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Example bypass connection
An example bypass connection is shown below.
Drive main switch
Q1
Bypass circuit breaker
Q4
Drive main contactor
K1
Bypass contactor
K4
Drive output contactor
K5
Drive main contactor on/off control
S11
Motor power supply selection (drive or direct-on-line)
S40
Start when motor is connected direct-on-line
S41
Stop when motor is connected direct-on-line
S42
Switching the motor power supply from drive to direct-on-line
1. Stop the drive and the motor with the drive control panel stop key (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 dissipate.
5. Start the motor with S41.
96 Guidelines for planning the electrical installation
Summary of Contents for ACS880-14
Page 1: ...ABB INDUSTRIAL DRIVES ACS880 14 drive modules 132 400 kW 200 400 hp Hardware manual...
Page 2: ......
Page 4: ......
Page 14: ...14...
Page 24: ...24...
Page 30: ...30...
Page 54: ...54...
Page 64: ...64...
Page 98: ...98...
Page 114: ...With twin connectors in the control panel holder 1 2 3 1 114 Electrical installation...
Page 115: ...With FDPI 02 modules OPEN TERMIN ATED 1 1 2 2 OPEN TERMINATED 3 Electrical installation 115 11...
Page 142: ...4 5 6 3 3 1 1 1 1 2 142 Installation example with full cabling panels option H381...
Page 150: ...150 Installation example with full cabling panels option H381...
Page 156: ...156...
Page 204: ...Standard configuration 204 Dimension drawings...
Page 206: ...Drive module with options 0B051 H356 0H371 206 Dimension drawings...
Page 207: ...Configuration with option H381 3AXD50000323210 Dimension drawings 207...
Page 208: ...LCL filter module 208 Dimension drawings...
Page 212: ...External control unit 3AXD50000011687 212 Dimension drawings...
Page 230: ...Declaration of conformity 230 The Safe torque off function...
Page 241: ...241...
Page 246: ...246...