ABB REC650 - Settings

Table 56: LFPTTR Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Three phase group signal for current inputs
BLOCK BOOLEAN 0 Block of function
AMBTEMP REAL 0 Ambient temperature from external temperature
sensor
SENSFLT BOOLEAN 0 Validity status of ambient temperature sensor
RESET BOOLEAN 0 Reset of internal thermal load counter
Table 57: LCPTTR Output signals
Name Type Description
TRIP BOOLEAN General trip signal
START BOOLEAN General start signal
ALARM BOOLEAN Alarm signal
LOCKOUT BOOLEAN Lockout signal
TEMP REAL Calculated temperature of the device
TEMPAMB REAL Ambient temperature used in the calculations
TERMLOAD REAL Temperature relative to operate temperature
Table 58: LFPTTR Output signals
Name
Type Description
TRIP BOOLEAN General trip signal
START BOOLEAN General start signal
ALARM BOOLEAN Alarm signal
LOCKOUT BOOLEAN Lockout signal
TEMP REAL Calculated temperature of the device
TEMPAMB REAL Ambient temperature used in the calculations
TERMLOAD REAL Temperature relative to operate temperature
6.6.5 Settings
Table 59: LCPTTR Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
TRef 0 - 300 Deg C 1 90 End temperature rise above ambient of
the line when loaded with IRef
IRef 0 - 400 %IB 1 100 Load current in % of IBase leading to TRef
temperature
Tau 1 - 1000 Min 1 45 Time constant of the line
Table continues on next page
1MRK 511 287-UEN A Section 6
Current protection
123
Technical manual