ABB RELION Series User Manual

Table 269: 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.
4.1.3.7 Settings
Table 270: T1PTTR Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Env temperature Set -50...100 °C 1 40 Ambient temperature used when no
external temperature measurement
available
Current reference
0.05...4.00 xIn 0.01 1.00 The load current leading to Temperature
raise temperature
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 temperature 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 temperature 20.0...150.0 °C 0.1 70.0 Temperature for reset of block reclose
after operate
Table 271: 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 272: T1PTTR Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation 1=on
5=off
1=on Operation Off / On
Table 273: 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
1MRS758755 A Section 4
Protection functions
REC615 and RER615 257
Technical Manual

ABB RELION Series Specifications

General

Product Series	RELION
Category	Control Unit
Analog Outputs	Up to 8
Product Type	Protection and Control IED
Communication Protocols	IEC 61850, Modbus, DNP3
Input Voltage	24-250 V DC / 110-230 V AC
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Earth fault, Frequency