ABB REL650 - Settings

7.7.5 Settings
PID-3908-SETTINGS v7
Table 112: 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
Tau 1 - 1000 Min 1 45 Time constant of the line in minutes.
AlarmTemp 0 - 200 Deg C 1 80 Temperature level for start (alarm)
TripTemp 0 - 300 Deg C 1 90 Temperature level for trip
ReclTemp 0 - 300 Deg C 1 75 Temperature for reset of lockout after trip
tPulse 0.05 - 0.30 s 0.01 0.10 Operate pulse length. Minimum one
execution cycle
AmbiSens Off
On
- - Off External temperature sensor available
DefaultAmbTemp -50 - 100 Deg C 1 20 Ambient temperature used when
AmbiSens is set to Off.
DefaultTemp -50 - 300 Deg C 1 50 Temperature raise above ambient
temperature at startup
Table 113: LCPTTR Non group settings (basic)
Name
Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base
Value groups
PID-3909-SETTINGS v8
Table 114: LFPTTR Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
TRef 0 - 600 Deg F 1 160 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
Tau 1 - 1000 Min 1 45 Time constant of the line in minutes.
AlarmTemp 0 - 400 Deg F 1 175 Temperature level for start (alarm)
TripTemp 0 - 600 Deg F 1 195 Temperature level for trip
Table continues on next page
1MRK 506 382-UEN A Section 7
Current protection
Line distance protection REL650 2.2 IEC 233
Technical manual