ABB Ability 800xA Series, Руководство пользователя

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The time to get OPC properties data is longer the first time a display is brought up
after a clean-up of the OPC property cache, but will be optimized the next time
the same display is brought up.
Remote Access Server Advanced Configuration Section 3 Configuration
34 3BSE037076-510 D
client against the provider, even if an unauthorized user gets physical access to the
network.
If a user wants to change the password, the old password must be given before a new
password is accepted. A user with administrative rights can change the password.
The remote access server caches information about OPC properties to speed up data
subscription setup. If the set of uploaded object changes will this cache still contain
information about the previous set of object. To optimize the data subscription time
may the OPC property cache be cleaned by pressing the Clear OPC cache button.
Encrypting the traffic between the Remote Access Server and Remote Access
Client will result in a not noticeable performance decrease.
Figure 14. Change Password Dialog Box