Selecting Local Or Remote Use - ABB RELION REX640 Operation Manual

1MRS759118 A
4.3
REX640
Operation Manual
GUID-451F8864-473A-4032-B374-EA56D822C709 V2 EN
Figure 12: Logging out
Changing the password causes immediate logout.
If the LHMI and the protection relay have not been paired and there is
no user activity for the duration set in Configuration/Web HMI
timeout, the LHMI session is logged out. By default, the timeout
duration is three minutes.

Selecting local or remote use

In local position, the primary equipment, such as circuit breakers or disconnectors, can
be controlled via the LHMI. In remote position, control operations are possible only
from a higher level, that is from a control center.
The control position of the protection relay can be changed via the Local/Remote
dialog box.
1. Tap the menu button.
2. Tap the selection button alongside the L/R State text.
3. Select Off, Local or Remote.
Section 4
Using local HMI
35