6.6.3 Function block
M12627-3 v8
LCPTTR
I3P*
BLOCK
BLKTR
ENMULT
AMBTEMP
SENSFLT
RESET
TRIP
START
ALARM
LOCKOUT
IEC13000199-1-en.vsd
IEC13000199 V1 EN-US
LFPTTR
I3P*
BLOCK
BLKTR
ENMULT
AMBTEMP
SENSFLT
RESET
TRIP
START
ALARM
LOCKOUT
IEC13000301-1-en.vsd
IEC13000301 V1 EN-US
Figure 53: LCPTTR/LFPTTR function bloc
6.6.4 Signals
PID-3908-INPUTSIGNALS v7
Table 67: LCPTTR Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Group signal for current input
BLOCK BOOLEAN 0 Block of function
BLKTR BOOLEAN 0 Block of trip
ENMULT BOOLEAN 0 Current multiplyer used when THOL is for two or
more lines
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
PID-3909-INPUTSIGNALS v9
Table 68: LFPTTR Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Group signal for current input
BLOCK BOOLEAN 0 Block of function
BLKTR BOOLEAN 0 Block of trip
ENMULT BOOLEAN 0 Current multiplyer used when THOL is for two or
more lines
Table continues on next page
1MRK 505 384-UEN A Section 6
Current protection
Breaker protection REQ650 2.2 IEC 141
Technical manual