6.3 Resetting protection relays
6.3.1 Clearing and acknowledging via the local HMI
All messages and indications, including LEDs and latched outputs as well as registers and
indications, including recordings can be reset, acknowledged or cleared with the Clear
button. Pressing the Clear button activates a menu for selecting the wanted clearing or
reset function. Events and alarms assigned to programmable LEDs can also be cleared
with the Clear button.
1.
Press
to activate the Clear view.
All the items that can be cleared are shown.
• Indications and LEDs
• Programmable LEDs
• Events
• Metering records
• Power quality data
• DFR records
• Fault records
• Load profile record
• Acc. energy of circuit breaker condition monitoring and three-phase power
and energy measurement
• Rem. life of circuit breaker condition monitoring
• Travel times of circuit breaker condition monitoring
• Spr. charge time of circuit breaker condition monitoring
• Temperature of three-phase thermal protection for feeders, cables and
distribution transformers, and thermal overload protection for motors
• Reset of autoreclosing
• Operation time of runtime counter for machines and devices
• Counters for autoreclosing and motor startup supervision
• Master trip
1MAC456939-IB D Section 6
Operating procedures
620 series ANSI 93
Operation Manual
To Next Page
Loading...
