阐述了电动车组车厢功能级微机网络控制单元xdu的模拟量输入模块的设计思路、技术实现以及硬件配置。
Described are the design thought, technical implement and hardware disposition of the analog input module for the microcomputer network control unit XDU of the car function grade on EMUs.
用PLC模块构成多路模拟量巡检，用动态I/O模块实现LED显示及扫描键盘按钮，使系统具有较高的经济性。
This system has high economy because of using itinerant monitor to analogy signals that made by PLC modules, using LED display and scan keyboard as press buttons that made by PLC dynamic I/O modules.
介绍由at89c52、RAM、AD574、电源电路、模拟量输入采集处理等模块组成的数据采集系统。
The data acquisition system was introduced which was composed of AT89C52, RAM, AD574, power circuit, analog quantity input acquisition module, etc.
远程控制模块实现远程模拟量对阀门开度大小的控制及远程开关量对阀门全开、全关的控制。
The remote control module controls the opening of valve by simulant signal. It also controls the open and the close of the valve by on-off signal.
本方案与S7200原厂模拟量采集模块相比，应用成本大幅度降低。
Compared with the original analog signal acquisition module of S7200, the cost of application is decreased greatly.
根据IEC61508对可编程逻辑器件功能安全的要求，提出基于ARM的模拟量输入模块的安全设计。
Aiming at the functional safe demands of programmable electronic systems in IEC61508, this paper proposes the safe design of Analog Input (AI) module based on ARM Microprocessor.
本文介绍了在空调客车微机实时集中监测系统中，利用RS485模块进行系统数字量和模拟量采集的方法。
This paper introduces a method that how to gather analogue or digital data in Micro-computer Centralized Real-time Monitoring System used in Air -condition Passenger Train using RS485 modules.
为使这些模拟量或非标准数字协议输出的仪表升级为HART型智能仪表，一般需要定制与之相配套的电子部件或HART协议扩展模块。
If we want to update those analog or non-digital instruments to HART instruments, typically a kind of HART protocol expanding module (electric module) should be custom-designed for them.
系统的硬件采样部分由数据采集模块(包括模拟量输入模块和数字量输入模块)构成，各模块间以RS- 485总线形式进行连接。
The hardware sampling unit of the monitor system is constituted by the data gathering module, including digital input module and analog input module, which are connected by the RS-485 main line form.
PLC配合各种模拟量输入输出模块可以对温度、压力、流量等参数进行控制。
PLC can control parameters such as temperature, pressure, flux, etc. by various I/O modules.
PLC下位机作为PC上位机和双丝埋弧焊现场设备的桥梁，选取了基本模块和模拟量输入输出特殊模块。
PLC as a bridge between the PC and basic equipment about the twin-wire SAW, has chosen basic and special module for the lower machine designing.
PLC下位机作为PC上位机和双丝埋弧焊现场设备的桥梁，选取了基本模块和模拟量输入输出特殊模块。
PLC as a bridge between the PC and basic equipment about the twin-wire SAW, has chosen basic and special module for the lower machine designing.
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