ROV2PTOV has two voltage steps, where step 1 can be set as inverse or definite time
delayed. Step 2 is always definite time delayed.
9.3.3
Function block
ROV2PTOV
U3P*
BLOCK
BLKST1
BLKST2
TRIP
TR1
TR2
START
ST1
ST2
IEC09000273_1_en.vsd
IEC09000273 V1 EN
Figure 96:
ROV2PTOV function block
9.3.4
Signals
Table 142:
ROV2PTOV Input signals
Name
Type
Default
Description
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
Table 143:
ROV2PTOV Output signals
Name
Type
Description
TRIP
BOOLEAN
General trip signal
TR1
BOOLEAN
Trip signal from step 1
TR2
BOOLEAN
Trip signal from step 2
START
BOOLEAN
General start signal
ST1
BOOLEAN
Start signal from step 1
ST2
BOOLEAN
Start signal from step 2
9.3.5
Settings
Table 144:
ROV2PTOV Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
OperationStep1
Off
On
-
-
On
Enable execution of step 1
Characterist1
Definite time
Inverse curve A
Inverse curve B
Inverse curve C
-
-
Definite time
Selection of time delay curve type for step
1
Table continues on next page
1MRK 504 135-UEN A
Section 9
Voltage protection
217
Technical manual
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