# Operation Log
In order to help users monitor the device and plant operation status and manage sub-users, this platform provides device logs, plant logs and sub-user logs.
# Device Log
Device log is records of operations performed by users on the device. A user can search for related operation records by operation type, operation status, operation content, operation time, operator, and equipment type.
# Plant Log
Device log is records of user's operations on the plant. Users can search for relevant operation records by operation type, operation time, operator, and plant name.
# Sub-User Log
Sub-User log is records of the operations performed by the master user on the sub-users. Users can search for relevant operation records by operation type, operation time, and operator.


