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I.L. 40-386.3
4.4.2.1
Front Panel Operation
There are five different modes, described below:
MODE
SETTINGS
METERING
LAST-FAULT
PREVIOUS-FAULT[P-FLT]
TEST
By keeping the SELECT push-button depressed, the list of modes is scrolled in the se-
quence shown above, at a one second rate. For each selected mode, the corresponding
functions can be scanned (also every second) with the LOWER or RAISE push-buttons.
a. SETTING MODE
b. METERING MODE
4-4
As Displayed
[SET]
[METER]
[L-FLT]
[TEST]
In this mode, functions and their values can be scrolled or changed. See Table
4-1, page 4-14, for complete listing. The function (shown on the top left of the
display), can be scrolled by continuously depressing either the LOWER or
RAISE push-button, depending on the desired scrolling direction. The corre-
Set time
sponding value displayed on the second line can be changed by pressing the
ENTER push-button once. An underscore dash will then flash alternatively be-
tween the first and last characters on the second line. At this point, other
Set time
—
values for the same function can be scrolled through by depressing the LOWER
or RAISE push-button. When the desired value is reached, select it by pressing
ENTER until VALUE UPDATED shows on the display. After the value is updat-
ed the system then returns to the function scroll state.
In order to restore the original value while in the middle of the scrolling values,
press SELECT instead of ENTER, the system returns to the function scroll
state, without updating the setting. In the function scroll state, a jump to the
next mode is performed by pressing SELECT.
In this mode, all metered data is displayed. See Table 4-2, page 4-18, for com-
plete listing. This includes all phase currents and voltages with their angle
referred to V
, conditions such as loss-of-potential, loss-of-current and out-
AG
of-step blocking and also the present time. Depending on the Read Out setting,
the currents and voltages are shown either in primary or secondary side units.
IA :
SET
No
SET
No
—
METER
0.0A
(10/94)
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