Using The Test Generator; Shutting Down The Test Generator; Installation Mode - ABB RELION REB500 Operation Manual

Section 4
HMI500
4.8.1.1

Using the test generator

In order to set or reset binary inputs and outputs using the test generator, it is necessary to open the
Status of binary inputs/outputs dialog box. Providing the test mode is active, the status of an input or
output can be changed by simply double-clicking on it.
Regardless of whether they are logical 0 or logical 1, inputs and outputs are normally green, those with
impressed statuses yellow and invalid ones red. Impressed statuses are green after the display is
refreshed.
IEC18000549 V1 EN-US
Figure 58:
4.8.1.2

Shutting down the test generator

The test generator is deactivated by clicking on the menu item Test mode a second time. All the relays
are then restored to their original statuses, any latching is reset and blocking by the test generator is
cancelled.
4.8.2

Installation mode

This mode is activated by opening the Testing menu, selecting Installation mode.
70
Blocking by the test generator takes precedence over all other functions, that is neither a
protection function nor an External TRIP signal can initiate a trip.
Unblocking by the test generator takes precedence over all other functions, that is
blocking by an isolator alarm or differential current alarm or a signal applied to an
optocoupler input is cancelled.
Statuses of binary inputs and outputs in the test mode13000018
© 2020 - 2022 Hitachi Energy. All rights reserved
1MRK 500 132-UUS Rev. B
GUID-410CD337-7FCA-41A6-8869-57F0B485FC1C v1
13000018-IEC18000549-1-en.vsdx
GUID-D975DC05-8B3F-45CB-B31E-8606D94801E2 v1
GUID-1630DAE1-FC3B-4091-883F-8F403282C653 v3
Distributed busbar protection REB500
Operation manual