Description
系统组态修改：在系统运行过程中，尽量避免组态修改。由于某些原因必须进行系统组态修改并下装后，应及时进行系统备份，以避免在硬盘故障不能恢复时出现的控制器实时数据库与工程师站备份数据库不匹配问题，从而带来数据库拒绝修改的严重后果，这时就只能通过离线下载解决了
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