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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。

Renishaw RL36BAE001D99F Photoelectric Sensor

Sick AGSE 300-1211 Safety Light Curtain Ver 2.12 293mm 6m

Banner USR1624YP2 Micro Screen Light Curtain Receiver 49608

Turck FCI-D04A4P-AP8X-H1141 Class 2 Inline Flow Control Sensor 24VDC

Pinnacle 52-006 Rev 7 Microguard Control Box MG-20-OF-AU

SICK LFP0300-A5NMC LFP Level Sensor 1062246

Balluff BIS00H6 LF Read/Write Head 70/455 kHz BIS C-60R-001-08P CORD CUT 6'

Keyence SL-V95F-T Safety Light Curtain Transmitter 154mA 24VDC

Omron STI MS46-20-610-X Safety Light Curtain Transmitter Mini Safe 4600

Keyence SL-C48F-T SL-C48F-R Light Curtain Set

Keyence SL-C48F Optical Axes SL-C48F-T SL-C48F-R

Balluff BOW B-0404-DU-C-S75 Optical Window Sensor BOW002U

Banner PVD225Q Single Piece Part Verification Array 5-Pin M12 70991

Allen Bradley 42SMP-7601-QD Ser A Photoswitch Diffuse Sensor

Enercon Stalled Bottle Detector Curtain Set w/ Allen Bradley 42SMU-7000 Sensor

Cognex DVT545 Vision Sensor w/ Tamron 1:3.9 75mm Lens

1  Cognex DVT545 Vision Sensor w/ Tamron 1:3.9 75mm Lens

Balluff BIS-C650 LF Processor Unit, BIS C-6002-019-...-03-ST11

Banner DF-G3-PI-Q5 DF-G3 Series Long Range Fiber Optic Amplifier 87609

Banner PVA300P6E / PVA300P6R Part Verification Emitter Receiver Array 300mm

Sick WT9L-P340 Photoelectric Sensor 10-30 VDC

SICK WLA26P-24162100A00 Compact Photoelectric Sensor 1218664

Norgren GC3F1BXBXE 2BX Pneumatic Gripper W/ Turck Ni2-ISI-0,055-BDS-2AP6X3-H1141

Fanuc A860-2155-V001 Programmable Logic Controller Module Servo Motor Sensor

Lumiflex CR30-300 Receiver and CT30-300 Transmitter

Fluid Components 012919-02 Sensor, Containment Level -Water 012918-01 Rev N/C

Keyence GL-SA28S Protection Cover Slim Type For 28 Beam Axes

Balluff BOH AI-R036-023-00,5-S49F-SA86 Through-Beam Sensor BOH00C7 244340

Keyence SZ-VB11 Safety Laser Display Unit Scanner Bracket Set

Fanuc A860-0331-T001 Linear Motor Pole Sensor

Cognex DVT545 Vision Sensor w/ Tamron 1:3.9 75mm Lens / 40mm C Mount Extension

1  Cognex DVT545 Vision Sensor w/ Tamron 1:3.9 75mm Lens / 40mm C Mount Extension

Banner GL-S20FH Safety Light Curtain Set GL-S20FH-R / GL-S20FH-T

Keyence GL-R20H-T Transmitter GL-R20H-R Receiver, Light Safety Curtain Set

Bimba TE-027-BDMQT1 Composite Bearing Thruster w/ MSCX-90 Reed Sensors

SMC PSE570-01-28 Pressure Sensor 1MPa 12-24VDC 10mA

SMC D-MP050 Cylinder Position Sensor

Keyence SL-C48F Safety Light Curtain Set, 48 Axes, SL-C48F-T, SL-C48F-R

Keyence IV-HG10 Vision Sensor Amplifier

1  Keyence IV-HG10 Vision Sensor Amplifier

Triad Microguard MG-16-0F-AU Safety Light Curtain Set 16" Emitter Receiver

Banner PVD225Q-76149 Part Verification Array 225mm 8-Channel 2m Range, M12 76149

SKF CMSS 668-5 Condition Monitoring Vibration Measurement Driver

Enercon LM4256-01 7 Sensor Junction Box for Cap Inspection System

