
Guidelines for planning the electrical installation 73
Example bypass connection
An example bypass connection is shown below.
Switching the motor power supply from drive to direct-on-line
1. Stop the drive and the motor with the drive control panel (drive in the local control
mode) or the external stop signal (drive in the remote control mode).
2. Open the main contactor of the drive with S11.
3. Switch the motor power supply from the drive to direct-on-line with S40.
4. Wait for 10 seconds to allow the motor magnetization to die away.
5. Start the motor with S41.
Q1
Drive main switch
Q4
Bypass circuit breaker
K1
Drive main contactor
K4
Bypass contactor
K5
Drive output contactor
S11
Drive main contactor on/off control
S40
Motor power supply selection (drive or direct-on-line)
S41
Start when motor is connected direct-on-line
S42
Stop when motor is connected direct-on-line
Содержание ACS880-07XT Series
Страница 1: ...ABB industrial drives Hardware manual ACS880 07XT drives 400 to 1200 kW ...
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Страница 20: ...20 Safety instructions ...
Страница 26: ...26 Introduction to the manual ...
Страница 47: ...Mechanical installation 47 Moving the crate with a forklift Free width for fork tines 750 mm 29 5 ...
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Страница 89: ...Electrical installation 89 PE 11 8 4 9 11 ...
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Страница 110: ...110 Start up Test and validate the operation of Prevention of unexpected start with FSO xx option Q950 Action ...
Страница 112: ...112 Fault tracing ...
Страница 123: ...Maintenance 123 5 6 7 ...
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Страница 128: ...128 Maintenance 12 11 10 ...
Страница 149: ...Dimensions 149 Dimension drawing examples Frame 2 R11 R10 with brake chopper ...
Страница 150: ...150 Dimensions Frame 2 R11 R10 without brake chopper ...
Страница 153: ...Dimensions 153 Location of input terminals ACS880 07XT 12 pulse ...
Страница 154: ...154 Dimensions Location of output terminals ACS880 07XT R10 with du dt ...
Страница 155: ...Dimensions 155 Location of output terminals ACS880 07XT R10 without du dt ...
Страница 156: ...156 Dimensions Location of output terminals ACS880 07XT R11 with du dt ...
Страница 157: ...Dimensions 157 Location of output terminals ACS880 07XT R11 without du dt ...
Страница 158: ...158 Dimensions Location of PE terminals ACS880 07XT ...
Страница 159: ...Dimensions 159 Location of resistor terminals ACS880 07XT R10 ...
Страница 160: ...160 Dimensions Location of resistor terminals ACS880 07XT R11 ...
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