Systematic and punctual equipment is an effec-tive measure to increase the service life,reduce the failure rate and improve production efficiency. Equipment operation information of each maintenance unit could be collected by controller online instantly which will be transmitted to the maintenance information management system through serial extraction processing by the computer. Maintenance infor-mation management system generates maintenance and in-spection tasks according to the preset maintenance and in-spection plans,and manages the completion of various tasks,inspection reports,downtime information as well as the consumption of the spare parts integrated.%有计划并按时对设备进行维护保养是提高设备使用寿命、降低故障率、提高生产效率的有效措施。采用可编程控制器在线实时采集设备各保养单元的运行信息，由计算机通过串口提取这些信息并进行处理后，传输给保养信息管理系统。保养信息管理系统按照预设的保养、点检计划生成保养、点检任务，并对各种任务的完成情况、检修报告、停机信息以及备件的消耗情况进行综合管理。
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