8.2.3
Function block
IEC08000002-2-en.vsd
OC4PTOC
I3P*
U3P*
BLOCK
BLKST1
BLKST2
BLKST3
BLKST4
TRIP
TR1
TR2
TR3
TR4
START
ST1
ST2
ST3
ST4
STL1
STL2
STL3
2NDHARM
IEC08000002 V2 EN
Figure 63:
OC4PTOC function block
8.2.4
Signals
Table 72:
OC4PTOC 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
BLKST1
BOOLEAN
0
Block of step 1
BLKST2
BOOLEAN
0
Block of step 2
BLKST3
BOOLEAN
0
Block of step 3
BLKST4
BOOLEAN
0
Block of step 4
Table 73:
OC4PTOC 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 from step 1
ST2
BOOLEAN
Start signal from step 2
ST3
BOOLEAN
Start signal from step 3
ST4
BOOLEAN
Start signal from step 4
Table continues on next page
Section 8
1MRK 504 135-UEN A
Current protection
144
Technical manual
Summary of Contents for ret650
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