Siemens siprotec 7SA522 - Page 285

2.15 Undervoltage and overvoltage protection (optional)
285
7SA522 Manual
C53000-G1176-C155-3
3741 U2>(>) OFF
Alarm Only
ON
OFF Operating mode U2 overvoltage
prot.
3742 U2> 2.0 .. 220.0 V; ∞ 30.0 V U2> Pickup
3743 T U2> 0.00 .. 100.00 sec; ∞ 2.00 sec T U2> Time Delay
3744 U2>> 2.0 .. 220.0 V; ∞ 50.0 V U2>> Pickup
3745 T U2>> 0.00 .. 100.00 sec; ∞ 1.00 sec T U2>> Time Delay
3749A U2>(>) RESET 0.30 .. 0.98 0.98 U2>(>) Reset ratio
3751 Uph-e<(<) OFF
Alarm Only
ON
OFF Operating mode Uph-e undervolt-
age prot.
3752 Uph-e< 1.0 .. 100.0 V; 0 30.0 V Uph-e< Pickup
3753 T Uph-e< 0.00 .. 100.00 sec; ∞ 2.00 sec T Uph-e< Time Delay
3754 Uph-e<< 1.0 .. 100.0 V; 0 10.0 V Uph-e<< Pickup
3755 T Uph-e<< 0.00 .. 100.00 sec; ∞ 1.00 sec T Uph-e<< Time Delay
3758 CURR.SUP. Uphe< ON
OFF
ON Current supervision (Uph-e)
3761 Uph-ph<(<) OFF
Alarm Only
ON
OFF Operating mode Uph-ph under-
voltage prot.
3762 Uph-ph< 1.0 .. 175.0 V; 0 50.0 V Uph-ph< Pickup
3763 T Uph-ph< 0.00 .. 100.00 sec; ∞ 2.00 sec T Uph-ph< Time Delay
3764 Uph-ph<< 1.0 .. 175.0 V; 0 17.0 V Uph-ph<< Pickup
3765 T Uphph<< 0.00 .. 100.00 sec; ∞ 1.00 sec T Uph-ph<< Time Delay
3768 CURR.SUP.Uphph< ON
OFF
ON Current supervision (Uph-ph)
3771 U1<(<) OFF
Alarm Only
ON
OFF Operating mode U1 undervolt-
age prot.
3772 U1< 1.0 .. 100.0 V; 0 30.0 V U1< Pickup
3773 T U1< 0.00 .. 100.00 sec; ∞ 2.00 sec T U1< Time Delay
3774 U1<< 1.0 .. 100.0 V; 0 10.0 V U1<< Pickup
3775 T U1<< 0.00 .. 100.00 sec; ∞ 1.00 sec T U1<< Time Delay
3778 CURR.SUP.U1< ON
OFF
ON Current supervision (U1)
Addr. Parameter Setting Options Default Setting Comments