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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。

SMC VQC2200NR-51 Pneumatic Solenoid Valve 5-Port 24VDC

Mac Valves 611B-11-611BA Regulated Pressure Valve

SMC VQC4400-51 Plug-In Solenoid Valve

Festo MDH-5/3E-D-1 C Air Solenoid Valve w/ MDH-3/2-24V DC Solenoids

SMC VQC1200N-5 Solenoid Valve

SMC SV1100-5W2U-01N 5-Port 2-Position Single Solenoid Valve 1/8" NPT

SMC VV5QC11-04C4FD0 Manifold Base w/ Solenoids 2) VQ1400N 1)VQC1400N 1000 Series

ASCO 8211B93 2-Way Solenoid Valve 120V 11W 1/2" Orifice 3/8" NPT

Numatics 152SS700K Solenoid Valve

Parker Hannifin GG-202-250-M2 4-Way 2-Position Solenoid Valve 1/4" NPT 4-Port

SMC VQC4400R-51 3-Position 5-Port Solenoid Valve w/ VQ4000-PW-03T-DAM00278 Base

Festo CPE18-M1H-3GLS-1/4 Solenoid Valve w/ MSEB-3-24V DC

MAC Valves 45A-L00-DDAJ-1JM 4-Way 2-Position Solenoid Valve 24VDC 5.4W

SMC VV5QC11-03MMFD0 D-sub Pneumatic Manifold w/ 3 Solenoid Valves

Festo VMPA2-M1H-KS-PI Air Solenoid Valve 568656

SMC NVZ3440-5LOZ Double Solenoid Valve Base-Mount 24VDC 0.15~0.7MPa Supply Press

ABB 3HNE 01300-1 Cable for Solenoid Valve 15m Length

Numatics 082SA415M000061 Manifold Assembly w/ Solenoid Valves

Ross Controls 290 B33 Solenoid Coil 100-120VAC 42-48VDC 15.6VA

SMC VVQ2000-23AR-C6 Solenoid Valve 4-Way Perfect Block

SMC VQC1401-5 Solenoid Valve 3 Position Exhaust Center 0.2-0.7MPa HT

Festo J-5-3,3 Solenoid Valve with Set Screws 2-8 bar 29-116 psi 6066

SMC SV2200-5FU-T-N7 Solenoid Valve 24VDC 0.1~0.7MPa Supply Press

MAC Valves 811C-PM-611BA-152 Solenoid Valve with PME-611BAAA 24VDC Coil

Asco HCL8263G331V 3/8" Pipe 250/DC Coil GF-16F Solenoid Valve Switch

Norgren RMK00RKXLGS0A Regulator Valve with MK01EDA34ALNA Solenoid Valve

Norgren MK01EDA34AMNA Pneumatic Solenoid and RMK00RKXLGS0A Regulator Valve

MAC Valves 611B-11-611BA Solenoid Valve MISLABELED PART #

Decco 9-14B5M Solenoid Valve Coil 115/50-60

MAC Valves 113B-111JJ Solenoid Valve w/ Canfield P5167-1661000 MPC Type 6 20"

