2.22 Programmable stages (99)
2 Protection functions
Technical description
126
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VM259.EN007
Eight independent stages
The device has eight independent programmable stages. Each
programmable stage can be enabled or disabled to fit the
intended application.
Setting groups
There are two settings groups available. Switching between
setting groups can be controlled by digital inputs, virtual
inputs (mimic display, communication, logic) and manually.
There are two identical stages available with independent
setting parameters.
Parameters of the programmable stages PrgN (99)
Parameter
Value
Unit
Description
Note
Status
-
Blocked
Start
Trip
Current status of the stage
F
F
SCntr
Cumulative start counter
C
TCntr
Cumulative trip counter
C
SetGrp
1 or 2
Active setting group
Set
SGrpDI
-
DIx
VIx
LEDx
VOx
Digital signal to select the
active setting group
None
Digital input
Virtual input
LED indicator signal
Virtual output
Set
Force
Off
On
Force flag for status forcing for
test purposes. This is a
common flag for all stages and
output relays, too.
Automatically reset by a 5-
minute timeout.
Set
Link
Name for the supervised signal
Set
Value of the supervised signal
Cmp
>
<
Mode of comparison
Over protection
Under protection
Set
Pickup
Pick up value scaled to
primary level
Pickup
pu
Pick up setting in pu
Set
t
s
Definite operation time.
Set
Hyster
%
Dead band setting
Set
NoCmp
pu
Minimum value to start under
comparison. (Mode=‘<‘)
Set
Set = An editable parameter (password needed)
C = Can be cleared to zero