Warning: If the calculated time to trip factor is below the setting Warning a warning
signal is activated. The setting is given in minutes.
3.7.7.3 Setting parameters
Table 104: TRPTTR (49) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Disable/Enable Operation
IBase 1 - 99999 A 1 3000 Base current in A
IRef 10.0 - 1000.0 %IB 1.0 100.0 Reference current in % of IBASE
IRefMult 0.01 - 10.00 - 0.01 1.00 Multiplication Factor for reference current
IBase1 30.0 - 250.0 %IB 1.0 100.0 Base current,IBase1 without Cooling inpout in
% of IBASE
IBase2 30.0 - 250.0 %IB 1.0 100.0 Base Current,IBase2, with Cooling input ON
in % of IBASE
Tau1 1.0 - 500.0 Min 1.0 60.0 Time constant without cooling input in min,
with IBase1
Tau2 1.0 - 500.0 Min 1.0 60.0 Time constant with cooling input in min, with
IBase2
IHighTau1 30.0 - 250.0 %IB1 1.0 100.0 Current Sett, in % of IBase1 for rescaling TC1
by TC1-IHIGH
Tau1High 5 - 2000 %tC1 1 100 Multiplier in % to TC1 when current is > IHIGH-
TC1
ILowTau1 30.0 - 250.0 %IB1 1.0 100.0 Current Set, in % of IBase1 for rescaling TC1
by TC1-ILOW
Tau1Low 5 - 2000 %tC1 1 100 Multiplier in % to TC1 when current is < ILOW-
TC1
IHighTau2 30.0 - 250.0 %IB2 1.0 100.0 Current Set, in % of IBase2 for rescaling TC2
by TC2-IHIGH
Tau2High 5 - 2000 %tC2 1 100 Multiplier in % to TC2 when current is >IHIGH-
TC2
ILowTau2 30.0 - 250.0 %IB2 1.0 100.0 Current Set, in % of IBase2 for rescaling TC2
by TC2-ILOW
Tau2Low 5 - 2000 %tC2 1 100 Multiplier in % to TC2 when current is < ILOW-
TC2
ITrip 50.0 - 250.0 %IBx 1.0 110.0 Steady state operate current level in % of
IBasex
Alarm1 50.0 - 99.0 %Itr 1.0 80.0 First alarm level in % of heat content trip value
Alarm2 50.0 - 99.0 %Itr 1.0 90.0 Second alarm level in % of heat content trip
value
LockoutReset 10.0 - 95.0 %Itr 1.0 60.0 Lockout reset level in % of heat content trip
value
Table continues on next page
1MRK504116-UUS C Section 3
IED application
469
Application manual
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