MAC Valves 6316D-611-PM-501DA9 Solenoid

SMC VQZ2451-5L Solenoid Valve Legacy Series

Norgren MK01EDA34ALNA Pneumatic Solenoid Valve with RMK00RKXLGS0A Manifold

SMC SV1300-5W7U-01T 3 Position Closed Center Solenoid Valve on Manifold

Asco 8210P093 Solenoid Shut-Off Valve 150psi 2W

Alco 2230B-3/4-B-3/4-P Solenoid Valve Assembly 3/4" NPT 240V 15W

MAC Valves 811C-PM-611BA-152 Solenoid Valve w/ PMC-611BAAA Coil 24VDC 8.5W

Festo MZH-5/2-M3-L-LED Solenoid Valve 2-7 Bar 30194

Numatics 082SS515K000030 Mark 8 Double Solenoid Valve 120VAC 50/60Hz

SMC VFS5310-5DZ 4/5 Port Solenoid Valve 3-Position DC21-26V

MAC 225B-614BA Solenoid Valve 8.5W 24VDC

SMC SY5101-5U1-WO-02N Solenoid Valve 4/5 Port

SMC SYJ5240-5LZ Solenoid Valve

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

SMC SV1400-5W2U-01T Center Inlet Solenoid Valve 5 Port

SMC VQC2301-51 3-Position 5-Port Double Solenoid Valve 0.4W 24VDC

Mac Valves 811B-601B-152 Solenoid Valve with PME-611BAAA 24VDC Coil

MAC Valves 225B-603BA Solenoid Valve 12VDC 9.5W

SMC VVQ2000-23AR-C8 4 Way Solenoid Valve Perfect Block

SMC VQC1200N-5 Solenoid Valve

Alkon Corporation A8065 1/4 24/DC Z23 Double Solenoid Valve, Solenoids, Bleeder

MAC Valves 35A-B00-DFFJ-1KF Direct Solenoid Operated 3-Way Poppet Valve

Ateg 9200311K 39 256-AML Solenoid Valve Manifold Block

SMC SY9140-5WOZ-04T Solenoid Valve w/ Sub Plate

MAC Valves 44B-AAA-GDCB-1KT Solenoid Valve 44 Series

Burkert 211-A-04,0-B-MS Fluid Control Solenoid Valve

SMC VFS5310-5D Double Solenoid Valve 24VDC

MAC Valves 811C-PM-611BA-152 Pneumatic Solenoid Valve w/ PME-611BAAA Coil

ASCO JSF8210G002 Red Hat II Solenoid Valve 1/2" 6.1/8.1 W

SMC VQ5101Y-5B Pneumatic Solenoid Plug In Valve VQ5000 5-Port

MAC Valves PME-601DABE Solenoid Valve 12 VDC 8.5W

Asco 8321A8 Red Hat Solenoid Valve 3-Way 3/8" NPT 110-120V

Asco 8210D9 Red Hat Solenoid Valve 2-Way 3/4" NPT 110-120V

SMC VQC1100N-5 Plug In Pneumatic Solenoid 5 Port Valve 0.1-0.7MPa

Mac Valve Solenoid Valve Manifold Base

MAC Valves 35A-B00-DFFJ-1KF9 Solenoid Valve

MAC Valves 825C-PM-611BA-552 Dual Solenoid Valve with PMC-611BAAA 24V Coil / 110

Mac Valves 825C-PM-611BA-552 Dual Solenoid Valve w 24V Coils

SMC SV3400-5W1U-02N Solenoid Valve with Manifold Base

SMC VFS2110-5DZ-01 Solenoid Valve 24VDC

SMC VFS2410-5DZ Double Solenoid Valve

Festo CJM-5/2-6-FH Solenoid Valve 11556

Westinghouse 1250 HP LAC Induction Electric Motor, 4160V, HSW2, Life-Line D

Weiss Siemens 2SP1202-1HA21-1DD2 ECS Motor Spindle Synchronous 12kW, 42Nm

Siemens 1PH7137-2QD02-0DC0 SIMOTICS M Compact Induction Motor 17kW 1000rpm

Siemens 1PH7167-2ND00-0DA0 Induction Motor, 28 kW, IN2048S/R D25 Encoder

Reliance Industrial Electric Motor, 350 HP, 1776 RPM, 575V 318A 5005S Frame

Janome JSR4404N 4 Axes Pulse Motor Robot

Siemens Simotics 1FT7108-5AF71-1CA1 Synchronous Motor, 6.28kW, 3000 RPM

Sun-Star 110 125352883311 8" 125 HP Submersible Motor 575V 3 Phase Needs Rebuild

Siemens 1PH7137-2QD00-0DC0 17 kW Induction Motor w/ IN22DQ D20 Encoder

Olympus BX61TRF Brightfield Fluorescence Motorized Microscope BX61

Siemens 1FT7105-5SF71-4CA1 SIMOTICS S Synchronous Motor 1FT7, 65Nm, 3000rpm

Siemens 1FK7105-5AF71-1CA1 SIMOTICS S Synchronous motor 1FT7 NN=3000rpm

Siemens 1FK7062-AF71-1RH1-Z Simotics S Synchronous 3000 rpm Motor / SP100S-MF1

Siemens 1FK7105-5AC71-1FH2 SIMOTICS S Synchronous Servo Motor 48Nm 2000rpm

Siemens 1PH4135-4NF26-Z Simodrive Spindle Motor

US Motors Rotor for 4000V 1250 HP Squirrel Cage Induction Motor

mark Systems GM-12-2-090090 12" Motorized Gimbal Mount

Radicon C082114.BANK1 Series C Helical Worm Gear Reducer For NEMA Motor 114:1

Control Techniques 190UMB301CACAA Brushless AC Servo Motor 3000 RPM

GE 5KE254AAB125 Electric Motor 20HP 3550 RPM 575V 3PH Long Shaft 20-1/8"x 1-3/4"

