ABB REG316 4 Series - Page 98

ABB Switzerland Ltd REG 316*4 1MRB520049-Uen / Rev. F
3-60
D. Definite time current function settings - Current-DT
Summary of parameters:
Text Unit Default Min. Max. Step
ParSet 4..1 P1
(
Select
)
Trip 00000000
Delay s 01.00 0.02 60.00 0.01
I-Setting IN 02.00 0.02 20.00 0.01
MaxMin MAX (1ph) (Select)
NrOfPhases 001 1 3 2
CurrentInp
CT/VT-Addr
0
BlockInp BinaryAddr F
Trip SignalAddr ER
Start SignalAddr ER
Explanation of parameters:
ParSet 4..1
Parameter for determining in which set of parameters a par-
ticular function is active (see Section 5.11.).
Trip
defines the tripping channel activated by the tripping O/P of
the function (matrix tripping logic).
Delay
Time between the function picking up and tripping.
I-Setting
Pick-up current setting.
Forbidden settings:
· > 1.6 I
N
when supplied from metering cores
· < 0.2 I
N
when supplied from protection cores.
MaxMin
defines operation as overcurrent or undercurrent or with
inrush blocking. Settings:
· MIN (3ph): Undercurrent.
Three-phase functions detect the highest
phase current.
Not permitted for single-phase functions.
· MIN (1ph): Undercurrent.
Three-phase functions detect the lowest
phase current.