WEG CFW-11 User Guide

Index
CHAPTER 1
Safety Instructions
1.1 Safety Warnings in the Manual .....................................................................................................1-1
1.2 Safety Warnings in the Product .....................................................................................................1-1
1.3 Preliminary Recommendations ....................................................................................................1-2
CHAPTER 2
General Instructions
2.1 About the Manual ......................................................................................................................2-1
2.2 Terms and Definitions ..................................................................................................................2-1
2.3 About the CFW-11 .....................................................................................................................2-4
2.4 Identification Labels for the CFW-11 .............................................................................................2-7
2.5 Receiving and Storage ..............................................................................................................2-10
CHAPTER 3
Installation and Connection
3.1 Mechanical Installation ...............................................................................................................3-1
3.1.1 Installation Environment .....................................................................................................3-1
3.1.2 Mounting Considerations ...................................................................................................3-1
3.1.3 Cabinet Mounting ............................................................................................................3-4
3.1.4 Installation of the Inverter Hoisting Eyes ...............................................................................3-5
3.1.5 Installation of the Inverter with Nema 1 Kit (Optional, CFW11XXXXTXON1) on a Wall.............3-6
3.1.6 Access to the Control and Power Terminal Strips ...................................................................3-6
3.1.7 Removal of the Cable Passage Plate ...................................................................................3-8
3.1.8 HMI Installation at the Cabinet Door or Command Panel (Remote HMI) ................................3-8
3.2 Electrical Installation ...................................................................................................................3-9
3.2.1 Identification of the Power and Grounding Terminals ............................................................3-9
3.2.2 Power / Grounding Wiring and Fuses ................................................................................3-10
3.2.3 Power Connections ..........................................................................................................3-14
3.2.3.1 Input Connections ..............................................................................................3-14
3.2.3.1.1 IT Networks ........................................................................................3-15
3.2.3.1.2 Command Fuses .................................................................................3-16
3.2.3.2 Dynamic Braking ................................................................................................3-16
3.2.3.2.1 Sizing the Braking Resistor ....................................................................3-17
3.2.3.2.2 Installation of the Braking Resistor .........................................................3-18
3.2.3.3 Output Connections ...........................................................................................3-19
3.2.4 Grounding Connections ..................................................................................................3-21
3.2.5 Control Connections .......................................................................................................3-22
3.2.6 Typical Control Connections .............................................................................................3-26
3.3 Installation According to the European Directive of Electromagnetic Compatibility .........................3-29
3.3.1 Conformal Installation .....................................................................................................3-29
3.3.2 Standard Definitions ........................................................................................................3-30
3.3.3 Emission and Immunity Levels ...........................................................................................3-31

WEG CFW-11 Specifications

General

Category	DC Drives
Model	CFW-11
Power Range	1.1-560 kW (1.5-750 hp)
Overload Capacity	150% for 60 seconds
Braking	dynamic braking (optional)
Communication	Modbus RTU
Enclosure	IP20