ABB RER615 - Page 271

Parameter Values (Range) Unit Step Default Description
ature measurement
available
Current reference 0.05...4.00 xIn 0.01 1.00 The load current
leading to Temper-
ature raise temper-
ature
Temperature rise 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 tempera-
ture
20.0...200.0 °C 0.1 90.0 Temperature level
for operate
Alarm value 20.0...150.0 °C 0.1 80.0 Temperature level
for start (alarm)
Reclose tempera-
ture
20.0...150.0 °C 0.1 70.0 Temperature for re-
set of block reclose
after operate
Table 290: T1PTTR 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 291: T1PTTR Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Table 292: T1PTTR 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
4.1.3.8 Monitored data
Table 293: T1PTTR 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 operate level
T_OPERATE INT32 0...60000 s Estimated time
to operate
Table continues on the next page
1MRS758755 C Protection functions
REC615 & RER615
Technical Manual
271