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。
Telemecanique F10NOCR Auxiliary Interlock
Westinghouse 373B331G18 Contact Kit
SM-J08713 Proximity Switch
1 GE TED124070 70A CIRCUIT BREAKER
Bodine KYC-26 Electric Motor with Capacitor
Turnbull 8-LOOP 6358 Controller
Banner Engineering 2LM5-14 Logic Module
Parker 6Fel6N-B A-Lok Female Elbow Fittings
Allen-Bradley Fiber Optic Cable with Adapter 443GT-TIS10MS
Hubbell Control Board Exit Sign HBL-8961
FASCO Industries 7121-10605 U21B 1/16 HP 460 VAC 3000 RPM HVAC Blower Motor
ASCO 027476-004-D Coil
Vickers Valve DG4V-3-2C-M-W-B-40
LEM LT-200-S Current Module
OMRON E3S-GS3E4 PHOTOELECTRIC SENSOR
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1 Allen-Bradley 800MR-FXP16RA ILLUMINATED PUSH PULL PUSH BUTTON
Cutler-Hammer 6-25-2 3 Pole Size 3 Contact Kit
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Barber Colman 72A-2787-2-6 Controller
Magnecraft TDRSRXP-120V Adjustable Off Delay/Shot Time Delay Relay
Allen-Bradley Commication Control Module 1771-KE
Parker K175803549 Solenoid Valve
Rexroth RR00874084 Seal Kit
50 EFD 7005003 5121TLC-B Precision Dispensing Tips
Balluff Bos 18M-PS-1XA-E5-C-S4 Tubular Photoelectric Sensor
Microswitch Push Button Illuminated PMHC105A1
Eaton 585-18 Coil
Stromadyn BEQ1 190208064 PC Board
MERCOID CONTROL DR -35-2L-8
GEMS Flow Sensor 29609
Numatics Solenoid Valve 082SA425M016T61
PBM SPHD5QG04 3/4" HL/GX/900 psig CWP 58129/001 Stainless Steel Ball Valve
Leybold Heraeus 591-81-223 28123-B2 Motorized Vacuum Valve
Marwin EU-2-5 Actuator Valve
S Hydraulics CWGA-LHN Coterbalance Valve
Johnson Controls A28AK-1C Air Duct Thermostat
Snap-Tite 6242BAE 2in Brass Solenoid Valve
MAC PR82A-GBBA PRESSURE REGULATOR
Allen-Bradley 1202-C10 SERIES A SCANPORT CABLES
IFM EfectorKb--Bb0A Sensor-
JOHNSON CONTROLS T-5500-1052 TEMPERATURE GAUGE
IFM Efector OAR-FPKG/US100 SENSOR-
Compeq 9328 D2-V0 94V-0 Meter
5 Littelfuse L50S-125 FUSES
Siemens 6FX7002-5EA31-1AK0 Preassembled Power Cable
1 LOT OF 17 MAXIM MAX396CAI ANALOG MULTIPLEXERS
Ashcroft T424TS027 Snap Action Switch
JOKAB SAFETY RT6
Ingersoll Rand 16W1B1081R02 Ball Nose End Milling Cutter
Custom Precision Products 19-1215-1.5-316L Valve Repair Kit
Klockner Moeller DILA-40 230/240V 50/60HZ Contactor
CKL106
Numatics REGULATOR ASSY I51RD100J063D00
CONVUM CVA-DN BREAK VALVE GENERATOR
Dayton 4Z411 Pneumatic Motor
LOT OF 10 Hubbell 4723VY PLUGS
Furnas D71628-40 Coil
RAMSEY ENGINEERING C06365E-0012B POWER SUPPLY BOARD
Littelfuse LLSRK-250 FUSE
Oriental Motor 5IK40GK-SM
1 WESTINGHOUSE 300V CONTROL RELAY BF66F
Mitutoyo 2804S-10 Dial Indicator
1 Mitutoyo 2804S-10 Dial Indicator
Miller Air Cylinder Piston 051-KR011-200
IFM EfectorL15041 Sensor
Balluff BES01UW Sensor
