ABB REG650 Technical Manual page 219

1MRK 502 043-UUS B
Technical Manual
I3P
Calculation
of final
temperature
Current base used
Binary input:
Forced cooling
Enabled/
Management of
Disabled
setting
parameters: Tau
ANSI08000040 V1 EN
Figure 97: Functional overview of TRPTTR (49)
Final Temp
> TripTemp
Calculation
of heat
content
Actual Temp >
Alarm1,Alarm2
Actual Temp
> TripTemp
Actual Temp
Tau used
Calculation
of time to
Calculation
of time to
reset of
lockout
Section 8
Current protection
PICKUP
actual heat comtent
ALARM1
ALARM2
Temp
LOCKOUT
S
R
< Recl
Temp
WARNING if time to trip < set value
trip
TRESLO
ANSI08000040-1-en.vsd
TRIP
TTRIP
213