ABB RELION REX640 Technical Manual page 388

Protection functions
T1PTTR Output signals
Table 435: T1PTTR Output signals
Name
OPERATE
START
ALARM
BLK_CLOSE
4.1.5.8 T1PTTR Settings
Table 436: T1PTTR Group settings (Basic)
Parameter Values (Range)
Env temperature -50...100
Set
Current reference 0.05...4.00
Temperature rise 0.0...200.0
Time constant 60...60000
Maximum tempera- 22.0...200.0
ture
Alarm value 20.0...150.0
Reclose tempera- 20.0...150.0
ture
Table 437: T1PTTR Group settings (Advanced)
Parameter Values (Range)
Current multiplier 1...5
Table 438: T1PTTR Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Table 439: T1PTTR Non group settings (Advanced)
Parameter Values (Range)
Initial temperature -50.0...100.0
388
Type
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
Unit Step
°C 1
xIn 0.01
°C 0.1
s 1
°C 0.1
°C 0.1
°C 0.1
Unit Step
1
Unit Step
Unit Step
°C 0.1
1MRS759142 F
Description
Operate
Start
Thermal Alarm
Thermal overload indicator.
To inhibite reclose.
Default Description
40 Ambient tempera-
ture used when
no external temper-
ature measurement
available
1.00 The load current
leading to Temper-
ature raise temper-
ature
75.0 End temperature
rise above ambient
2700 Time constant of
the line in seconds.
90.0 Temperature level
for operate
80.0 Temperature level
for start (alarm)
70.0 Temperature for re-
set of block reclose
after operate
Default Description
1 Current multiplier
when function is
used for parallel
lines
Default Description
1=on Operation Off / On
Default Description
0.0 Temperature raise
above ambient
temperature at
startup
Technical Manual
REX640