PCI-1602B输出模块
PCI-1602B输出模块
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,以上实现最为简单,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。
TEXAS INSTRUMENTS PLC 555-1106 USPP 5551106
TEXAS INSTRUMENTS PLC 505-7003 USPP 5057003
KEB COMBIVERT FT011239A USPP FT011239A
TEXAS INSTRUMENTS 500-5019 WORD OUTPUT MODULE NEW 5005019
Panasonic MGM-32262S AC Servo Motor NEW
CHINO DB1230-000 USPP DB1230000
ASEA BROWN BOVERI ACX550-U0-06A1-6 NSPP ACX550U006A16
ASEA BROWN BOVERI YB560103-AM/6 NSPP YB560103AM6
ASEA BROWN BOVERI ACS401601132 NSFP ACS401601132
TEXAS INSTRUMENTS PLC 2587695-8033 NSFP 25876958033
SIEMENS 6RB2-000-0GB01 USPP 6RB20000GB01
(AB01) AC SERVO DRIVER PANASONIC MATSUSHITA ELECTRIC MSD021PIEA01 WORKING
RELIANCE ELECTRIC 0-49046 USPP 049046
ASEA BROWN BOVERI 264C901A07 NSFP 264C901A07
SIEMENS TEXAS INSTRUMENTS MONITOR CVU100
TEXAS INSTRUMENTS 500-5037-A **
ALLEN BRADLEY 196258 USPP 196258
TEXAS INSTRUMENTS PLC 505-4216A USPP 5054216A
RELIANCE ELECTRIC 801429-5SB USPP 8014295SB
Panasonic AC SERVO MOTOR MSMA082A1C
TEXAS INSTRUMENTS PLC 505-6830 NSFP 5056830
CONTROL TECHNIQUES UD52 USPP UD52
TEXAS INSTRUMENTS PLC 505-7201 NSFP 5057201
SIEMENS 6ES5-943-7UA11 USPP 6ES59437UA11
ALLEN BRADLEY 1771-HSAR USPP 1771HSAR
TEXAS INSTRUMENTS PLC 945145-0004-AA USPP 9451450004AA
Texas Instruments 505-4532
(AB01) AC SERVO DRIVE UNIT PANASONIC ADKA100BPTADA WORKING
Expedited shipping ailable
TEXAS INSTRUMENTS PLC 505-2557 USPP 5052557
OMRON F3S-A321-D USPP F3SA321D
Panasonic AC Servo Motor MSMA042A1A Free Ship
PANASONIC MSMA082A1A AC SERVO MOTOR 116 V, 4.3A, 200Hz, 3000 r/min, 0.75 kW OUT
TI Siemens CTi 500-2151-A 5002151 Power Supply 2151A PLC
RELIANCE ELECTRIC 0-51419 NSFP 051419
ALLEN BRADLEY 825-P USPP 825P
Panasonic 750W Servo Driver MCDDT3520L01 (free shipping)
PANASONIC AC SERVO DRIVE MFDDTB3A2L01 5.0KW
Panasonic AC Servo Drive MSD3A3A1X Free Ship
TEXAS INSTRUMENTS PLC 505-5417 USPP 5055417
ASEA BROWN BOVERI 57770163 NSFP 57770163
PANASONIC SERVO DRIVER MfDDTA390L01 3KW
ALLEN BRADLEY MPF-A310P-MJ24AA NSFP MPFA310PMJ24AA
Texas Instruments/Siemens 505-7202/5057202 Interface
ASEA BROWN BOVERI DSQC-325 USPP DSQC325
DATALOGIC DS6300-100-010 USPP DS6300100010
GETTYS 120-166-005 NSFP 120166005
TEXAS INSTRUMENTS PLC 500-5848 USPP 5005848
TEXAS INSTRUMENTS PLC 305-5DAC NSPP 3055DAC
ASEA BROWN BOVERI NBRA-658C USPP NBRA658C
Panasonic AC Servo Motor MDMS022C2D1S Free Ship
Panasonic 1kW AC Servo Driver MDDA103A1A Free Ship
Texas Instruments iMan VME Interface II 01-31073-104A Board *60 DAYS WARRANTY!*
ASEA BROWN BOVERI ACS501-005-4-00P5 USPP ACS5010005400P5
TEXAS INSTRUMENTS PLC 510-3103 USPP 5103103
Texas Instruments 500-5033
TEXAS INSTRUMENTS PLC 5TI-1034-1 USPP 5TI10341
USED Perceptron 96K DSP Frame Grabber 495-0191 Rev R
TEXAS INSTRUMENTS PLC 505-4032A NSFP 5054032A
ADEPT TECH 100 USPP 100
TEXAS INSTRUMENTS PLC 505-5103 NSFP 5055103
TEXAS INSTRUMENTS PLC PM550-112 USPP PM550112
PANASONIC AC SERVO DRIVER ADKA100GVTAAA CNC
Panasonic MUDB04***1R02 400W AC Servo Drive Amplifier
ASEA BROWN BOVERI PHBDIO40010000 NSFP PHBDIO40010000
SIEMENS 6SE6-400-4BD24-0FA0 NSFP 6SE64004BD240FA0
ASEA BROWN BOVERI 3HAB-2206-1/1 USPP 3HAB220611
LUCENT TECHNOLOGIES D-CI-B2 USPP DCIB2
TEXAS INSTRUMENTS PLC 500-5026 NSFP 5005026
PERCEPTRON 916-4128 DIGITAL CONTOUR SENSOR TRICAM
ABB ASEA BROWN BOVERI QIPA-121 CONTROL UNIT PRESSDUCTOR PILLOW BLOCK 57306
ALLEN BRADLEY 2706-F11J USPP 2706F11J