ABB ACS6000 - Page 4

2.7 Important note - main circuit breaker 47
2.7.1 Safety and protection requirements 48
2.7.2 Safety and protection requirements for the MCB 48
2.8 Maintenance recommendation 49
3. Power electronics and cabinet features 51
3.1 Drive system topology 51
3.1.1 Drive 51
3.1.1.1 ACS6000 cabinet units 53
3.1.1.2 Final drive configuration 53
3.1.2 Motor 53
3.2 Standard cabinet units 53
3.2.1 Active rectifier unit (ARU)/inverter unit (INU) 53
3.2.2 Line supply unit (LSU) 55
3.2.3 Capacitor bank unit (CBU) 58
3.2.4 Terminal unit (TEU) 59
3.2.5 Control unit (COU) 60
3.2.5.1 COU versions 60
3.2.5.2 Control system configuration 62
3.2.5.3 AMC circuit board 63
3.2.5.4 Main circuit breaker 64
3.2.5.5 Speed and torque control 65
3.2.5.6 Peripheral I/O devices 65
3.2.5.7 Local control panels 66
3.2.5.8 S800 I/O system 66
3.2.6 Water cooling unit (WCU) 67
3.2.6.1 Cooling circuit 70
3.2.6.2 External cooling connection 70