Table 103:
TRPTTR (49) Output signals
Name
Type
Description
TRIP
BOOLEAN
Trip Signal
START
BOOLEAN
Pickup signal
ALARM1
BOOLEAN
First level alarm signal
ALARM2
BOOLEAN
Second level alarm signal
LOCKOUT
BOOLEAN
Lockout signal
WARNING
BOOLEAN
Trip within set warning time
8.4.5
Settings
Table 104:
TRPTTR (49) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Disabled/Enabled
IRef
10.0 - 1000.0
%IB
1.0
100.0
Reference current in % of IBase
IBase1
30.0 - 250.0
%IB
1.0
100.0
Base current IBase1 without cooling input in %
of IBase
IBase2
30.0 - 250.0
%IB
1.0
100.0
Base current IBase2 with cooling input in % of
IBase
Tau1
1.0 - 500.0
Min
1.0
60.0
Time constant without cooling input
Tau2
1.0 - 500.0
Min
1.0
60.0
Time constant with cooling input
IHighTau1
30.0 - 250.0
%IB1
1.0
100.0
Current setting for rescaling TC1 by TC1-
IHIGH
Tau1High
5 - 2000
%tC1
1
100
Multiplier to TC1 when current is >IHIGH-TC1
ILowTau1
30.0 - 250.0
%IB1
1.0
100.0
Current setting for rescaling TC1 by TC1-ILOW
Tau1Low
5 - 2000
%tC1
1
100
Multiplier to TC1 when current is <ILOW-TC1
IHighTau2
30.0 - 250.0
%IB2
1.0
100.0
Current setting for rescaling TC2 by TC2-
IHIGH
Tau2High
5 - 2000
%tC2
1
100
Multiplier to TC2 when current is >TC2-IHIGH
ILowTau2
30.0 - 250.0
%IB2
1.0
100.0
Current setting for rescaling TC2 by TC2-ILOW
Tau2Low
5 - 2000
%tC2
1
100
Multiplier to TC2 when current is <ILOW-TC2
ITrip
50.0 - 250.0
%IBx
1.0
110.0
Steady state operate current level
Alarm1
50.0 - 99.0
%Itr
1.0
80.0
First alarm level
Alarm2
50.0 - 99.0
%Itr
1.0
90.0
Second alarm level
ResLo
10.0 - 95.0
%Itr
1.0
60.0
Lockout reset level
Warning
1.0 - 500.0
Min
0.1
30.0
Time setting, below which warning would be
set
Section 8
1MRK 502 048-UUS A
Current protection
236
Technical manual
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