sepam 20 user manual - Schneider Electric

7
Use Advanced UMI
Data entry principles
Use of passwords
Sepam has two 4-digit passwords.
b The first password, symbolized by a key, is used to
modify the protection settings
b The second password, symbolized by two keys, is
used to modify the protection settings and all the
general settings.
The 2 factory-set passwords are: 0000
MT10816
Entry of passwords
Press the key to display the following screen:
reset
Press the key to position the cursor on the first digit
0 X X X
Scroll through the digits using the cursor keys ( ,
) then confirm to go on to the next digit by pressing
reset
the key. Do not use characters other than numbers
0 to 9 for each of the 4 digits.
When the password for your qualification level is
entered, press the key to position the cursor on the
reset
apply box. Press the key again to confirm.
When Sepam is in protection setting mode, a key
appears at the top of the display.
When Sepam is in parameter setting mode, two keys
appear at the top of the display.
MT10817
passwords
Access to the protection setting or parameter setting
modes is disabled:
b By pressing the key
b Automatically if no keys are activated for more than
5 minutes.
7/18
apply cancel
Trip
curve = definitive
thershold = 120 A
delay = 100 ms
response time
curve =
definitive
delay = 0 ms
apply cancel
Off
On
Modification of passwords
Only the parameter setting qualification level (2 keys) or the SFT2841 allow
modification of the passwords. Passwords are modified in the general settings
screen, key.
Loss of passwords
If the factory-set passwords have been modified and the latest passwords entered
have been irretrievably lost by the user, please contact your local after-sales service
representative.
Entry of parameters or settings
Principle applicable to all Sepam screens
(example of phase overcurrent protection)
b Enter the password
b Access the corresponding screen by successively pressing the key
b Move the cursor by pressing the key for access to the desired field (e.g. curve)
reset
b Press the key to confirm the choice, then select the type of curve by pressing
reset
the or key and confirm by pressing the key
b Press the key to reach the following fields, up to the apply box. Press
reset
the key to confirm the setting.
Entry of numerical values
(e.g. current threshold value)
b Position the cursor on the required field using the keys, then confirm to
reset
go on to the next digit by pressing the key
b Select the first digit to be entered and set the value by pressing the or key
(choice of : 0……9)
reset
b Press the key to confirm the choice and go on to the following digit.
The values are entered with 3 significant digits and a period.
The unit (e.g. A or kA) is chosen using the last digit.
reset
b Press the key to confirm the entry, then press the key for access to the
following field
b All of the values entered are only effective after the user confirms by selecting the
reset
apply box at the bottom of the screen and presses the key.
PCRED301005EN - 06/2008