7.3.4
Signals
TRPTTR is not provided with external temperature sensor in first
release of 650 series. The only input that influences the temperature
measurement is the binary input COOLING.
Table 40:
TRPTTR (49) Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Three phase group signal for current input
BLOCK
BOOLEAN
0
Block of function
COOLING
BOOLEAN
0
Cooling input changes IBase setting and time constant
RESET
BOOLEAN
0
Reset of function
Table 41:
TRPTTR (49) Output signals
Name
Type
Description
TRIP
BOOLEAN
Trip Signal
PICKUP
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
7.3.5
Settings
Table 42:
TRPTTR (49) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Disable/Enable Operation
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
Table continues on next page
Section 7
1MRK 505 277-UUS C
Current protection
102
Technical Manual
Summary of Contents for REB650
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