6 message scratchpad, Message scratchpad -10 – GE 489 User Manual

Page 60

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4-10

489 Generator Management Relay

GE Multilin

4.2 S1 489 SETUP

4 SETPOINTS

The 489 displays default messages after a period of keypad inactivity. Up to 20 default messages can be selected for dis-
play. If more than one message is chosen, they will automatically scroll at a rate determined by the

S1 489 SETUP

ÖØ

PREF-

ERENCES

DEFAULT MESSAGE CYCLE TIME

setpoint. Any actual value can be selected for display. In addition, up to 5 user-

programmable messages can be created and displayed with the message scratchpad. For example, the relay could be set
to alternately scan a generator identification message, the current in each phase, and the hottest stator RTD. Currently
selected default messages can be viewed in

DEFAULT MESSAGES

subgroup.

Default messages can be added to the end of the default message list, as follows:

Enter the correct passcode at

S1 489 SETUP

PASSCODE

ENTER PASSCODE FOR ACCESS

to allow setpoint entry

(unless it has already been entered or is "0", defeating the passcode security feature).

Select the message to be add to the default message list using the

and

keys. The selected mes-

sage can be any Actual Value or Message Scratchpad message.

Press .

The

PRESS [ENTER] TO ADD DEFAULT MESSAGES

message will be displayed for 5 seconds:

Press

again while this message is displayed to add the current message to the end of the default message list.

If the procedure was followed correctly, the

DEFAULT MESSAGE HAS BEEN ADDED

flash message is displayed:

To verify that the message was added, view the last message under the

S1 489 SETUP

ÖØ

DEFAULT MESSAGES

menu.

Default messages can be removed from the default message list, as follows:

Enter the correct passcode at

S1 489 SETUP

PASSCODE

ENTER PASSCODE FOR ACCESS

to allow setpoint entry

(unless the passcode has already been entered or unless the passcode is "0" defeating the passcode security feature).

Select the message to remove from the default message list under the

S1 489 SETUP

ÖØ

DEFAULT MESSAGES

menu.

Select the default message to remove and press

. The relay will display

PRESS [ENTER] TO REMOVE MESSAGE

Press

while this message is displayed to remove the current message out of the default message list.

If the procedure was followed correctly, the

DEFAULT MESSAGE HAS BEEN REVOVED

flash message is displayed.

4.2.6 MESSAGE SCRATCHPAD

PATH: SETPOINTS

S1 489 SETUP

ÖØ

MESSAGE SCRATCHPAD

Up to 5 message screens can be programmed under the Message Scratchpad area. These messages may be notes that
pertain to the installation of the generator. In addition, these notes may be selected for scanning during default message
display. This might be useful for reminding operators to perform certain tasks. The messages may be entered from the
communications ports or through the keypad. To enter a 40 character message:

Select the user message to be changed.

Press the decimal [.] key to enter text mode. An underscore cursor will appear under the first character.

Use the

and

keys to display the desired character. A space is selected like a character.

Press the [.] key to advance to the next character. To skip over a character press the [.] key. If an incorrect character is
accidentally stored, press the [.] key enough times to scroll the cursor around to the character.

When the desired message is displayed press the

key to store or the

key to abort. The message is now

permanently stored. Press

to cancel the altered message.

MESSAGE SCRATCHPAD
[ENTER] for more

TEXT 1