PID-3909-INPUTSIGNALS v9
Table 91: 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
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-3908-OUTPUTSIGNALS v7
Table 92: LCPTTR Output signals
Name Type Description
TRIP BOOLEAN Trip
START BOOLEAN Start Signal
ALARM BOOLEAN Alarm signal
LOCKOUT BOOLEAN Lockout signal
PID-3909-OUTPUTSIGNALS v8
Table 93: LFPTTR Output signals
Name
Type Description
TRIP BOOLEAN Trip
START BOOLEAN Start Signal
ALARM BOOLEAN Alarm signal
LOCKOUT BOOLEAN Lockout signal
8.5.5  Settings
PID-3908-SETTINGS v7
Table 94: 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 The load current (in % of IBase) leading
to TRef temperature
IMult 1 - 5 - 1 1 Current multiplier when function is used
for two or more lines
Table continues on next page
Section 8 1MRK 505 394-UEN A
Current protection
206 Line differential protection RED650 2.2 IEC
Technical manual