IC646CSPC002***
价格:999.00
IC646CSPC002***;IC646CSPC002***;IC646CSPC002***抽像一点讲,过程控制渗透在生活的各个角落。特别是在数控行业,尤为明显。早期在PLC时代,几乎是一统天下。当大小不一的控制卡公司如雨后春笋般成长起来时,控制卡在过程控制逐步体现出强劲优势。其编程手段往往邦定非常成熟的编程工具,如:CB,VC,Dephi,CB。故其推广非常迅速.很快拥有大量客户群。但是,作为编程者,碰到同一程序需要控制多个同样设备时(动作不一定同步),往往在Window多任务系统的影响下,很快想到多线程技术,其实多线程编程对系统依赖性较强,不同级别的处理,将导致程序的维护成本增加,并且还需要考虑线程之间的通讯,使编程起来较为麻烦。事实上,依靠过程编程的思想,会使程序获得更简单的做法。纯粹从编程角度来看,过程控制编程应包含几个要素,下面以C++伪码方式来表示一个类,较易说明问题:注意:有很多程序员在不同编译器下,需要不同的OnRunAction函数版本,以上实现***为简单,但有一些较特殊。比如:在程序启动时,就驱动所有设备,这点本人在VC6.0环境有过经验,可以分享一下,其它环境下,还需同胞们一起去努力发现。还有一点声明,多线程技术也不是一无是处,在花费时间较频繁的通讯编程方面,它的优势,还是有相当的力。TEXASINSTRUMENTSPLC505-6204USPP5056204PanasonicMUMA042A3E400WACServoMotorFreeShipASEABROWNBOVERI3AFE61001395USPP3AFE61001395CUTLERHAMMERA202K47USPPA202K47PanasonicIndustrialACServoMotorM***D042S1V0.4KWELECTROCRAFT9101-1133USPP91011133YASKAWAELECTRICSGMD-40A6ABSUSPPSGMD40A6ABSASEABROWNBOVERIMFE500341801004EHNSPPMFE500341801004ETEXASINSTRUMENTSPLC7MT-100AUSPP7MT100ASENTROL532-093-027USPP532093027ASEABROWNBOVERIACS401601132NSFPACS401601132TexasInstrument500-5037AAnalogInputModuleALLENBRADLEY1336F-BRF100-AN-ENUSPP1336FBRF100ANENASEABROWNBOVERIACH501-010-4-00P2USPPACH501010400P2TEXASINSTRUMENTSPLC500-2102USPP5002102TexasInstrumentsPM550-400ASEABROWNBOVERIRVS-6-100/120VNSPPRVS6100120VPanasonicMDDA153A1AACServoDrivertestedASEABROWNBOVERIACS601-0025-4-000B1200801USPPACS60100254000B1ASEABROWNBOVERI750191-001BNSFP750191001BTEXASINSTRUMENTSPLC500-5037AUSPP5005037ATEXASINSTRUMENTSPLC575-4232NSFP5754232505-6840TexasInstruments/SiemensTI5056840R31PanasonicACServoMotorM***021A1AXw/60daywarrantyTISiemensCTi208016PT110VAC/DCInputPT.RevB.1PLCPanasonic750WServoDriverMCDDT3520L01(freeshipping)PanasonicMQDB011AAD03ACServoMotorwith60daywarrantyASEABROWNBOVERI57360001-HC/3USPP57360001HC3FISCHER&PORTER53MC2112A1XBX1USPP53MC2112A1XBX1TEXASINSTRUMENTSPLC510USPP510TexasInstruments505-4732TEXASINSTRUMENTSPLC405-6MTNSPP4056MTTEXASINSTRUMENTS5TI-2001USPP5TI2001ASEABROWNBOVERI52700230USPP52700230TexasInstrumentsRTU-8640-RSTREMOTETERMINALRTU8640RSTMITSUBISHISJ-4-V7.5-11MNSFPSJ4V7511MASEABROWNBOVERI57510001-AA/5USPP57510001AA5TEXASINSTRUMENTSPLC7MT-300USPP7MT300TEXASINSTRUMENTSPLC435-CPUUSPP435CPUASEABROWNBOVERI57411490USPP57411490TexasInstruments500-2102ASEABROWNBOVERIYB161102-BKUSPPYB161102BKOnePANASONICACSERVODRIVERMADA01311A79FreeShipTEXASINSTRUMENTSPLC2490092USPP2490092PanasonicACServoMotorM***02A1EFreeShipTEXASINSTRUMENTSPLC575-4616NSFP5754616TEXASINSTRUMENTSPLC500-5032USPP5005032PANASONICACSERVODRIVERDV85005LD5BSFreeShipASEABROWNBOVERI57772280USPP57772280ASEABROWNBOVERIYYT-102BUSPPYYT102BASEABROWNBOVERIDSSR-116USPPDSSR116TexasInstruments505-4616TEXASINSTRUMENTSPLC2223050-0003USPP22230500003TEXASINSTRUMENTSPLCCVU-3604USPPCVU3604TEXASINSTRUMENTSPLC7MT-210USPP7MT210ASEABROWNBOVERI3HAB2136-001USPP3HAB2136001TEXASINSTRUMENTSPLC505-4708NSFP5054708545-1101TexasInstrumentsSimaticPLCTI545TI5451101N300ALLENBRADLEY6602MDSRUSPP6602MDSRSEWEURODRIVEMDV60A0015-5A3-4-00USPPMDV60A00155A3400(AB01)ACSERVODRIVERPANASONICMSD-11A1XX21WORKINGKEBCOMBIVERT09.F5.A1D-LAWAUSPP09F5A1DLAWATEXASINSTRUMENTS500-2151POWERSUPPLY5002151(AB01)ACSERVODRIVERPANASONICMATSUSHITAELECTRICINDUSTRIALMSD013A1XXTEXASINSTRUMENTSPLC305-8ADCNSFP3058ADCSICKOPTICELECTRONICODC100-P120USPPODC100P120PanasonicACServoDriveMADCT1503220V100WFreeShipRELIANCEELECTRIC0-51831-5NSFP0518315SiemensSimaticTI305-02BProgrammableControllerPLCPanasonicServoDriverMBDDT2210NIBFreeShipPanasonicMUMA042A3E400WACServoMotorFreeShipALLENBRADLEY160-AA18PS1-AF-DS-PICNSPP160AA18PS1AFDSPIALLENBRADLEY1771-DENSFP1771DEPanasonicAMK8100810SAFACServoMotorASEABROWNBOVERI6232BP10810USPP6232BP10810PanasonicMSD021P1EACservodriver100V200WALLENBRADLEY1785-CHBMNSPP1785CHBMASEABROWNBOVERIMK14A-ABBUSPPMK14AABB)