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。
以下链接皆有货
Winsmith E43M52240FT Single Reduction 50:1 Ratio Gear Speed Reducer
Winsmith SE Encore Speed Reducer 25:1 Gearbox 70 RPM 1Hp DLR 56C-Face
WINSYSTEMS SAT-SX/SLC
Witt Gasetechnik KM 40.3 Trumpf 3 Part Gas Mixing Manifold N2 CO2 HE 24V Coil
WITTMAN DRYMAX CONTROL PANEL
WKM DynaSeal 350 Lined 3Pc Ball Valve 4" Flanged 8-Bolt
Wohrle DPN 404840/W Power Supply 48-60vDC 40-33A 2kW Out 380-500vAC 3Ph In
Woodhead SST-PFB-CLX SST ControlLogix Profibus Module Rev 1.3.2
WOODWARD 723 PLUS DIGITAL CONTROL 9906-619
WOODWARD 723 PLUS DIGITAL CONTROL 9906-619
WOODWARD 8440-1802 MFR2S45B/PSV CONTROLLER
Woodward 8564-085 Steam Turbine Governor
Woodward Ignition Controller 8408-0727F
WoodWard MFR2 8440-1407 rev B FOR PARTS
WoodWard MFR2 8440-1407 rev B FOR PARTS
Woodworth W0129725-M Tooling Lathe Chuck 3-Jaw
Worthington Pump 52681-75 Brass Impeller 8.75" OD
Worthington Pump 52682-75 Brass Impeller 8.75" OD
Worthington Pump 983306-38 Brass Impeller 9-5/8" OD
WPI World Precision Instruments TBR4100 Free Radical Analyzer
WSC8 OPERATOR CONTROL PANEL
WSO-GEIP00200 MITSUBISHI MODULE
WT45-R950 Sick - Photoelectric Proximity Sensor SPDT
WTC 5034031802 Series 400 Display Panel W/ KEY
WTC 8143 Series 415 Weld Control
WTC 917-0125Y22, 900-8173-4M1 Medar Resistance Weld Control Board
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WTC 986-0054E Webview Weld Control Ethernet Terminal
WTC W105131A POWE SUPPLY UNIT
WTC, 902-1201, GEN6 MFDC Inverter 480V Spot Welder Power Source_8
WTCO / Medar MFDC Inverter Assembly Resistance Welding Control
WTCO Welding Technology Corp/Medar Inverter Assembly Resistance Welding Control
WTW Trioxmatic 700-15
WTW Trioxmatic 700-15
WTW Trioxmatic 700-7
WTW Trioxmatic 700-7
x KEYENCE XC-T34B1 TERMINAL BLOCK
x KEYENCE XC-T34B1 TERMINAL BLOCK
X-Axis Flanged Nut Steel Linear Ball Screw 2" Dia x 1/2" Lead 48" Travel
XCSA703 - Square D - Safety Interlock Switch
XILINX XC5VLX330T1FFG1738C FIELD PROGRAMMABLE GATE ARRAY 3PCS
XILINX XC5VLX330T1FFG1738I FIELD PROGRAMMABLE GATE ARRAY
XM-C1000 XM-T1000 XM-1500 KEYENCE Handheld Probe CMM Handheld Probe 3D Measuring
XSEL-J-1-100A-N1-EEE-2-145.3.B1.1 IAI ROBOTIC ACTUATOR CONTROLL (S3, L3)
XTCE009B10B - Eaton - 9 Amp Magnetic Contactor
XTCE009B10TD - Eaton - 9 Amp Magnetic Contactor
XTCE012B10E - Eaton - 12 Amp Magnetic Contactor
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XTCE015B10A - Eaton - Contactor
XTCE018C10A - Eaton - Magnetic Contactor
XTCE018C10B - Eaton - 18 Amp Magnetic Contactor
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XTCE032C10A - Eaton - 32 Amp Magnetic Contactor
XTCE040D00A - Eaton - 40 Amp Magnetic Contactor
XTCE050D00A - Eaton - Contactor
XTCE050D00B - Eaton - 50 Amp Magnetic Contactor
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XTCE080F00A - Eaton - Contactor
XTCE095F00A - Eaton - Contactor
XTCE115G00A - Eaton - Molded Case Circuit Breaker
XTCE150G00A - Eaton - Contactor
XTCERENCOILDA - Eaton - Magnetic Coil
XTCEXSBN11 - Eaton - Contactor and Motor Starter Auxiliary
XTOB012BC1 - Eaton - Overload Relay
XTOB016BC1 - Eaton - Motor Starter Overload Relay
XTOB016CC1 - Eaton - Overload Relay
XTOB040DC1 - Eaton - Overload Relay
XTOB057DC1 - Eaton - Overload Relay
XTOB065DC1 - Eaton - Overload Relay
XTOB1P6BC1 - Eaton - Overload Relay
XTPR004BC1 - Eaton - Motor Protector
XTPR012BC1 - Eaton - Motor Protector
XTPR016DC1 - Eaton - Motor Protector
XTPR025BC1 - Eaton - Motor Protector
XTPR032BC1 - Eaton - Motor Protector
XTPR050DC1 - Eaton - Motor Protector
XTPR063DC1 - Eaton - Motor Protector
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XTPR6P3BC1 - Eaton - Motor Protector
XYCOM 93886003 4150AMODEL OPERATOR INTERFACE PANEL
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Xycom 99298-098 Circuit Board
Xycom Automation PL3115T Industrial Touch Monitor
Xycom Flex 9450 Operator Interface Screen Monitor Micro Vitek 14HC4AAZ
XYCOM XVME100 PCB CONTROLLER CARD
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Yale 519492610 Forklift Cylinder Rod 1-3/4" Diameter 1" rod end
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YAMAHA RCX40 ROBOT CONTROLLER
YAMAHA SRCH, SRCH05 ROBOT CONTROLLER DRIVE
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Yamaha T910BK-150 Servo Linear Actuator 150mm Travel Encoder Ballscrew
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YAMAHA YAMAHA RCX320 CONTROLLER
YAMAHA YAMAHA RCX320 CONTROLLER
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YAMATAKE HONEYWELL M904H1009 - 9720P
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YAMATO EV211 F-R6 Software V. 2.02
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