Manual XRI1-ER
Woodward
TD_XRI1-ER_12.03, Rev. C
27
Note:
A form is attached to this description where the set-ting requested by the customer can be
filled-in. This form is prepared for fax transmission and can be used for your own reference
as well as for telephone queries.
Relay function
Output relays
Display-
indication
Lighted LED
1
2
3
4
I
E>
(V)
alarm
X
_ _ _ 4
I>;
→← green
t
IE>
(V)
tripping
X
1 _ _ _
t
I>
;
→← green
I
E>
(R)
alarm
X
_ _ _ 4
I>>;
→← red
t
IE>
(R)
tripping
X
1 _ _ _
t
I>>
;
→← red
I
E>>
(V) I
E>
alarm
X
_ _ _ 4
I
IE>
;
→← green
t
IE>>
(V)
tripping
X
1 _ _ _
t
IE>>
;
→← green
I
E>>
(R) I
E>>
alarm
X
_ _ _ 4
I
E>>
;
→← red
t
IE>>
(R)
tripping
X
1 _ _ _
t
I>>
;
→← red
t
CBFP
tripping
_ _ _ _
Table 6.2: Example of assignment matrix of the output relay (default settings).
(V) = forward direction;
(R) = backward direction
This way, a tripping relay can be set for each activation and tripping direction.
6.2 Indication of measuring and fault values
6.2.1 Measuring values
The following measuring quantities can be indicated on the display during normal service:
Apparent earth current (LED E green)
Active earth current (LED E and IP green)
Reactive earth current (LED E and IQ green)
Residual voltage UR (LED UE)
Angle between IE and UE