Siemens 1PH7105-2QF02-0LC0 Simotics M Compact Induction Motor, 7kW, 1500RPM

ABB ACS 600 AC Frequency Motor Drive Controller ACS607-0320-4-000B5A00842 350HP

Siemens 1FL6094-1AC61-0LB1 Simotics S-1FL6 3~ Servo Motor 5kW 2000r/min

Fanuc A06B-0826-B190#3000 AC Servo Spindle Motor 5.5kW αP12 134-220V / 200-230V

Siemens 1FT7086-5AF71-1BA1 SIMOTICS S Synchronous Motor 1FT7, 28Nm, 3000rpm

Cutler Hammer AN56KN0B Freedom Series Reversing Motor Starter Auto Manual Reset

ABB ACS60402104000B0000901 Motor Variable Frequency Drive ACS60402105000B0000901

WEG 07518EP3H365TS Electric Motor 75HP 575V 1775 RPM 365TS Frame

Nu-Con SS AR Rotary Valve w/ SEW R70 Gear Reducer & Reliance Motor

TECO 34" Industrial Transformer Cooling Fan w/ 1.5HP MAX-E1 Motor

Reliance Dutymaster B31J2746M-LH 1.5 HP 1725 RPM 3 PH Type P 525V AC Motor

Fanuc A06B-0163-B5770-R AC Servo Motor αAM9/3000 MAN:B65142E 3000 RPM

Exlar SLG Series SLG115-010-KCGS-EM2-138 Servo Motor 20477 Rev E 230V 9.5A

Limitorque 2YAB47804A1 Valve Actuator 575 VAC 3PH Motor 3380 RPM SMB2 10.3 HP

Limitorque 1YFB47804A1 Valve Actuator 575 VAC 3PH Motor 3405 RPM 210TY 7.8 HP

Bosch Rexroth 3842998234 AS 2/R-2200 VPLUS Drive Module 800 mm Motor Detached

Allen Bradley VPL-B1152C-PJ14AA Ser A Kinetix VP Low Inertia Servo Motor

Oriental Motor DGM200R-AZAC Hollow Rotary Actuator 0.01°/Step 18:1 Gear Ratio

Limitorque 1YFB56379A1 YQ Nuclear Service Motor 575V 3PH 5.2HP 1710RPM 8.48A

Fanuc A06B-0163-B577#F000 Servo Motor 3PH 6.8A 200Hz

Bosch Rexroth 3842547994 Asynchron 3PH Motor .42kW w/ 3842519001 Gearbox

US Motors Titan HU SF 1.15 15HP 3PH 220/440V Holloshaft Motor 1800RPM A284UPA

Baumuller BUM60-08/16-54-B-001 Robot Servo Drive BUM60-VC-0A-0001 351981

Mini Mover LP-12024-R-D-P3 Conveyor with Oriental Motor BLM460S-GFV and GFV4G10A

Mini Mover LP-12024-L-D-P3 Conveyor with Oriental Motor BLM460S-GFV and GFV4G10A

Bosch Rexroth 3842999985 Transverse Belt Section & Motor BS 2/C-250 1800mm

 09H360Y329G1 Electric Motor, 25HP, 208-230/460V, 3525RPM, V15A32E2BL2S

Allen Bradley VPL-B0753E-PJ14AA Ser. A Kinetix VP Low Inertia AC Servo Motor

Nidec Motor Corp. D125P2FS DD01 Three-Phase General Purpose Motor 125HP 1780RPM

Limitorque 01KXV60293T1 HC Nuclear Service Motor 575V 3PH 7.8HP 3405RPM 9.1A

Radicon C062140.BANS5 Helical Worm Gear Reducer NEMA Motor Gearbox 40.1 Ratio

Pacific Scientific SC903-031-01 Servo Motor Amplifier

18 6" In Belt Conveyor System Flexlink Base Stand Oriental 51K50GN-AW2T Motor

Limitorque 4YAB47804A1 Electric Motor 575V 3PH 13HP 342RPM

REULAND 0020E-1BAN-0043 3-PHASE 2 HP 1200 RPM 60HZ 575V STEARNS 1-087-022-HO-ENF

Bosch Rexroth 3842998540 Belt Section CSS/B-5 TS 2 3841998540 NO MOTOR

ABB ACS604-0120-4-000B0200901 Motor Variable Frequency Drive 3 PH 3AUA489999N304

Emerson US Motors D20P3B Electric Motor 1180 RPM 20HP 1-7/8" Shaft Diameter AT74

Cutler Hammer AN56GN0BB Motor Starter Bimetallic Man/Auto Reset 3 Pole 45A