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analog signals
    Infrared Transmission and Collection of Analog Signals
    模拟量信号的红外传输与采集
    System Structure of Telegraph Recorder OL-100 and Re-adjustment of Its Parameters and Analog Signals
    OL-100车钟记录仪的系统结构和参数及模拟量信号的重新设定
    When this resistor is turned on, the steadied-wave board works on exaggerated current state, then measure and test whether conform with the design requirements. The MCU system mainly tests 10 pieces of analog signals, including 15V,24V and 48V voltages form the Z157, and 5V,±15V,±24V voltages form the Z33. In general, it is more suitable to select ADC0816 for use.
    需要检测的模拟量信号共10路,包括主电路上两个电压值,斩波板(Z157)负载上15V、24V和48V等3个输出电压值,以及斩波板(Z33)负载上5V、±15V和±24V等5个输出电压值。
    In order to automatically test multi-channel analog signals and switching signals,an intelligent testing instrument based on MSP430F149 MCU is designed.
    为了实现对某大型机电设备的多路模拟量信号和开关量信号的自动测试,设计了基于MSP430F149单片机的智能测试仪器。
    During the design of the system, the system is required not only to deal with numerous analog signals which include multi-channel 400 Hz AC signals with high real-time request, but also to realize the manage and control of more than 200 channels data signals.
    课题在设计过程中,要求系统不仅要处理包含对实时处理要求较高的400Hz交流信号在内的的多路模拟量信号,还要求系统实现对多达200多路的数字量的管理和控制。
    Summarily, they include various analog signals, digital signals, signals defined in IEC 61162 series, pulse signals, audio signals and video signals.
    概括起来就是各种模拟量信号、开关量信号、61162格式的串口信号、脉冲信号以及音频信号和视频信号。
    Therefore, this device must design analog signals generator, digital signals generator, series signals generator, pulse signals generator, audio signals generator, and video signals generator.
    因而本装置包括模拟量信号发生器、开关量信号发生器、串口信号发生器、脉冲信号发生器、正弦信号发生器、音频信号发生器和图像信号发生器。
    In the inferior hardware system, it is used PLC (Programmable Logical Controller) to collect and manage the numeral signals, analog signals, pulse signals and to communicate with the level indicator based on RS485 and also to control the pumps and valves.
    在下位机控制系统中,通过PLC(可编程逻辑控制器)来采集与处理现场数字量信号、模拟量信号以及脉冲信号,采用RS485协议与液位仪二次表通信读取数据,实现对泵和电动阀的自动控制。
    With the fast and powerful data processing ability of the DSP controller and the abundant and configurable programing I/O resources and the programmable capability of the FPGA, the system can accomplish all the tasks beter, such as conditioning multiple analog signals and the control and management of multiple digital signals. Software development of the system grounds on the μC/OS-II.
    ELMC设计采用DSP控制器和FPGA相结合的硬件平台,充分利用了DSP芯片高速和强大的数据处理能力及FPGA芯片众多I/O资源,且可以自由编程的特点,完成系统实时处理多路模拟量信号和多路的数字量的管理和控制。
    As paper presents an intacted spstem,including data acqchition circuits and signal output amplification circuits for duplicating load cyCles of ordinary agricultural implements. The system could measure 8 analog signals,2 phase shift signals,4 digital signals. It could output 2 simulated load cycles simutaneously and carry out feedback control on the 2 cycles.
    本文以SCB-31一5(Ⅱ)单片机控制板和通用键盘显示板为主体,设计并完成了常规农机具的工作参数测试和负荷再现信号输出硬件电路,形成了完整的农机具负荷再现试验微机监控硬件系统.可以测试8路模拟量信号、2路相位移信号、4个数字脉冲信号,能够同时输出2路负荷再现信号,并能对负荷再现进行反馈控制.
    The system can collect digital and analog signals and control parameters at multiple collecting points based on pre set logic relations and limit their changes within pre determined range.
    该系统能实现对开关量信号和模拟量信号的采集,并能根据预先设置的逻辑关系,对各个采集点的参数进行控制,使其在指定的范围内变化。
    By this method, the laser source used as the optical position input signal of, PSD and the output analog signals of the PSD are related to the positions of the four corners of the carriage. After A/D conversion and operation by microcomputer the result of horizontal deviation is obtained.
    具体介绍以激光源作为PSD的光位置输入信号,使PSD输出与厢体四角位置有关的模拟量信号,然后经A/D转换及微机技术运算,得出水平偏差的结果。
    This paper expatriated on link of telegraph recorder OL-100 and outer transmitters and the inner hardware models, and introduced the re-adjustment of parameters and analog signals after repairing of the recorder. There is value of consulting and practical for marine electrical management staff.
    此文阐明了车钟记录仪OL-100与外部变送器的连接和内部硬件模块,着重介绍记录仪系统硬件检修后的参数和模拟量信号的重新设定,对船舶电气管理人员有一定的参考和实用价值。
    Hence, a technical retrofit has been carried out, having revised the transmitting mode and the cycle time of original switching and analog signals, averaging the load of various subsystem for DCS, converting partial onsite PLC control into DCS control, enhancing the automatic level and operation reliability of the unit.
    对原有开关量及模拟量信号的发送方式及周期进行修改 ,均衡DCS各子系统负荷 ,把部分就地PLC控制改为DCS控制 ,提高了机组的自动化水平和运行可靠性
    The sampling and filtering methods with PLC for digital and analog signals are described in the article.
    介绍PLC对数字量信号和模拟量信号的采样和滤波处理方法.
    A solution to the automatic control system of delaying arc charge circuit based on RTOS and PLC is introduced in this paper. In addition, several special analog signals and the modulation method of the signals are analyzed.
    介绍了基于实时操作系统(RTOS)和可编程控制器 (PLC)的延弧充电回路自动控制系统的解决方案,并对方案中几处特殊模拟量信号以及对它们调理转换的实现方法进行了数学分析。
    PLC is used to decide the status of parts' movement by using the switch signals,control or adjust the parameters of temperature and hydraulic system by using the analog signals.
    通过模拟量信号来控制和调节液压系统的压力和温度等参数;
 

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