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When the function is activated binary output signal PUVN is activated. If the output
signals are active after the set delay
tVNNonDir
TRIP and TRUN are activated. A
simplified logical diagram of the total function is shown in figure
.
en06000653_ansi.vsd
INNonDirPU
UN_PU
OpMODE=INcosPhi
Pickup_N
INCosPhiPU
OpMODE=INVNCosPhi
INVNCosPhiPU
Phi in RCA +- ROA
OpMODE=IN and Phi
DirMode = Forw
Forw
DirMode = Rev
Rev
PUNDIN
TRNDIN
PUVN
TRVN
AND
AND
AND
OR
AND
AND
AND
OR
PUDIRIN
PUFW
PUREV
0 - t
0 - t
0
0
TimeChar = DefTime
TRDIRIN
AND
SN
t
TimeChar = InvTime
AND
ANSI06000653 V1 EN
Figure 49:
Simplified logical diagram of the sensitive ground-fault current protection
Section 6
1MRK 511 287-UUS A
Current protection
126
Technical manual
Summary of Contents for REC650 ANSI
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