1–6
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 1: GETTING STARTED
Pressing the
MESSAGE
T
or
MESSAGE
S
keys will scroll the display up and down
through the sub-page headers. Pressing the
W
MESSAGE
or
ESCAPE
key at any sub-
page heading will return the display to the heading of the corresponding setpoint or
actual value page, and pressing it again, will return the display to the main menu
header.
Z
Press the
MESSAGE
T
key until the
DEMAND METERING
sub-page
heading appears.
At this point, pressing
MESSAGE
X
or
ENTER
key will display the messages under this
sub-page. If instead you press the
MESSAGE
S
key, it will return to the previous sub-
page heading. In this case,
When the symbols
and
[
Z
]
appear on the top line, it indicates that additional sub-
pages are available and can be accessed by pressing the
MESSAGE
X
or
ENTER
key.
Z
Press the
MESSAGE
X
or
ENTER
while at the Demand Metering sub-
page heading to display the following:
Z
Press
W
MESSAGE
key to return to the Demand Metering sub-page
heading.
Z
Press the
MESSAGE
T
key to display the next actual value of this sub-
page.
Actual values and setpoints messages always have a colon separating
the name of the value and the actual value or setpoint. This particular
message displays the current demand as measured by the relay.
The menu path to the value shown above is indicated as
A2 METERING DATA
ZV
DEMAND
METERING
Z
CURRENT DEMAND
. Setpoints and actual values messages are referred to in
this manner throughout the manual.
For example, the
A4 MAINTENANCE
Z
TRIP COUNTERS
Z
TOTAL NUMBER OF TRIPS
path
representation describes the following key-press sequence:
Z
Press the
MENU
key until the actual value header appears on the display.
Z
Press
MESSAGE
X
or the
ENTER
key, and then
MESSAGE
T
key until
the
A4 MAINTENANCE
message is displayed.
DEMAND
[
Z
]
METERING
TEMPERATURE
[
Z
]
CURRENT
DEMAND:
0 Amps
ACTUAL VALUES
[
Z
]
ACTUAL VALUES
[
Z
]
A4 MAINTENANCE
