VAMP 135
Over-, under-, residual voltage and
frequency relay
Operation and configuration
VAMP Ltd
12
VAMP 24h support phone : +358 (0)20 753 3264
VM135.EN008
3.1.2.
Basic menu structure of protection functions
Example U>:
U SETTING / U> SET:
U>
12000V Set value of protection function [V]
U>
120%Un Set value of protection function [%Un]
t>
0.20s
ReleaseDly:
0.06s
Release delay
Hysteresis:
3.0%
U STATUS / U> stat:
SCntr
-
Start counter
TCntr
-
Trip counter
Force
-
Enabling and disabling force function (ON/OFF)
Status
-
-, Start, Trip
3.2.
Operating levels
The relay features three operating levels, i.e. the User, the
Operator and the Configuration level. The purpose of the
operating levels is to prevent accidental change of relay
configurations, parameterizations or settings.
USER level
Use:
Parameter values, for example, can be read
Opening:
Level permanently open
Closing:
Closing not possible
OPERATOR level
Use:
Settings of protection stages, for example, can be
changed.
Opening:
The default password is 1.
Setting state: On entering the parameter setting state a
password must be given, see 3.2.1
Closing:
The level is automatically closed 10 minutes
after a key being pushed last or a setting being
performed via the local port. Closing can also be
performed by giving the password 9999.