pasa人力资源考勤管理系统，可连接IC卡考勤机采集数据，可对中小企业人事考勤自动化管理。采用delphi5.0开发环境。-Attendance pasa human resources management system, can be connected IC card machine collecting attendance data, personnel attendance of small and medium-sized automation management. Using

研华4711a数据采集卡输出和输入界面，能够采集电压电流信号，能够输出电压和可调的频率的脉冲信号-Advantech Data Acquisition Card 4711a output and input interface, to collect voltage and current signals to the output voltage and adjustable frequency pulse signal