OMRON Photoeletric Switch Fiber E32-T14L
Fanuc IC697ACC702A Terminator Plug
Allen-Bradley 16 CH-AC OUTPUT MODULE 1746-OA16
Allen-Bradley 16 CH-AC OUTPUT MODULE 1746-OA16
Allen-Bradley 700-PK800A1 Relay
GE 101X112 CONTACT KIT FOR VERTICAL-LIFT DEVICES
MAYR 02/440.504.0 CLUTCH
3 GE Contactors CR2810A14AC
1 3 GE Contactors CR2810A14AC
ADEPT TECHNOLOGY 10310-54020 INTERFACE BOARD
SCHNEIDER AUTOMATION INC 140 DDO 843 00 INPUT MODULE
Numatics DB81TLPR05M15S00 D
Square D 9007-B53B1-SB36 Limit Switch Assembly-
Telmar 577000 Temperature Transmitter 0-100 Degrees Celsius
Cutler-Hammer D40RBA TYPE R REED RELAY
ADVANCE 71A6071-001D CORE COIL BALLAST KIT
Amstro Strobe Light With Timer 1104-S3-320-76
Inpro Vbx Seal Bearing Isolator 1908A-M0012-0
ABB MF845530 CIRCUIT BREAKER
Foxboro Card Signal Conditioner P0121KQ
Norgren 5350-08 AIR FILTER
Ross Repair Kit 280K87
Festo Pressure Switch PEV-1/4-B
Becker 518943 Vanes for Rotary Vane Vacuum Pump
Enertrols SA1/4X1/2S-B Shock Absorber
Reliance Electric Auto Reversing Card 0-54380
VIPA 221-1BH10 PLC Interface Module
Banner Engineering 16299 / LM5-14 Logic Module
Allen-Bradley 592-BOV169 NEMA Eutectic Alloy O/l Relay Man. Reset
1 Allen-Bradley 592-BOV169 NEMA Eutectic Alloy O/l Relay Man. Reset
Festo Cylinder DSNU-5/8-8 NWOB
Square D Pushbutton 250VAC 2.5A Seriplex Module 9001-KM351BPRT
MURR Elektronik 23 006 Motor Suppressor
Numatics F30D-04A Coalescence Filter
Siemens 6ES7131-4BD01-0AB0 PLC Input Output Module
Banner Engineering NO5-Q08-AN7V1131 Photoelectric Proximity Sensor
WEG PESW18CAX-R23 Motor Starter
Brady 33941 Label Printer
WEG PESW12CAX-R21 Motor Starter
WEG PESW9CAX-R16 Motor Starter
Watlow LFC2HW0250AAAAA Limit LF Power Supply
Square D 8994-SYS80 Rack Mot Weld Control Module
MICRO SWITCH BAF1-2RQN8-RH Limit Switch
branded M42C POWER SUPPLY PC BOARD
Westinghouse 1605202 Contact Kit
1 VICKERS DG4V32AMWB VALVE
Allen-Bradley PLC-5 Ethernet Interface 1785-ENET A
Rexroth Z2FS6-2-43-1QV Double Throttle Hydraulic Valve
Lot Of 16 Parker Ge10Lreda3C Straight Stud Fittings
Allen-Bradley 74-A86 Coil
Red Lion Coter CUB10000
ited Electric J6-142-9508 Differential Pressure Switch
Deltrol EF30B Flow Control Valve
Westinghouse SIZE 3 (?
Allen-Bradley 800T-FXJTQH10RA1 PUSH BUTTON SWITCH
FANUC R-J3iB LOCAL STOP IT
MAC Valves 52A-11-B0A-DM-DFFJ-1KJ 24VDC 3-Way Solenoid Valve
Siemens 3TY6440-0A Main Contact Kit for 3TB44 Contactor
VIPA 221-1BF10 PLC Interface Module
ABB 3N2616 Tube Feed
Patlite MT-412-RAGB Red/Amber/Green/Blue Super Slim Stack Light
Turck BI15R-Q14-AP6X2 Inductive Sensor
Datalogic GWY-01-Ind-01 Rfi Interface Module
Red Lion Ditak II Model 101 Digital Tachometer DT-11A
Euchner Safety Switch TP4-4131A024M
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