Supervision
Setting Group Parameters of the CBF
In order to prevent a faulty activation of the BF Module, the pickup (alarm) time
must be greater than the sum of:
Operating time of the protective relay
+The close-open time of the breaker (please refer to the technical data of
the manufacturer of the breaker);
+Drop off time (current- or position indicators)
+Security margin.
Parameter
Description
Setting range
Default
Menu path
Function
Permanent activation or deactivation of
module/stage.
inactive,
active
inactive
[Protection
Para
/<1..4>
/Supervision
/CBF]
ExBlo Fc
Activate (allow) or inactivate (disallow)
blocking of the module/stage. This
parameter is only effective if a signal is
assigned to the corresponding global
protection parameter. If the signal becomes
true, those modules/stages are blocked that
are parameterized "ExBlo Fc=active".
inactive,
active
inactive
[Protection
Para
/<1..4>
/Supervision
/CBF]
I-CBF >
Breaker Failure Alarm will be initiated if this
threshold is still exceeded after the timer
has expired (50 BF).
Only available if: Scheme50BF = Or Scheme
= 50BF and CB Pos
0.02 - 4.00In
0.02In
[Protection
Para
/<1..4>
/Supervision
/CBF]
t-CBF
If the delay time is expired, an CBF alarm is
given out.
0.00 - 10.00s
0.20s
[Protection
Para
/<1..4>
/Supervision
/CBF]
1049
MCDLV4
DOK-HB-MCDLV4-2E
Summary of Contents for HighPROtec MCDLV4
Page 3: ...Order Code Order Code 3 MCDLV4 DOK HB MCDLV4 2E...
Page 47: ...Installation and Connection 47 MCDLV4 DOK HB MCDLV4 2E...
Page 164: ...Input Output and LED Settings 164 MCDLV4 DOK HB MCDLV4 2E...
Page 433: ...Parameters 433 MCDLV4 DOK HB MCDLV4 2E...
Page 457: ...Device Parameters 457 MCDLV4 DOK HB MCDLV4 2E...
Page 473: ...Blockings 473 MCDLV4 DOK HB MCDLV4 2E...
Page 988: ...Protective Elements 988 MCDLV4 DOK HB MCDLV4 2E P P Q P Q P Q Q Q P S S...
Page 989: ...Protective Elements 989 MCDLV4 DOK HB MCDLV4 2E Pr Q P Q P Qr...
Page 1023: ...Protective Elements 1023 MCDLV4 DOK HB MCDLV4 2E...