数据记录单元完成数据采集，把信号源发送的模拟量数据、并行和串行数字量数据、并行和串行图形数据记录到存储设备的CF卡上。
Data record unit complete data acquisition, which records analog quantity data, parallel and serial digital data, parallel and serial graphic data from the signal source to CF card.
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。
The sampling and filtering methods with PLC for digital and analog signals are described in the article.
计算机可直接对数字量进行处理，对于模拟量需将其转换为数字量后才能被计算机接受。
Though the computer can process the digital signals, the analog signals to be processed by computer must be converted into the digital ones.
应用推荐