Siko MSK5000-0407 Magnetic Sensor 11-E8X-LD-I-1/1250-0.2

Siko MSK5000-0038 Magnetic Sensor 11-LD-I-1/1250-1.0

Keyence SL-C32F Safety Light Curtain Set, 32 Optical Axes, SL-C32F-T, SL-C32F-R

Omron E2EF-QX3D1-M1TGJ M12 Proximity Sensor 3mm Range

Keyence OP-88646 Polarizing Filter For AI Imaging Illumination Unit Color

Keyence GT2-72P Intelligent High-Accuracy Digital Contact Sensor

Turck MS 3116M-16-26P-2067-3/s101 Actuator Sensor Cable Male Mil-Spec 26-Pin

Omegadyne PX419-2.5GI High Accuracy Pressure Transducer 0-2.5 PSIG

Keyence IL-1000 Intelligent-L Laser Sensor Amplifier 10-30VDC

1  Keyence IL-1000 Intelligent-L Laser Sensor Amplifier 10-30VDC

Keyence IV-HG500MA Monochrome Sensor Head

Leuze Lumiflex 16x9 U-Shaped Light Curtains Transmitter Receiver

Balluff BES02U4 Inductive Ring Sensor BES IKV-K-025-PS-1-Y

Rinstrum LSP2-B02-0010 Load Cell Scale 10-15 VDC

Solartron DP10P 97115-1 Digital Probe Sensor 10MM

SensoPart FT 25-RA-170-PSU-M4M Miniature Distance Sensor

Keyence GT2-H12KL High Precision Sensor Head, Low Measuring Force, GT2 Series

Banner PIA23UHFM13X7 Fiber Optic Sensor 0.5mm Core Dia. 1m Length 74740

Novotechnik LHW 360 024314 Position Transducer 360mm Range

Proportion-Air MPV1PANEEZP60PSGBXN Rev. A Control 1194983

Balluff BUS004C Digital Ultrasonic Sensor 20-250mm BUS R06K1-PPX-02/015-S75G

Statec PPS8500DSS2C2 G9508A006 Memory Interface Module, Controle Fiabilite

Banner Engineering QC50A3P6XDWQ Color Sensor

Keyence PZ-V32P Class 2 Photoelectric Sensor PZ-V/PZ-M

Enercon LM4256-01 7 Sensor Junction Box for Cap Inspection System, Cut Cord

Balluff BSP B020-FV004-D06S1A-S4 Pressure Sensor BSP00TA

Balluff BIC 1I0-I2A50-M30MI3-SM4A4A Inductive Coupler Base BIC000C

ifm ANT411 M12 RFID Read/Write Head HF DTRHF FNRWIDUS03

Banner PVD225Q Single Piece Verification Array 3-Pin M8 4ft Cable Length

ABB 3HNE 06285-1 Signal Measuring Module MCC-01

Skan-A-Matic S56101 Scanner Fiber Optic w/ Flex Snout

Eberline YP11351621 Portal Detector Photoelectric Sensor Kit PCM-1B

Datalogic CBX100 Compact Connection Box 93A301067

Micro-Epsilon MDS-45-M12-CA Magneto-Inductive Sensor

Fargo Controls S3221R Inductive Ring Sensor 10-30VDC E-G22PKZ/4SP/R

SMC MXS16-30ASP Cylinder Air Slide Table, Press. 0.15~0.7 MPa W/ D-A93 Sensors

IFM PN7201 Pressure Sensor With Display PN-250-SBN14-QFRKG/US/ /V

Keyence N-R2 Dedicated Communication Unit RS-232C Type

Baumer UNAM 30P1104/S14 Ultrasonic Proximity Sensor 4-Pin M12 Connector

Cedes S2S-ARF2I-KH3-ACD47 Safe 2 Plus Receiver Light Curtain System

NetBotz 500 Monitoring Unit w/ Camera Pod 120 & Sensor Pod 120

Panasonic FX-301HP Through-Beam Optical Sensor PNP Open Collector UFX301HP

Keyence IL-300 Intelligent-L Laser Sensor Head

Keyence PR-G61CP Square Retro-Reflective Sensor M8

Schunk MMS 22-A-10V-M08 Analog Position Sensor/Magnetic Switch M8 0.31m 315825

Keyence FS-N41C Digital Fiber Optic Sensor Main Unit

