User Manuals: Danfoss VLT 4000 Variable Speed Drives

Manuals and User Guides for Danfoss VLT 4000 Variable Speed Drives. We have 2 Danfoss VLT 4000 Variable Speed Drives manuals available for free PDF download: Service Manual, Instructions Manual

Danfoss VLT 4000 Service Manual

Danfoss VLT 4000 Service Manual (158 pages)

Brand: Danfoss | Category: DC Drives | Size: 11 MB

Table of Contents

Table of Contents
3
Introduction
9
Purpose
9
Vlt Product Overview
9
For Your Safety
9
Electrostatic Discharge (Esd)
9
Tools Required
11
Section 1 Operator Interface and Drive Control
21
Introduction
21
- Normal Display
  21
- Status Display
  22
- Factory Default Display Settings
  22
Warnings and Alarms
26
- Alarms
  26
- Warnings
  26
Service Functions
26
Fault Message Table
27
Drive Inputs and Outputs
28
- Input Signals
  28
- Output Signals
  28
- Control Terminals
  29
- Control Terminal Functions
  29
- Grounding Shielded Cables
  31
Section 2 Internal Drive Operation
33
General
33
Description of Operation
33
- Logic Section
  33
- Logic to Power Interface
  34
- Power Section
  35
Sequence of Operation
36
- Rectifier Section
  36
- Intermediate Section
  38
- Inverter Section
  40
- Brake Option
  42
- Cooling Fans
  43
- Load Sharing
  43
- Specific Card Connections
  43
Section 3 Troubleshooting
45
Troubleshooting Tips
45
3 Fault Symptoms

47
- Display
  47
  - No Display
    47
  - Intermittent Display
    47
  - Display (Line 2) Flashing
    47
  - WRONG or WRONG LCP Displayed
    47
- Motor
  48
  - Motor will Not Run
    48
  - Incorrect Motor Operation
    49
- Warning and Alarm Messages
  50
- After Repair Tests
  57
- Section 4 Drive and Motor Applications
  59
  - Torque Limit, Current Limit, and Unstable Motor Operation
    59
  - Overvoltage Trips
    60
  - Mains Phase Loss Trips
    60
  - Control Logic Problems
    61
  - Programming Problems
    61
  - Motor/Load Problems
    61
- Internal Drive Problems
  62
- Signal Conductor Currents
  64
  - Preventative Measures
    65
  - Proper EMC Installation
    66
- Section 5 Test Procedures
  67
- Introduction
  67
- Tools Required for Testing
  67
  - Signal Test Board
    67
  - Test Cable
    67
5 Test Procedures

68
- Static Test Procedures
  68
  - Soft Charge and Rectifier Circuits Test: D-Frame Size
    69
- Soft Charge Card Fuses
  69
  - Soft Charge Rectifier Test: D-Frame Size
    71
- Soft Charge Card Connectors
  71
  - Soft Charge and Rectifier Circuits Test: E-Frame Sizes
    72
- Soft Charge Card Fuse Location
  72
- Dynamic Test Procedures
  79
  - No Display Test
    80
  - Input Voltage Test
    80
  - Basic Control Card Voltage Test
    80
  - Switch Mode Power Supply (SMPS) Test
    81
  - Zero DC Bus Voltage Test
    81
  - DC under Voltage Test
    82
  - Input Phase Imbalance Test
    82
  - Input Waveform Test
    83
  - Input SCR Test
    85
  - Output Phase Imbalance Test
    86
  - IGBT Gate Drive Signals Test
    87
  - IGBT Switiching Test
    90
  - Brake IGBT Test
    90
  - Current Sensors Test
    91
  - Fan Tests
    92
  - Input Terminal Signal Tests
    93
  - Control Card Test
    94
- Initial Start up or after Repair Drive Tests
  95
- Section 6 D-Frame Sizes Disassembly and Assembly Instructions
  97
- Electrostatic Discharge (Esd)
  97
6 Instructions

97
- Control Card Cassette
  97
- Interface Card
  98
- Power Card
  98
- Control Card/Power Card Mounting Plate
  98
- Interface Card, Power Card, and Mounting Plate
  98
  - Gate Drive Card
    99
  - Soft Charge Card
    99
- Soft Charge Card Assy
  99
  - Capacitor Bank(S)
    100
  - Upper Capacitor Bank D2 Units
    100
  - Lower Capacitor Bank D2 Units
    100
  - Single Capacitor Bank D1 Units
    101
  - Soft Charge (SC) Resistors D2 Units
    102
- Soft Charge Resistor
  102
  - Soft Charge (SC) Resistors D1 Units
    103
- D2 Soft Charge Resistor
  103
- D1 Soft Charge Resistor
  104
  - Input Terminal Mounting Plate Assy
    106
  - Scr/Diode Module D2 Units
    107
- D2 Scr/Diode Module
  110
- D1 Scr/Diode Module
  110
  - Scr/Diode Module D1 Units
    111
  - Current Sensor
    114
  - Fan Assembly
    115
- Fanassembly
  115
  - AC Input Terminals
    117
  - IGBT Modules D2 Units
    118
- D2 IGBT Modules
  118
  - IGBT Modules D1 Units
    121
- Section 7 E-Frame Sizes Disassembly and Assembly Instructions
  123
- Electrostatic Discharge (Esd)
  123
7 Instructions

123
- Control Card Cassette
  123
- Interface Card
  124
- Power Card
  124
- Control Card/Power Card Mounting Plate
  124
- Gate Drive Card
  125
- Soft Charge Card
  125
- Capacitor Banks
  126
- Upper Capacitor Bank
  126
- Lower Capacitor Bank
  126
- Upper and Lower Capacitor Bank Assemblies
  126
  - Input Terminal Mounting Plate Assy Option
    127
  - Soft Charge Resistor
    128
  - SCR and Diode Modules
    129
  - Current Sensor
    132
- Current Sensors
  132
  - Fan Assembly
    133
- Fanassembly
  133
  - AC Input, Motor, Load Sharing or Regen Terminals
    134
- Terminal Blocks
  134
  - IGBT Modules
    135
- Section 8 Special Test Equipment
  139
- Test Equipment
  139
  - Test Cable and SCR Shorting Plug (P/N 176F8439)
    139
- Test Cable and SCR Shorting Plug
  139
  - Signal Test Board (P/N 176F8437)
    140
  - Signal Test Board Pin Outs: Description and Voltage Levels
    140
- Signal Test Board
  140

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Danfoss VLT 4000 Instructions Manual

Danfoss VLT 4000 Instructions Manual (16 pages)

Brand: Danfoss | Category: DC Drives | Size: 11 MB

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