Micom P631 - Page 408

Parameter Address
Default Min Max Unit Logic Diagram
Definite-time over‐
current protection
DTOC1: Enable PSx
076 050 077 050 078 050 079 050
0: No Fig. 3-91, (p. 3-124)
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DTOC2: Enable PSx
076 070 077 070 078 070 079 070
0: No
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This setting specifies the parameter subset to be enabled for definite-time
overcurrent protection.
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DTOC1: Block tim.st. IN PSx
076 067 077 067 078 067 079 067
0: Without Fig. 3-94, (p. 3-129)
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DTOC2: Block tim.st. IN PSx
076 087 077 087 078 087 079 087
0: Without
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This setting defines whether blocking of the residual current stages will take
place for single-pole or multi-pole phase current starting.
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DTOC1: Gen.starting modePSx
076 066 077 066 078 066 079 066
1: With start. IN/Ineg Fig. 3-95, (p. 3-130)
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DTOC2: Gen.starting modePSx
076 086 077 086 078 086 079 086
1: With start. IN/Ineg
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This setting defines whether starting of the residual current stages will result in
the formation of the general starting signal of DTOC protection.
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DTOC1: tGS PSx
076 065 077 065 078 065 079 065
0.00 0.00 100.00 s Fig. 3-95, (p. 3-130)
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DTOC2: tGS PSx
076 085 077 085 078 085 079 085
0.00 0.00 100.00 s
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Setting for the operate delay of the general starting signal of DTOC protection.
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DTOC1: Rush restr.enabl PSx
076 063 077 063 078 063 079 063
0: No Fig. 3-92, (p. 3-125)
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DTOC2: Rush restr.enabl PSx
076 083 077 083 078 083 079 083
0: No
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Setting as to whether the inrush stabilization function (harmonic restraint) of
differential protection shall be able to block the definite-time overcurrent
protection function.
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DTOC1: I> PSx
076 051 077 051 078 051 079 051
1.00 0.10 30.00 Inom Fig. 3-92, (p. 3-125)
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DTOC2: I> PSx
076 071 077 071 078 071 079 071
1.00 0.10 30.00 Inom
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Setting for operate value I>.
P631
7 Settings
7-108 P631/EN M/R-11-C // P631-310-650