
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 ACS880-04F
Страница 1: ...ABB industrial drives Hardware manual ACS880 04F drive modules ...
Страница 4: ......
Страница 24: ...24 Introduction to the manual ...
Страница 46: ...46 Guidelines for planning the mechanical installation ...
Страница 102: ...102 Installation checklist ...
Страница 106: ...106 Fault tracing ...
Страница 135: ...Technical data 135 Declaration of Conformity ...
Страница 136: ...136 Technical data ...
Страница 140: ...140 Technical data ...
Страница 142: ...142 Dimension drawings Standard configuration IP20 UL Open Type ...
Страница 143: ...Dimension drawings 143 Drive module with options E208 and H370 IP20 UL Open Type ...
Страница 144: ...144 Dimension drawings Drive module with options 0B051 E208 0H371 IP00 UL Open Type ...
Страница 145: ...Dimension drawings 145 Drive module with options 0B051 E208 0H371 C217 IP00 UL Open Type ...
Страница 146: ...146 Dimension drawings Drive module with options 0B051 0H371 IP00 UL Open Type ...
Страница 147: ...Dimension drawings 147 Mounting plate 3AXD50000038119 ...
Страница 148: ...148 Dimension drawings 3AXD50000038119 ...
Страница 149: ...Dimension drawings 149 External control unit 3axd50000011687 ...
Страница 150: ...150 Dimension drawings ...
Страница 164: ...164 Safe torque off function ...