OV2PTOV (59) has two voltage steps, where step 1 can be set as inverse or definite time
delayed. Step 2 is always definite time delayed.
OV2PTOV (59) has a high reset ratio to allow settings close to system service voltage.
9.2.3
Function block
ANSI09000278-1-en.vsd
OV2PTOV (59)
V3P*
BLOCK
BLK1
BLK2
TRIP
TRST1
TRST2
PICKUP
PU_ST1
PU_ST1_A
PU_ST1_B
PU_ST1_C
PU_ST2
ANSI09000278 V1 EN
Figure 133:
OV2PTOV function block (59)
9.2.4
Signals
Table 160:
OV2PTOV (59) Input signals
Name
Type
Default
Description
V3P
GROUP
SIGNAL
-
Three phase group signal for voltage inputs
BLOCK
BOOLEAN
0
Block of function
BLK1
BOOLEAN
0
Block of step 1
BLK2
BOOLEAN
0
Block of step 2
Table 161:
OV2PTOV (59) Output signals
Name
Type
Description
TRIP
BOOLEAN
Common trip signal
TRST1
BOOLEAN
Trip signal from step 1
TRST2
BOOLEAN
Trip signal from step 2
PICKUP
BOOLEAN
General pickup signal
PU_ST1
BOOLEAN
Start signal from step 1
PU_ST1_A
BOOLEAN
Pick up signal from step 1 phase A
PU_ST1_B
BOOLEAN
Pick up signal from step 1 phase B
PU_ST1_C
BOOLEAN
Pick up signal from step 1 phase C
PU_ST2
BOOLEAN
Start signal from step 2
Section 9
1MRK 502 048-UUS A
Voltage protection
288
Technical manual