ABB Relion 670 series, Technical Reference Manual

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7.7.3 Function block
LPTTR (26)
I3P*
BLOCK
BLKTR
MULTPU
AMBTEMP
SENSFLT
RESET TRIP
PICKUP
ALARM
LOCKOUT
ANSI04000396-2-en.vsd
ANSI04000396 V2 EN
Figure 226: LPTTR (26) function block
7.7.4 Input and output signals
Table 215: LPTTR (26) Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Group connection
BLOCK BOOLEAN 0 Block of function
BLKTR BOOLEAN 0 Block of trip
MULTPU 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
Table 216: LPTTR (26) Output signals
Name Type Description
TRIP BOOLEAN Trip
PICKUP BOOLEAN Pickup Signal
ALARM BOOLEAN Alarm signal
LOCKOUT BOOLEAN Lockout signal
Section 7
1MRK505222-UUS C
Current protection
454
Technical reference manual