推送:0100-3804省市县区域/直送2024全+境+派+送
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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。
Mitsubishi Control Circuit Board KE76B525G02 Inv/S11Y Inverter Split it
Teco VFD Model JNEV-401-H3 460Volts 3Phase Input, 460Volts 3 Phase Output
Carrier Circuit Board HK50AA034 CEBD430458-05A
CEPL130904-02-R HK50AA0514113 CEBD430904-09-RA Carrier Furnace Control Board
IBS485HV 5-Port Serial Commications Multiplexer Brand
Emerson 50L47-290-01 Circuit Control Board GP/N PCBBF241 0131F00289
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Trane 6400-1001-02 Rev G Control Board
JBK 230Pump Jction Kit
Lennox Control board M1-6 with sub boards C1-3 AND EM1-1
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IPower H1-1000COB-GBL Digital Electronic Ballast
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13651490-02
Emerson 50L47-290-01 Circuit Control Board GP/N PCBBF241 0131F00289 #P614
1601-0482 - ALLOY ART Shifter Linkage - Semi-Polished MCL-2
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Signal Divison FBL Deep Flush Moting
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Carrier Bryant 1012-940-L Furnace Control Circuit Board HK42FZ009
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OEM LG EBR8082DH Dryer Control Board
LENNOX A55 M1-5 Rev C Rooftop it Control Board Hb-01905da
IB-MEI S.A 2/102/JU65 Washing Machine Motor 120v
13550266020 Control Transfomer 460v 24v
Lennox M1-6 Control Board with sub boards
Homeline Square D Outdoor Load Center Circuit Breaker 125A Amp 4 Space 8
Eaton C25DNF340T Definite Purpose Contactor 40 FLA 3 Poles
1 inch Flex Screw in Connector Pack of 70
GE PCB Low Value Gate 0872D432G0003
GE 186C9303G0002 REV. 3 Megacycle Frequency to Voltage Converter
ABB 3BHB004661R0101 Gate it Power Supply
Cyberex 1M-0.8/ 0.72DF1M Power Supply
Allen-Bradley PowerFlex 700 / Enclosure 20BD156A0ANNANC0
GE 115D2292G2 IV AMP-RPW-AV PC Board
Square D HVLCC Load Interruptor Switchgear Remote Power Distrubution Center
GE 115D2281G2 LD RATE / SET LIMIT
GE FANUC 117D6684 G1 Load Set Printed Circuit Board
PDL Electronics / Bardac UE140D54 AC Flux Vector Drive
Allen-Bradley 803-B6 Rotary Cam Limit Switch
Westinghouse 149D930G02 Minimum Excitation Limiter
Krones Autocol K747 Bottle Labeler and Control Panel HUGE SALE!
Westinghouse 100P104H01B / M300AWEAW 798A243G02 Firing Circuit Buck Boost
Ronan DET-16861-6P0-A Density Detector
Yokogawa DX230-2-2/A3/F1/S13/NS-S Chart Recorder
GE STM Limit Board 117D6690P3
TARGET ROCK 78G-009 VALVE
Allen-Bradley 803-F812 Rotary Cam Limit Switch
GE CV Amp Card 117D7353P2
Westinghouse 149D946G01 Over Excitation Protection-2
Square D NT08N1 Masterpac Circuit Breaker
Westinghouse 149D956G02 DC Voltage Error Detector
Baldor Motor ECP4410T-4
Baldor Motor ECP4404T 75 HP
Tankless Inc SN-13153 Hot Water Heater
Allen-Bradley 150B-F25-1FBD-1E-1F-3B-5R-6P-88-20E-NB-N1 460 Volts 3 Phase Drive
GE 115D2234G2 VOLT COMP-PLU PC Board
ABB IIMPM02 PC Board
ABB 3BHL000392P0101 Power Block IGCT Module
Westinghouse M300 6540C42G02 Voltage Adjuster
Alstom Sire-S3-1 Controller it
Rosemot 8705FHA005C1W0NA FLOW METER TRANSMITTER
GE 115D2298G2 MSV AMP-AV Printed Circuit board
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Bently Nevada 3500/42M AND 138708-01 Modules
GE 115D2220G2 Frequency to Volts Conversion Board
Bently Nevada Proximitor Seismic Monitor PWA-140734
Moog Controls 73-101 Valve
Westinghouse 149D835G01 AC Voltage Error Detector
GE 115D2248G002 Valve Pos Demodulator Board
Allen-Bradley 5820-EI/A INTERFACE MODULE-
GE INTERRUPTER
Allen-Bradley1336F-B010-AN-EN4-HA2-L6 Drive
Bailey INIIT-002 PC Board Net Transfer
Emerson Servo Motor 115U3E405VAMAA115240
Allen-Bradley AC Motor 8720SM-075S6SAS1 75Kw 137A 750DC
Allen Bradley Motor 31HP (Kw) 37.1V 1600 RPM 8720SM-030Z4JAS2
Cutler-Hammer A202K4BA CONTACTOR
GE Low Value Gate Card 117D6635G2 115D2268P2
Copeland Condensing it CNAG-0200-TAC-001
ABB 3HNE00313-1 Teach Pendant
Fanuc Spindle Servo Motor A06B-0868-B200 #3000
Cutler-Hammer 8172A-6501 102752 Opcon Photoelectric Analog Control Switch
Reliance Electric 0-49001-2 Cardpak Power Supply
Baldor E4316T 75 HP Foot Moted Motor
GE CV Amp Card 137D6720P3
Westinghouse W200M3CFCY4Y7 Size 3 Starter
Fanuc AC Spindle Motor A06B-0759-B200 #3000
Fanuc AC Spindle Motor A06B-0759-B290#3000
Ovation 1C31232G03 Differential Module
GE 531X305NTBANG1 TERMINAL BOARD
ABB 3BHB003041R0101 I/O CONTROL BOARD
GE 169C2768G0002 Board
Yokogawa DX230-2-2 A3/F1/S13 Paperless Recorder
Copeland Condensing it C7AB-0200-TAC-001 EAV1-0200-TAC1
Square D 8030 CRM-510 Interface
Westinghouse 1B30035H01 In Module Process Control PLC Ovation 787782-1 0149
Eaton 220600E LSE-2 Circuit Breaker
Westinghouse Error Detector AC Voltage 149D835G01
Ametek TMII Thermox Oxygen Monitor
NUS INSTRUMENTS NUS-B071PA-1 BOARD
ABB HB003431R0101 POWER SUPPLY
Giddings Exec Control Board 503-19515-20
Ferraz Shawmut A6Y2000-5 Fuse
Emerson 1199PDB25AFFWG1DB000 AND 3051S2TG3A2B11A1AB4D1E5M5Q4
Emerson 1199WDB25AFFWG1DB00 AND 3051S2TG3A2B11A1AB4D1E5M5
GE 125D3225G2 VC-Low Hysteresis PC Board
Allen-Bradley 1785-L40B/E PLC 5/40 Processor
GE 169C2766G0002 Sensor Board
Square D Circuit Breaker 800A MHL3680036DC2351
ABB Flow Meter 10DX3111AFE20P1A2BA1132X
Honeywell PC Board CLI 80360206-001
Yokogawa As-K9290-Xl-Cpu Analyzer
GE PC Board 117D7321P2
Honeywell 51453319-502 UDA DISLVD OXYGEN PPB INPUT CARD
Integrated Security Infinity 2000 Sec Transponder Card 900501-A
联系方式
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