ABB PST - Page 21

Low Voltage Products & Systems 21
ABB Inc. • 888-385-1221 • www.abb-control.com AC 1006.9 - 5/03
Fault Supervision functions
• Internal softstarter faults
• Shorted SCR
• Non conducting SCR
• Open circuit motor side
• Over-temperature heat sink
• Phase loss
• Frequency out of range
• Fieldbus communication
• By-pass contactor
Other functions
• Jog
• Real time clock
• Event log
• Keypad password
Chapter 3 - Description