VAMP Ltd
Overcurrent and earth-fault relay
Technical description
VAMP 140
VM140.EN011
Vamp 24h support phone +358 (0)40 573 6316
37
•
Press ENTER again, press ENTER once more to start
editing. The device will inform that editing this value
will cause an autoboot.
•
Select value "On" with the UP/DOWN keys and
confirm with ENTER key.
•
Wait about 30 seconds until the device restarts.
The setting range is for the DI-active scaling factor is 20% -
100%. To change the factor use VAMPSET or the local panel.
The procedure from the local panel is:
•
Go to main menu "IL SETTING" using the UP/DOWN
keys.
•
Press RIGHT key to enter this menu.
•
Go to the line "DI1 I Set" by pressing the UP/DOWN
keys.
•
Press RIGHT key to enter this menu. The display will
show "Isca: 100%".
•
Press ENTER. The device will ask for an operator
password:
•
Press ENTER again, give the password 1 (use
UP/DOWN keys) and confirm with ENTER key.
•
Set the value with the UP/DOWN/LEFT/RIGHT keys
and confirm with ENTER key.
Please note that the polarity (i.e. whether the input is active
with closed or open contact) of the digital input is configurable,
too. See menu "DIGITAL IN/DI1pol: NO". 'NO'=Normal Open
for a closed-active contact and 'NC'=Normal Closed for an open-
active contact.
Note!
If the digital input is used for setting control, it should not be
used for other purposes like blocking the protection stages.
This feature is available starting from software version 2.70