WEG CFW-11 User Manual - page 4
Index
1 SAFETY INSTRUCTIONS .................................................................. 1-1
1.1 SAFETY WARNINGS IN THE MANUAL ......................................................... 1-1
1.2 SAFETY WARNINGS IN THE PRODUCT ........................................................ 1-1
1.3 PRELIMINARY RECOMMENDATIONS ........................................................... 1-2
2 GENERAL INSTRUCTIONS .............................................................. 2-1
2.4 IDENTIFICATION LABELS FOR THE CFW-11 ................................................ 2-7
3 INSTALLATION AND CONNECTION ............................................... 3-1
3.1.4 Installation of the Inverter Hoisting Eyes ............................................ 3-6
3.1.5 Installation of the Inverter with Nema1 Kit (Option, CFW11....T...
3.1.6 Access to the Control and Power Terminal Strips ................................ 3-7
3.1.7 Removal of the Cable Passage Plate ................................................... 3-9
3.1.8 HMI Installation at the Cabinet Door or Command Panel (Remote
3.2.1 Identification of the Power and Grounding Terminals ....................... 3-11
3.2.2 Power/Grounding Wiring and Fuses ................................................ 3-11
3.2.3.1 Input Connections .............................................................. 3-16
3.2.3.2 AC Power Supply Considerations ........................................ 3-17
3.2.3.2.1 IT Networks ......................................................... 3-17
3.2.3.2.2 Command Fuses of Pre-Charge Circuit ............... 3-19
3.2.3.3 Dynamic Braking ................................................................ 3-19
3.2.3.2.1 Sizing the Braking Resistor .................................. 3-20
3.2.3.2.2 Installation of the Braking Resistor ...................... 3-21
3.2.3.4 Output Connections ............................................................ 3-22
3.2.4 Grounding Connections ................................................................... 3-24
3.2.6 Typical Control Connections ............................................................. 3-31
3.3.2.1 Truth Table ......................................................................... 3-36
3.3.2.2 State of Inverter, Fault and Alarm Related to Safety Stop
3.3.2.3 STO Status Indication ......................................................... 3-36
3.3.2.4 Periodic Test ........................................................................ 3-37