BRC--BLOCK
BRC--TRIP
Function Enable
TEST-ACTIVE
AND
TEST
BlockBRC = Yes
PU_ub
Unsymmetrical
Current Detection
AND
OR
BRC--START
en07000123.vsd
IA<50%Pickup_PN
0-t
0
IB<50%Pickup_PN
IC<50%Pickup_PN
OR
IEC07000123 V1 EN
Figure 246: Simplified logic diagram for Broken conductor check BRCPTOC (46)
7.13.3  Function block
ANSI07000034-2-en.vsd
BRCPTOC (46)
I3P*
BLOCK
BLKTR
TRIP
PICKUP
ANSI07000034 V2 EN
Figure 247: BRCPTOC (46) function block
7.13.4  Input and output signals
Table 247: BRCPTOC (46) Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Group signal for current input
BLOCK BOOLEAN 0 Block of function
BLKTR BOOLEAN 0 Blocks the operate output
Section 7 1MRK505222-UUS C
Current protection
488
Technical reference manual