Device functions
ECOFAST Motor Starters
GWA 4NEB 950 0562-12
5-5
Deutsc
h
Eng
lish
5.4
Electronic/mechanical switching technology
Electronic switching technology
The motor starter controls the motor in a 2-phase system with power semi-
conductors.
(Only applicable to soft starters)
Mechanical switching technology
The motor starter controls the motor in a 3-phase system with contactors.
Possible causes of faults
The "Switching technology" device function returns the "General fault" signal
in response to the following causes:
• Switching element defective (e.g. contactor contact welded, power semicon-
ductor failed)
• Switching element overload (e.g. semiconductor too hot, only applicable to
soft starters)
Summary of Contents for ECOFAST
Page 1: ...Part ofTotally Integrated Automation ecofast 02 2002 Motor Starter ...
Page 7: ...ECOFAST Motor Starters iv GWA 4NEB 950 0562 12 ...
Page 9: ...ECOFAST Motor Starters vi GWA 4NEB 950 0562 12 ...
Page 17: ...Motor Starters Overview ECOFAST Motor Starters 1 6 GWA 4NEB 950 0562 12 ...
Page 25: ...Installation of Motor Starters ECOFAST Motor Starters 2 8 GWA 4NEB 950 0562 12 ...
Page 55: ...Device functions ECOFAST Motor Starters 5 6 GWA 4NEB 950 0562 12 ...
Page 75: ...ECOFAST Motor Starter Index 2 GWA 4NEB 950 0562 12 ...
Page 77: ...Correction page ECOFAST Motor Starters GWA 4NEB 950 0562 12 ...