Example Bypass Connection - ABB ACS580-01 Hardware Manual

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Example bypass connection

An example bypass connection is shown below.
Q1 Main switch for the drive
Q4 Bypass circuit breaker
K1 Drive main contactor
K4 Bypass contactor
K5 Drive output contactor
Planning the electrical installation 69
S11 Drive main contactor on/off control
S40 Motor power supply selection (drive or
direct-on-line)
S41 Start when the motor is connected direct-
on-line
S42 Stop when the motor is connected direct-
on-line
U1 Drive