Front Panel Operation - ABB REL 301 Instruction Leaflet

I.L. 40-386.4
4.4.2.1

Front Panel Operation

There are five different modes, described below:
MODE
SETTINGS
METERING
LAST-FAULT
PREVIOUS-FAULT
TEST
By keeping the SELECT push-button depressed, the list of modes is scrolled in the sequence
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]
[P-FLT]
[TEST]
In this mode, functions and their values can be scrolled or changed. See
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 corresponding VALUE displayed on the second line can
Set time
be changed by pressing the ENTER push-button once. An underscore dash will then
flash alternatively between the first and last characters on the second line. At this point,
Set time
—
other 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 updated 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 up-
dating 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
ing. This includes all phase currents and voltages with their angle referred to V
conditions such as loss-of-potential, loss-of-current and out-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
—
Table
METER
0.0A
Table
4-2, page 4-18, for complete list-
4-1, for
,
AG