Function Block; Signals - ABB RET650 Technical Manual

Section 11
Secondary system supervision
11.1.3
11.1.4
244

Function block

SDDRFUF
I3P* BLKZ
U3P* BLKU
BLOCK 3PH
CBCLOSED DLD1PH
MCBOP DLD3PH
DISCPOS
IEC08000220 V1 EN
Figure 110: SDDRFUF function block

Signals

Table 168: SDDRFUF Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
BLOCK BOOLEAN
CBCLOSED BOOLEAN
MCBOP BOOLEAN
DISCPOS BOOLEAN
Table 169: SDDRFUF Output signals
Name Type
BLKZ BOOLEAN
BLKU BOOLEAN
3PH BOOLEAN
DLD1PH BOOLEAN
DLD3PH BOOLEAN
Default Description
- Three phase group signal for current inputs
- Three phase group signal for voltage inputs
0 Block of function
0 Active when circuit breaker is closed
0 Active when external MCB opens protected voltage
circuit
0 Active when line disconnector is open
Description
Start of current and voltage controlled function
General start of function
Three-phase start of function
Dead line condition in at least one phase
Dead line condition in all three phases
1MRK 504 135-UEN A
Technical manual