3.5 Circuit breaker trip
The signaling contacts ire these inputs detect the protections the norm al
and emergency line irc breakers.3 Circuit breaker state
Tw inputs are connected the norm and emergency line circu breaker state
contacts open contact open).
3.4. ikew ise enables the reverse
sw itch ing procedure hen the norm pow supply returns. fte repair, the gic can restored running Reset.4.
I fix irc breakers are used, this ust short-circuited.4. the circu breaker is
w ith dra transfer itch gic disabled.
The anomalies detected are displayed the fro the ith three o-co r
LEDs.4 Circuit breaker position
I the ircu breakers are the type that can ithdraw xiliary positio contacts
are connected these inputs ith raw contact open).The net sensor able detect the llo anomalies:
- inim and axim voltage
- phase loss
- voltage balance
- voltage sequence inverted
- inim and axim frequency.
W hen the circu breaker inserted, the autom ation logic can restored running
a Reset (using the push tton the fro the device through remote input). ever, the emergency
line pow ered itio alone not enough itching; the llo additional
conditions are required:
- gen set alarms
- itch ing enabled input.4. one the protections trips, the autom ation
lo disabled.
The net sensor onitors the norm pow start the norm al-to-em ergency line
sw itch ing procedure net anom aly detected.
ABB SACE SACE ATS010 RH0202002 L2467 /48
.2 Emergency power voltage sensor
This input connected phases the emergency pow supply line and
makes possible detect hether the line powered.
3.
3
