WEG CFW-11 User Manual - page 5

Contents

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 INFORMATION ............................................................... 2-1

2.1 ABOUT THE MANUAL ................................................................................. 2-1

2.2 TERMS AND DEFINITIONS USED IN THE MANUAL ..................................... 2-2

2.3 ABOUT THE CFW-11  .................................................................................. 2-5

2.4 CFW-11 IDENTIFICATION LABELS ............................................................. 2-12

2.5 HOW TO SPECIFY THE CFW-11 MODEL (SMART CODE) ............................ 2-14

2.6 RECEIVING AND STORAGE ....................................................................... 2-15

3 INSTALLATION AND CONNECTION ............................................... 3-1

3.1 MECHANICAL INSTALLATION ..................................................................... 3-1

3.1.1 Environmental Conditions .................................................................. 3-1

3.1.2 Positioning and Mounting .................................................................. 3-2

3.1.3 Cabinet Mounting .............................................................................. 3-5

3.1.4 Access to the Control and Power Terminals ........................................ 3-6

3.1.5 HMI Installation at the Cabinet Door or Command Panel 

(Remote HMI) .............................................................................................. 3-7

3.2 ELECTRICAL INSTALLATION ........................................................................ 3-8

3.2.1 Identification of the Power and Grounding Terminals ......................... 3-8

3.2.2 Power/Grounding Wiring and Fuses ................................................ 3-12

3.2.3 Power Connections ........................................................................... 3-19

3.2.3.1 Input Connections .............................................................. 3-21

3.2.3.1.1 Power Supply Capacity ........................................ 3-22

3.2.3.1.2 IT Networks ......................................................... 3-22

3.2.3.1.3 Command Fuses of Pre-charge Circuit ................. 3-23

3.2.3.2 Dynamic Braking ................................................................ 3-23

3.2.3.3 Output Connections ............................................................ 3-25

3.2.4 Grounding Connections ................................................................... 3-28

3.2.5 Control Connections ......................................................................... 3-29

3.2.6 Typical Control Connections ............................................................. 3-35

3.3 SAFETY STOP FUNCTION  ......................................................................... 3-38

3.3.1 Installation ....................................................................................... 3-40

3.3.2 Operation ........................................................................................ 3-41

3.3.2.1 Truth Table ......................................................................... 3-41

3.3.2.2 State of Inverter, Fault and Alarm Related to Safety Stop 

Function ......................................................................................... 3-41

3.3.2.3 STO Status Indication ......................................................... 3-41

3.3.2.4 Periodic Test ........................................................................ 3-42

3.3.3 Examples of Wiring Diagrams of Inverter Control Signal ................. 3-42

3.3.4 Technical Specifications .................................................................... 3-44

3.3.4.1 Electrical Control Characteristics ........................................ 3-44

3.3.4.2 Operational Safety Characteristics ...................................... 3-44