA-TM-DDAP-1DA-9 Pneumatic Solenoid Valve Manifold 4-Port