ABB PR512 Operator's Manual page 33

Microprocessor based protection unit
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16.4.2. Scelta del tempo di intervento (to>>)
La funzione di protezione Io>> ha un intervento a tempo
indipendente regolabile in 32 valori definiti dalla impostazione
dei dip-switch relativi (fig. 11 - rif. 12). I valori disponibili sono
compresi tra 0,05 s e 1,55 s con passo di 0,05 s.
Nella seguente tabella riportiamo le possibili predisposizioni
dei dip-switch.
0,05
to
>>
0,10
to
>>
0,15
to
>>
0,20
to
>>
0,25
to
>>
0,30
to
>>
0,35
to
>>
0,40
to
>>
0,45
to
>>
0,50
to
>>
0,55
to
>>
Fig. 16
16.4.2. Selection of the trip time (to>>)
The function of protection Io>> has an adjustable definite time
trip, with 32 values defined by the relative dip-switch setting
(fig. 11 - ref. 12). The values available are from 0.05 s to 1.55
s with steps of 0.05 s.
The table below shows the possible dip-switch settings.
0,60
to
>>
0,65
to
>>
0,70
to
>>
0,75
to
>>
0,80
to
>>
0,80
to
>>
0,85
to
>>
0,90
to
>>
0,95
to
>>
1,00
to
>>
1,05
to
>>
1,10
to
>>
1,15
to
>>
1,20
to
>>
1,25
to
>>
1,30
to
>>
1,35
to
>>
1,40
to
>>
1,45
to
>>
1,50
to
>>
1,55
to
>>
31

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