为了排除人为干扰、提高可靠性,采集数据以可编程逻辑控制器为核心,通过现场总线和以太网的多层网络传送至数据库中。
To avoid interfering by work, data were sampled through a multi-layers network which synthesize the field-bus and Ethernet and center on programmable logic controller.
该方法将PCI总线接口和控制逻辑集成于一片FPGA中,提高了系统的集成度和可移植性。
The method which integrates PCI bus interface and control logic into a FPGA chip improves the integration density and transplantation of system.
PXA270处理器负责控制逻辑的运行,产生和处理CAN总线传递的数据信息。
PXA270 runs the system control logic, generate and dispose the data message transmitted by CAN bus.
在设计上除模拟控制及总线驱动等器件外,尽量采用FPGA来实现控制逻辑以提供应用平台的可扩展性。
Except for the analogue controlling and bus driving devices, we use FPGA to implement controlling logic in order to provide expansibility of application platform.
该系统采用IEEE488总线和可编程逻辑控制,大大提高了系统的自动化程度。
The system adopts the IEEE488 bus and PLC control, greatly improves its automation.
此外,对测量模块的总线通信工作原理及控制逻辑实现也作了具体讨论。
In addition, this paper discusses the principle of bus communication and logic control in detail.
完成了一种基于WISHBONE总线的GPIO_WB控制器的逻辑设计和物理实现。
The logic design and physical implementation of a GPIO_WB controller based on WISHBONE Bus are achieved.
实际运行情况表明:该系统集数字逻辑控制同复杂算法控制于一体,融会总线网络技术,较一般控制系统具备更强的适应能力和控制品质。
Practice indicate that this system have more adaptive ability and control qualities than the ordinary control system, which integrate digital logic and compound algorithm and bus network technique.
该系统采用CPLD实现了DSP与多通道adc的逻辑和时序控制,通过DSP的HPI与PCI总线接口设计实现了采集数据的高速传输。
The system utilizes CPLD to realize logical and timing control between DSP and multi-channel ADC. The interface between DSP's HPI and PCI bus is employed to achieve high-speed data transmission.
控制器的逻辑单元为多cpu网络体系,体系内各智能化功能模块通过CAN总线互联,实现模块间的数据交换和多cpu协同工作。
The logic elements in controller are multiple CPU network setup. Individual intelligent functional modules are interconnected by CAN bus for data exchanging and multiple CPU cooperating.
现有的PCI总线控制器的实现方法有:采用专用芯片和可编程逻辑芯片。
Now there are two methods to realize the PCI Controller circuit, which are the special chip and the programming logic chip.
本文介绍了基于PLC与现场总线的低混杂波高压电源逻辑控制保护监控系统。
This paper introduces the logical control protective and monitor system of the lower hybrid current drive (LHCD) high-voltage power supply based on PLC and PROFIBUS.
本文研究设计了基于多功能车辆总线的机车逻辑控制单元,讨论了列车通信网络实时协议的实现。
This dissertation researched and designed the locomotive LCU based on MVB, discussed the realization of real-time protocol of TCN.
介绍了总线控制器pci9054的桥式作用、用可编程逻辑器件模拟LOCAL总线侧cpu的设计、EEPROM的配置以及总线的数据传输操作过程,然后在此基础上给出了数据采集系统的设计。
It includes that the bus controller PCI9054 action, the simulation of the CPU design with CPLD on the LOCAL bus side, configuration of EEPROM and the bus operation of the data transmission.
基于工控机平台,利用CAN总线,PCI-1712数字采集卡和PCL-724可编程逻辑控制器开发了用于检测GD-2ECU硬件可靠性的检测系统。
This paper introduces a reliability diagnosis system specially for GD-2ECU on platform of industrial computer with the help of the CAN card, ADVANTECH's PCI-1712 card and PCL-724 card.
基于工控机平台,利用CAN总线,PCI-1712数字采集卡和PCL-724可编程逻辑控制器开发了用于检测GD-2ECU硬件可靠性的检测系统。
This paper introduces a reliability diagnosis system specially for GD-2ECU on platform of industrial computer with the help of the CAN card, ADVANTECH's PCI-1712 card and PCL-724 card.
应用推荐