4.1.4.7 Settings
Table 269: 49F Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Env temperature set -50...100 °C 1 40 Ambient temperature used when AmbiSens is
set to Off
Current reference 0.05...4.00 xIn 0.01 1.00 The load current leading to Temperature raise
temperature
Temperature raise 0.0...200.0 °C 0.1 75.0 End temperature rise above ambient
Time constant 60...60000 s 1 2700 Time constant of the line in seconds.
Maximum temperature 20.0...200.0 °C 0.1 90.0 Temperature level for trip
Alarm value 20.0...150.0 °C 0.1 80.0 Temperature level for pickup (alarm)
Reclose temperature 20.0...150.0 °C 0.1 70.0 Temperature for reset of block reclose after trip
Table 270: 49F Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Current multiplier 1...5 1 1 Current multiplier when function is used for
parallel lines
Table 271: 49F Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation 1=enable
5=disable
1=enable Operation Disable / Enable
Table 272: 49F Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Initial temperature -50.0...100.0 °C 0.1 0.0 Temperature raise above ambient temperature
at startup
4.1.4.8 Monitored data
Table 273: 49F Monitored data
Name
Type Values (Range) Unit Description
TEMP FLOAT32 -100.0...9999.9 °C The calculated temperature of
the protected object
TEMP_RL FLOAT32 0.00...99.99 The calculated temperature of
the protected object relative to
the trip level
T_TRIP
INT32 0...60000 s Estimated time to trip
Table continues on next page
Section 4 1MAC059074-MB A
Protection functions
274 615 series ANSI
Technical Manual
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