ABB ret650 User Manual

8.4.3 Function block
IEC08000004-2-en.vsd
EF4PTOC
I3P*
U3P*
I3PPOL*
I3PDIR*
BLOCK
BLKST1
BLKST2
BLKST3
BLKST4
TRIP
TR1
TR2
TR3
TR4
START
ST1
ST2
ST3
ST4
STFW
STRV
2NDHARMD
IEC08000004 V2 EN
Figure 69: EF4PTOC function block
8.4.4 Signals
Table 85: EF4PTOC Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Three phase group signal for current inputs
U3P GROUP
SIGNAL
- Three phase group signal for polarizing voltage
inputs
I3PPOL GROUP
SIGNAL
- Three phase group signal for polarizing current
inputs
I3PDIR GROUP
SIGNAL
- Three phase group signal for operating directional
inputs
BLOCK BOOLEAN 0 Block of function
BLKST1 BOOLEAN 0 Block of step 1 (start and trip)
BLKST2 BOOLEAN 0 Block of step 2 (start and trip)
BLKST3 BOOLEAN 0 Block of step 3 (start and trip)
BLKST4 BOOLEAN 0 Block of step 4 (start and trip)
Table 86: EF4PTOC Output signals
Name
Type Description
TRIP BOOLEAN General trip signal
TR1 BOOLEAN Trip signal from step 1
TR2 BOOLEAN Trip signal from step 2
TR3 BOOLEAN Trip signal from step 3
TR4 BOOLEAN Trip signal from step 4
START BOOLEAN General start signal
ST1 BOOLEAN Start signal step 1
Table continues on next page
Section 8 1MRK 504 135-UEN A
Current protection
156
Technical manual

ABB ret650 Specifications

General

Brand	ABB
Model	ret650
Category	Protection Device
Language	English