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5-18 489 Generator Management Relay

GE Power Management

5.4 A3 LEARNED DATA 5 ACTUAL VALUES

5.4.3 ANALOG IN MIN/MAX

The 489 learns the minimum and maximum values of the analog inputs since they were last cleared. This information can

be cleared using the

S1 489 SETUP \ CLEAR DATA \ CLEAR ANALOG I/P MIN/MAX

setpoint. When the data is cleared, the present

value of each analog input will be loaded as a starting point for both minimum and maximum. The name of the input and the

units will reflect those programmed for each input. Analog Input minimums and maximums will not update if a digital input

programmed as Test Input is shorted.

If no Analog Inputs are programmed in the

S11 ANALOG I/O

setpoints menu, the

THIS FEATURE NOT PROGRAMMED

flash

message will appear when an attempt is made to enter this group of messages.



ANALOG IN MIN/MAX



[ENTER] for more

ANALOG I/P 1

MIN: O Units

Range: –50000 to 50000. Not seen if Analog Input is

programmed as None. Message reflects Analog

Input Name as programmed.

ANALOG I/P 1

MAX: 0 Units