44
TB MRI(K)3-C 03.02 E
5.11.4
Function assignment of the digital
inputs
After the setting of the AR parameter you enter the allo-
cation of the input function to the 7 digital. With the
push-buttons <+> and <->it is possible to assign to each
digital input one available logical input function. During
the setting procedure the LED “DI” lights. The display
show the number of the DI and the assigned logical
function in a short from. „1=RE“. This means that the DI
No. 1 is assign to the function reset. The following func-
tions are available.:
NO = no
function
RE
=
Reset (Display and Relay)
BL
=
Protection block / trip block
P2 =
Change
parameterset
FR
=
Ext. Trigger of the disturbance recorder
t0
=
Ext. Trip immediately
t1
=
Ext. Trip with time delay
ON = Ext.
switch
ON
t2 =
Trip/Restore
CI
=
CB position supervision CB-ON
CO
=
CB position supervision CB-OFF
CR
=
CB ready supervision / CB spring is
charged
AB =
AWE
block
SY
=
Synchro check (only AR relay)
The allocation of the functions can be the same for dif-
ferent digital inputs.