A16B-2203-0111;
供应A16B-2203-0111;
A16B-2203-0111;
PLC与单片机有哪些区别?
PLC是应用单片机构成的比较成熟的控制系统,是已经调试成熟稳定的单片机应用系统的产品,有较强的通用性。
单片机可以构成各种各样的应用系统,使用范围更广,但单就“单片机”而言,它只是一种集成电路,还必须与其它元器件及软件构成系统才能应用。
从工程的使用来看,对单项工程或重复数极少的项目,采用PLC快捷方便,*率高,可靠性好,但成本较高。
对于量大的配套项目,采用单片机系统具有成本低、效益高的优点,但这要有相当的研发力量和行业经验才能使系统稳定。
结:从本质上说,PLC其实就是一套已经做好的单片机(单片机范围很广泛)系统。
单片机可以取代PLC吗?
有人说这是个伪问题,单片机是元器件,PLC是由元器件以及庞大的软件构成的系统,两者在这一方面没有可比性 —— 大多PLC的控制芯片实际上就是单片机,也就是说可以将PLC看成是单片机的二次开发。单论工业防护等级,单片机的稳定性和可靠性能根本比不了PLC这种IP67类的产品( IP为标记字母,标记数字表示接触保护和外来物保护等级,第二标记数字表示防水保护等级)。而且就PLC这种能应对工业恶劣环境的产品还开发出一套冗余系统。
CUTLER-HAMMER FDP366RDS 600AMP FPANELBOARD SWITCHALLEN BRADLEY SP503349 USPP SP503349ALLEN BRADLEY PV+ 2711P-K7D1 2711PK7D1
ASEA BROWN BOVERI ACH501-010-2-00P2 USPP ACH501010200P2Atlas Copco Nutrunner system QPX 60-250B QXT 72-100 R Servo Motor 4232 1904 80
Cutler Hammer HLD3400T56WZGP 400A LSIA w/ Optim 550 Trip Unit & 200A Rating PlugAnritsu 36581NNF-1
DBM CNG-1-800/2400 Automated Carrier to Noise Generator 2GHz, 1
BATTERY 8GGC2 GOLF CART 48V MK GEL198 AH 20 Hr. 8 EACH
Allen Bradly / 2098-IPD-030-DN 9111-2274 SER.ABUSPLUG
ALLEN BRADLEY F-4030-QH00AA USPP F4030QH00AABruel Kjaer 1022 Beat Frequency Oscillator w/ Bruel Kjaer 2305A Level Recorder
ASEA BROWN BOVERI 3BSE008358R1 NSPP 3BSE008358R1
Applied Air Systems 55,000 CFM Air Make Up Unit
Coil Winding Machine 5 HP AC VS PLC programable Coil WinderCUTLER HAMMER 150KVA DRY TYPE TRANSFORMER 240V - 208Y/120VCARRIER HH-09AZ-012 NSFP HH09AZ012
Anritsu MG9001A-MG0937CBaumuller Baumüller Dubai Stock b maXX 4000 BM4414-ST0-01300-03 BM4400sNOW
Control Techniques DST1404P | 12mo | Free EUping | Inc UK VATCutler Hammer MDSC30 3000 Amp Circuit Breaker
CONTROL TECHNIQUES SPMD1604M USPP SPMD1604M
Custom Servo Motors PRE-50 Amplifier
ALLEN BRADLEY SERVO MOTOR 1326AB-B2E-11CONE GEAR REDUCER HU600- 20-1 LOW HRS EXCELLENT
ALLEN-BRADLEY BULLETIN 1395 DIGITAL DC DRIVE CONTROLLERCONTROL TECHNIQUES DXM-316W USPP DXM316W
BAUMULLER SERVO MOTOR DSG 71-S
Castle GA216L - Class 2 Data Logging Pro Sound Meter
ALLEN BRADLEY PV600 2711-B6C10 DEVICENET 2711B6C10 NIBBAUMULLER DSG56-S USPP DSG56SBrand MITSUBISHI PCB (Part # RK112-22)
ALLEN BRADLEY POWER FLEX 70 20A D 2P1A 3 AYNNNNNBOSCH 1070071221-102
Belden 9273 010 - 50 Ohm Coax - 1000' 19 AWG 1 Conductor Solid Shielded -ASEA BROWN BOVERI S4L250EW USPP S4L250EW
Brother TC321 Amplifier 68BA50VXT02
CSA8200-GT Tektronix Communications Signal Analyzer
AM-S980-830 MODICON NETWORK CONTROLLER AMS980830Anritsu Wiltron Site Master S331C Cable Antenna S331
CUTLER HAMMER CIRCUIT BREAKER 1200 AMP 600V 3 POLE ND312T33W 12NES1000TCondor SP1203 | 12 mo. | Free UK/EUping | Price Inc UK VAT
BE1-32RD2EE1PA0N5F Basler Electric Power Relay
AMAT 0040-70407 Etch chamber chuck, Rev 002
ASEA BROWN BOVERI 750191-001B NSFP 750191001B
CUTLER HAMMER INDUSTRIAL CIRCUIT BREAKER FRAME CAT # HLDB3600FT33W
CT Elevator INVERTER ES3401 15KW good in condition for industry use
ALLEN BRADLEY FVNR SIZE 4 MCC BUCKET 500F-EOD930 193-EC3ZZ 2.5 SF 150A 60HP
Anritsu S331C Site Master Cable and Antenna Analyzer Cal &ASEA BROWN BOVERI 57510001-AA/3 USPP 57510001AA3Datalogic Matrix D Barcode Reader Scanner 937401005 (NIB)
CUTLER HAMMER 1585KHX USPP 1585KHXBeijer Cimrex 91,, CIMREX91,ANIMATICS MOTION CONTROLLER CDP-2407-02 NOVELLUS PART NO. 27-050014-02 REV D
AS-P883-200 MODICON POWER SUPPLY REMANUFACTUREDControl Techniques, Unidrive UNI1404, 2.2 KW, 380/480 VAC, 6 MONTHS
CLC-D02.3M-FW BOSCH ELECTRONIC CIRCUIT BOARDDATA I/O 901-0058-006 USPP 9010058006
AMPLIFIER RESEARCH KAW2020 AMP 200 MHz - 500 MHz / 100WCardion AN/UPM-136 Transponder Test Kit (102425) (CY-7392/UOM-136)
Atlas 4240 0151 00 Compact Servo Amp #7656
CALIBRATEDVolts, mA, RTDs Pressure 90
CUTLER HAMMER BAC03014B1K9P6 USPP BAC03014B1K9P6BOSCH 050881-403 USPP 050881403
Darwin Chambers PH052ANALOGIC 1009102 FNFP 1009102
COMEC INK PRINT 50PN 2C LC50PN2C _ LC5OPN2C
O Multi-Amp STATES/Biddle-Megger PA-2505-69 Phantom Load
BAILEY P-HC-PLT-20221100 HARMONY BRIDGE AREA HAC CONTROL 16MB 24V DC 5.1A 83108
CALIBRATED CALIBRATED CALIBRATED
Cutler - Hammer DSII-840 600V 4000A L/S/I AIR CIRCUIT BREAKER
Anritsu MT8802A/1A/13A/01BLL Moisture Meter with Insertion Probe in Carrying Case with USB, Range 10-50%
福州聚福兴自动化有限公司 jfx-auto-chen主营产品:DCS集散式控制系统、PLC可编程控制器、数控系统、测量传感器、高压开关柜、控制柜、变频柜、模块、 卡件、 变频器、 电源 、线缆 、cpu 、控制器、 DCS PLC 、 机器人备件、 驱动等。