Banner Engineering Q3XTBLD-Q8 Q3X Series Laser Contrast Sensor 300mm Range

Omron STI MS46-20-610-Q1-X Safety Light Curtain Mini Safe 4600 Transmitter

Festo SPAU-P10R-W-G18FD-L-PNLK-PNVBA-M12U Pressure Sensor IO-Link 8001230

Keyence SL-V23F-R Safety Light Curtain Receiver w/ SL-VPT3PM-R Receiver Cable

Festo SPAU-P10R-W-G18FD-L-PNLK-PNVBA-M12U Pressure Sensor, IO-Link, 8001230

Balluff BNI IOL-751-V08-K007 IO-Link Valve Interface BNI006N

Novotechnik LHW 360 10339 Position Transducer 360mm Range

Instrumentation 182355-40 ACL 9000 Analyzer Acquisition & Sensors Board ACL8000

Balluff BNI IOL-302-000-Z026 I/O Link Sensor/Actuator Hub BNI0050

ifm GG711S Fail-Safe Inductive Sensor GIGA4008-2PS/SIL2/V4A/US

Banner PIRS1X326T5AL47 Fiber Optic Sensor Array, Opposed Mode, 3 0.25mm 97777

Keyence PR-G61CP Square Retro-Reflective Sensor

Keyence GL-SP5P Series GL-S Light Curtain Receiver and Transmitter Cable 5M PNP

Balluff BSP00Z3 Digital Display Pressure Sensor BSP V010-GV009-P00S2B-S4

Banner Q4XTKLAF600-Q8 IO-Link Rugged Laser Distance Sensor 10-30VDC 801918

Keyence SL-V20H Light Curtain Set SL-V20H-T/ SL-V20H-R Receiver w/ SL-VP7P-T

Balluff BGL001F Infrared Through Beam Forked Sensor M8 Connector BGL 30A-007-S49

Keyence GL-S12SH-R Safety Light Curtain Receiver Slim Type 12-Beam Axes

Proportion-Air MPV1PANEEZP60PSGBXN Rev. A Electronic Pressure Regulator 1027922

Turck RB51126-30M 430-30M Sensor Cable CSA AWM I/II A/B 22m Spool

Keyence GT-71AP Amplifier Unit DIN Rail Type

Microscan Idec 99-000017-02 Photo Sensor for use with IB-131

Keyence SL-V20H Light Curtain 20 Optical Axes SL-V20H-T / SL-V20H-R

Keyence FS-N43P Fiber Optic Sensor Amplifier Unit 100mA 10-30VDC

Banner D10IPFP High Performance Fiber Optic Sensor 62388

Raytek RAYC13A10L Infrared Temperature Sensor 32-66 Degree F

Keyence LR-ZB250P CMOS Self Contained Laser Sensor, 52" Cable

1  Keyence LR-ZB250P CMOS Self Contained Laser Sensor, 52" Cable

Takex GXH510 Photoelectric Hi Temp Fiber Optic Sensor

Sensor Instruments SI-RS232/Ethernet-4-2000 Serial To Ethernet Bus Converter

Sony DK812FR Digital Magnescale Sensor & Gauging Probe ONE END CUT

Banner Q12RB6FF15Q World-Beam Mini Self Contained Sensor 15 mm Range 72108

Rinstrum Model T620 Rinwire Weight Transmitter Outdoor Module

Applied Robotics QS-50NP-T3 Quickstop Collision Sensor 14-87PSIG 3A 120VAC/42VDC

Allen Bradley 871Z-DW2NP12-D4 Ser. A Inductive Sensor 12mm

Veris Industries HD2XVSTA2 Duct Mount Humidity Sensor MISSING COVER PLATE

Omron STI MS46SR-14-260-Q1-R-NC-FP Safety Light Curtain Mini Safe 4600 Series

Omron STI MS46-14-260-Q1-X Safety Light Curtain Mini Safe 4600 Series

Keyence PZ-M62P Square Retro-Reflective Sensor M8 Connector Type PNP

PepperlFuchs NJ40-FP-A2-B1-P4-V1 Inductive Sensor

Omron STI Mini Safe 4600 Series Safety Light Curtain Receiver 610mm

Novotechnik AW Series 7 Pin Rotary Shaft Type Position Sensor 16395G