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Name
Type
Description
TEMP
REAL
Calculated temperature of the device
TEMPAMB
REAL
Ambient temperature used in the calculations
TERMLOAD
REAL
Temperature relative to operate temperature
6.6.5
Settings
Table 59:
LFPTTR (26) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Disable / Enable
TRef
0 - 600
Deg F
1
160
End temperature rise above ambient of the line
when loaded with IRef
IRef
0 - 400
%IB
1
100
Load current in % of IBase leading to TRef
temperature
Tau
1 - 1000
Min
1
45
Time constant of the line
AlarmTemp
0 - 400
Deg F
1
175
Temperature level for pickup (alarm)
TripTemp
0 - 600
Deg F
1
195
Temperature level for trip
ReclTemp
0 - 600
Deg F
1
170
Temperature for reset of lockout after trip
AmbiSens
Disabled
Enabled
-
-
Disabled
External temperature sensor available
DefaultAmbTemp
-50 - 250
Deg F
1
60
Ambient temperature used when AmbiSens is
set to Off
DefaultTemp
-50 - 600
Deg F
1
100
Temperature raise above ambient temperature
at startup
Table 60:
LFPTTR (26) Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
GlobalBaseSel
1 - 6
-
1
1
Selection of one of the Global Base Value
groups
Table 61:
LCPTTR (26) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Disable / Enable
TRef
0 - 300
Deg C
1
90
End temperature rise above ambient of the line
when loaded with IRef
IRef
0 - 400
%IB
1
100
Load current in % of IBase leading to TRef
temperature
Tau
1 - 1000
Min
1
45
Time constant of the line
Table continues on next page
1MRK 511 287-UUS A
Section 6
Current protection
131
Technical manual
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