sepam 20 user manual - Schneider Electric

7
Use UMI on front panel
Presentation
Basic UMI
This UMI includes:
b 2 LEDs indicating Sepam operating status:
v green "on" LED: device on
v red LED: device unavailable (initialization phase
or detection of internal failure)
b 9 parameterizable yellow LEDs, fitted with a
standard label (with SFT2841, a customized label can
be printed on a laser printer)
reset
b key for clearing faults and resetting
b 1 connection port for the link with the PC (CCA783
cord); the connector is protected by a sliding cover.
Fixed or remote advanced UMI
In addition to the basic UMI functions, this version
provides:
b A "graphic" LCD display for the display of
measurements, parameter/protection settings, and
alarm and operating messages.
The number of lines, size of characters and symbols
are in accordance with the screens and language
versions.
The LCD display retrolighting can be activated by
pressing a key.
b A 9-key keypad with 2 operating modes
v white keys for current operation:
display of measurements
display of "switchgear, network diagnosis" data
display of alarm messages
resetting
acknowledgment and clearing of alarms
v blue keys activated in parameter and protection
setting mode:
access to protection settings
access to Sepam parameter settings including date
and time (1)
1
2
3
4
5
7
8
9 used to enter the 2 passwords
required to change protection and parameter settings.
reset
The , , ( 4 , 5 , 6 ) keys are used
to browse through the menus, and to scroll and accept
the values displayed.
6
"lamp test" keys:
switching on sequence of all the LEDs.
(1) Date/time saved in case the auxiliary power supply fails
(< 24 hours).
7/12
MT10817
MT10822
on I>51 I >> 51 Io > 51N Io >> 51N
on I>51 I> > 51 Io > 51N Io >> 51N ext
0 off
9
ext
I1= 162A RMS
I2= 161A RMS
I3= 163A RMS
8
7
6
clear
5
0 off I on Trip
I on
reset
4
reset
Trip
1
2
3
PCRED301005EN - 06/2008