Cooper Lighting Low Impedance Bus Differential Relay M-LIB3 - Manual (Page 25)

S150-34-1
25
6.5 CONTROLS AND MEASUREMENTS
Five key buttons allow for local management of all of the relay's functions.
An 8-digit high brightness alphanumerical display shows the relevant readings (xxxxxxxx)
(see synoptic table fig.1)
FIG.1
MEASURES
MAX VAL
LastTr-X
TRIP NUM
ACT MEAS Actual measuremant values
Max. values measured
Recording of last five events
N° of tripping for each function
Measurements
display
SET DISP
SETTINGS
F → RELAY
Display of setting
Display of configuration of output relay
Setting Program
display
PROGR
SETTINGS
F → RELAY
Setting of parameters
Configuration of output relays
Set Programming
PROG
TEST PRG
W/O TRIP
WithTRIP
Functional Test
Test with operation of signals and output relays
Test with operation of signals only
Test activation
by the key ENTER
Paramater scanning
by the key
SELECT
Parameter modification
by the key “+” “-”
Set validation
by the key ENTER
Scanning of
the menus by
the key
“+” “-”
MODE SELECT ENTER + -
(*) Enabled only if input current is zero
(*)
(*)
ENTER/RESET
MODE SELECT
+
-
PROG.
The SELECT button chooses
which category of values within
the chosen mode to display
Pressing this button
progressively selects between
Measurements Display,
Setting Display, Programming,
and Test modes
When in Program mode, this
button stores the newly
selected value. If not in
Program mode and the relay
has tripped, this button resets
the relay and all output
contacts. If not tripped, this
The + and - buttons are used to
select the actual measurement
or display desired when in
Measurements Display or
Settings
Display modes. When in
Program mode, these buttons
increase or decrease the value
When in Program mode, and
when all input currents are
zero, pressing this recessed
button places the relay into
active programming mode,
allowing any or all of the relay’s
settings to be altered.