ABB REC650 User Manual

An alarm level gives early warning to allow operators to take action well before the
line is tripped.
Estimated time to trip before operation, and estimated time to reclose after operation
are presented.
6.6.3 Function block
LCPTTR
I3P*
BLOCK
AMBTEMP
SENSFLT
RESET
TRIP
START
ALARM
LOCKOUT
TEMP
TEMPAMB
TERMLOAD
IEC08000038-2-en.vsd
IEC08000038 V2 EN
LFPTTR
I3P*
BLOCK
AMBTEMP
SENSFLT
RESET
TRIP
START
ALARM
LOCKOUT
TEMP
TEMPAMB
TERMLOAD
IEC11000246-1-en.vsd
IEC11000246 V1 EN
Figure 50: LCPTTR/LFPTTR function block
6.6.4 Signals
Table 55: LCPTTR 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
Section 6 1MRK 511 287-UEN A
Current protection
122
Technical manual

ABB REC650 Specifications

General

Brand	ABB
Model	REC650
Category	Control Unit
Language	English