GE G60 UR Series, Instruction Manual

Page: 126 / 634

4-24 G60 Generator Protection System GE Multilin
4.3 FACEPLATE INTERFACE 4 HUMAN INTERFACES
4
c) FACEPLATE (USER KEY) CONTROL
After the 30 minute interval during which command functions are permitted after a correct command password, the user
cannot open or close a breaker via the keypad. The following discussions begin from the not-permitted state.
d) CONTROL OF TWO BREAKERS
For the following example setup, the
(Name)
field represents the user-programmed variable name.
For this application (setup shown below), the relay is connected and programmed for both breaker 1 and breaker 2. The
USER 1 key performs the selection of which breaker is to be operated by the USER 2 and USER 3 keys. The USER 2 key
is used to manually close the breaker and the USER 3 key is used to manually open the breaker.
e) CONTROL OF ONE BREAKER
For this application the relay is connected and programmed for breaker 1 only. Operation for this application is identical to
that described above for two breakers.
4.3.7 MENUS
a) NAVIGATION
Press the MENU key to select the desired header display page (top-level menu). The header title appears momentarily fol-
lowed by a header display page menu item. Each press of the MENU key advances through the following main heading
pages:
• Actual values.
• Settings.
• Commands.
• Targets.
• User displays (when enabled).
ENTER COMMAND
PASSWORD
This message appears when the USER 1, USER 2, or USER 3 key is pressed and a
COMMAND PASSWORD
is required; i.e. if
COMMAND PASSWORD
is enabled and no com-
mands have been issued within the last 30 minutes.
Press USER 1
To Select Breaker
This message appears if the correct password is entered or if none is required. This mes-
sage will be maintained for 30 seconds or until the USER 1 key is pressed again.
BKR1-(Name) SELECTED
USER 2=CLS/USER 3=OP
This message is displayed after the USER 1 key is pressed for the second time. Three
possible actions can be performed from this state within 30 seconds as per items
(1) , (2)
and (3) below:
(1)
USER 2 OFF/ON
To Close BKR1-(Name)
If the USER 2 key is pressed, this message appears for 20 seconds. If the USER 2 key is
pressed again within that time, a signal is created that can be programmed to operate an
output relay to close breaker 1.
(2)
USER 3 OFF/ON
To Open BKR1-(Name)
If the USER 3 key is pressed, this message appears for 20 seconds. If the USER 3 key is
pressed again within that time, a signal is created that can be programmed to operate an
output relay to open breaker 1.
(3)
BKR2-(Name) SELECTED
USER 2=CLS/USER 3=OP
If the USER 1 key is pressed at this step, this message appears showing that a different
breaker is selected. Three possible actions can be performed from this state as per
(1) ,
(2) and (3) . Repeatedly pressing the USER 1 key alternates between available breakers.
Pressing keys other than USER 1, 2 or 3 at any time aborts the breaker control function.