ABB RELION REX640 - 4.1.5.8 T1 PTTR Settings; 4.1.5.9 T1 PTTR Monitored data

T1PTTR Output signals
Table 435: T1PTTR Output signals
Name Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
ALARM BOOLEAN Thermal Alarm
BLK_CLOSE BOOLEAN Thermal overload indicator.
To inhibite reclose.
4.1.5.8 T1PTTR Settings
Table 436: T1PTTR Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Env temperature
Set
-50...100 °C 1 40 Ambient tempera-
ture used when
no external temper-
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
22.0...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 437: 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 438: T1PTTR Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Table 439: 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
Protection functions 1MRS759142 F
388 REX640
Technical Manual