11.1.3
Function block
SDDRFUF
I3P*
U3P*
BLOCK
CBCLOSED
MCBOP
DISCPOS
BLKZ
BLKU
3PH
DLD1PH
DLD3PH
IEC08000220 V1 EN
Figure 110:
SDDRFUF function block
11.1.4
Signals
Table 168:
SDDRFUF Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Three phase group signal for current inputs
U3P
GROUP
SIGNAL
-
Three phase group signal for voltage inputs
BLOCK
BOOLEAN
0
Block of function
CBCLOSED
BOOLEAN
0
Active when circuit breaker is closed
MCBOP
BOOLEAN
0
Active when external MCB opens protected voltage
circuit
DISCPOS
BOOLEAN
0
Active when line disconnector is open
Table 169:
SDDRFUF Output signals
Name
Type
Description
BLKZ
BOOLEAN
Start of current and voltage controlled function
BLKU
BOOLEAN
General start of function
3PH
BOOLEAN
Three-phase start of function
DLD1PH
BOOLEAN
Dead line condition in at least one phase
DLD3PH
BOOLEAN
Dead line condition in all three phases
Section 11
1MRK 504 135-UEN A
Secondary system supervision
244
Technical manual
Summary of Contents for ret650
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