Relay Messages; Keypad Operation - GE 750 Instruction Manual

Relay Messages

Keypad Operation

GE Multilin
Relay Messages
The 750/760 display messages are organized into Main Menus, Pages, and Sub-
pages. There are three main menus labeled Setpoints, Actual Values, and Target
Messages.
Pressing the MENU key followed by the MESSAGE
Menu headers, which appear in sequence as follows:
SETPOINTS
ACTUAL VALUES
TARGET MESSAGES [ ]
Pressing the MESSAGE key or the ENTER key from these Main Menu pages will display
the corresponding menu Page. Use the MESSAGE
through the Page headers.
When the display shows
SETPOINTS
display the page headers of programmable parameters (referred to as setpoints in
the manual). When the display shows
the ENTER key displays the page headers of measured parameters (referred to as
actual values in the manual). When the display shows
the MESSAGE key or the ENTER key displays the page headers of event messages or
alarm conditions.
Each page is broken down further into logical sub-pages of messages. The
MESSAGE and MESSAGE
summary of the setpoints and actual values pages can be found in the Chapters 5:
Setpoints and 6: Actual Values, respectively.
The ENTER key is dual purpose. It is used to enter the sub-pages and to store altered
setpoint values into memory to complete the change. The MESSAGE
used to enter sub-pages but not to store altered setpoints.
The ESCAPE key is also dual purpose. It is used to exit the sub-pages and to cancel a
setpoint change. The MESSAGE
cancel setpoint changes.
The VALUE keys are used to scroll through the possible choices of an enumerated
setpoint. They also decrement and increment numerical setpoints. Numerical
setpoints may also be entered through the numeric keypad.
The HELP key may be pressed at any time to display a list of context sensitive help
messages. Continue to press the HELP key to display all the help messages and
return to the original display.
The RESET key resets any latched conditions that are not presently active. This
includes resetting latched output relays, latched Trip LEDs, breaker operation
failure, and trip / close coil failures. The 760 Autoreclose Scheme is also reset with
the shot counter being returned to zero and the lockout condition being cleared.
The MESSAGE and MESSAGE
Diagnostic messages are displayed indicating the state of protection and monitoring
elements that are picked up, operating, or latched. When the Message LED is on
there are messages to be viewed with the MENU key by selecting target messages as
described earlier.
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key scrolls through the three Main
[ ]
[ ]
and MESSAGE
, pressing the MESSAGE
, pressing the MESSAGE
ACTUAL VALUES
keys are used to navigate through the sub-pages. A
key can also be used to exit sub-pages and to
keys scroll through any active conditions in the relay.
750/760
Feeder Management Relay
keys to scroll
key or the ENTER key will
key or
, pressing
TARGET MESSAGES
key can also be
4–5