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Danfoss VLT 6000 User Manual

Danfoss VLT 6000
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VLT
®
6000 HVAC
1
MG.60.G2.02 - VLT is a registered Danfoss Trademark
Contents
Introduction
Safety.......................................................................3
Safety Guidelines........................................................3
Warnings Against Unintended Start ...............................3
Introduction ...............................................................4
About this manual.......................................................4
Assumptions..............................................................4
References................................................................4
Trademarks ...............................................................5
Programming the VLT 6000
Control Panel.............................................................5
Parameter Change Keys .............................................5
Local Control .............................................................6
Quick Menu ..............................................................6
To Enter or Change Quick Menu Parameter Data...........7
Example of Changing Parameter Data...........................7
Extended Menu..........................................................8
HP/kW......................................................................8
VLT 6000 Functional Features
Drive Operation..........................................................8
Motor and Drive Thermal Protection .............................8
Set-up 1-4.................................................................8
Current Monitoring and Limits.......................................9
Direction of Rotation ...................................................9
Start/Stop..................................................................9
Freeze Mode .............................................................9
Coast........................................................................9
Motor Ramp-up and Ramp-down Rate .........................9
Lock Panel................................................................9
Hand/Auto Modes.......................................................9
Run Enable................................................................9
Bus Functions............................................................9
Frequency Out High, Low Limits...................................9
Relay Out 1,2 ...........................................................9
PID Control Functions................................................10
Sleep Mode .............................................................10
Drive Control Display .................................................10
Terminals.................................................................10
Faults, Warnings and Alarms ......................................10
Error Status .............................................................10
VLT 6000 Network Strategies
Strategy One ...........................................................11
Strategy Two........................................................... 11
Strategy Three .........................................................13
Strategy Four...........................................................13

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Danfoss VLT 6000 Specifications

General IconGeneral
CategoryController
Cooling methodForced air cooling
EnclosureIP20
Output frequency range0-500Hz
Protection featuresOvervoltage, Undervoltage, Short circuit
Communication optionsProfibus
Ambient temperature range-10°C to +40°C

Summary

Introduction to VLT 6000 HVAC

Safety Precautions

General safety precautions and warnings for working with electrical equipment.

Safety Guidelines

Essential guidelines for safe installation, operation, and maintenance.

Warnings Against Unintended Start

Critical warnings to prevent unexpected motor starts during operation or maintenance.

About This Manual

Details the manual's purpose, intended audience, and scope for VLT 6000 HVAC operation.

Assumptions

Outlines prerequisites and user knowledge assumed for understanding the manual.

References

Lists related documents and resources for further information on VLT 6000.

Trademarks

Identifies registered trademarks associated with the VLT 6000 and FLN.

Programming the VLT 6000

Control Panel Overview

Overview of the Local Control Panel (LCP) for programming and operating the VLT 6000.

Parameter Change Keys

Explains the functions of various keys on the VLT 6000 keypad for parameter setup.

Local Control Functions

Details how to start/stop the drive using digital inputs and local control panel keys.

Quick Menu Setup

Introduces the Quick Menu for essential drive setup parameters.

Extended Menu Access

Accessing all VLT 6000 parameters beyond the Quick Menu for comprehensive setup.

HP/kW Conversion

Provides a conversion index for motor power ratings between HP and kW.

VLT 6000 Functional Features

Drive Operation Details

Details operational status information provided by the FLN interface.

Motor and Drive Thermal Protection

Explains how the drive protects the motor and itself against thermal overload.

Set-up 1-4 Configuration

Describes the capability to maintain four independent program set-ups for different operating modes.

Current Monitoring and Limits

How to monitor and limit motor current for torque control and protection.

Direction of Rotation Control

Controls motor rotation direction via serial commands, allowing safe reversal.

Start/Stop Commands

Methods for starting and stopping the drive using FLN or digital terminals.

Freeze Mode Functionality

Option to freeze drive frequency at its current value, useful during serial interface loss.

Coast Stop Functionality

Command to shut down the inverter, allowing the motor to freewheel to a stop.

Motor Ramp-up and Ramp-down Rate

Programming acceleration and deceleration times for motor speed changes.

Lock Panel Feature

Disables local control panel operations to prevent unauthorized changes.

Hand/Auto Modes Selection

Switching between Hand and Auto control modes for the drive.

Run Enable Signal

Enables or disables the drive to run based on FLN or digital terminal signals.

Bus Functions Configuration

Configures drive response to loss of serial communication.

Frequency Out High, Low Limits

Sets maximum and minimum drive output frequency limits.

Relay Output 1 and 2

Describes the functionality and control of the drive's two programmable relay outputs.

PID Control Functions

Details the built-in PID controller for closed-loop operation and gain translation.

Sleep Mode Operation

Energy-saving mode that stops the drive during low demand and restarts it when needed.

Drive Control Display

How operational status is displayed via the FLN serial interface.

Terminals 53, 54, 60

Analog input terminals for reference or feedback signals.

Faults, Warnings and Alarms

How the drive reports faults, warnings, and alarms on the FLN serial bus.

VLT 6000 Network Strategies

Strategy One: Monitor Drive Operation

FLN monitors drive; VLT 6000 uses hard-wired controls and external PID.

Strategy Two: Control Drive Operation

FLN controls all drive aspects; VLT 6000 uses FLN for speed/control, FLN has PID loop.

Network Inputs for Speed Command

Details how the FLN can control drive points, particularly speed commands.

Start/Stop Command via FLN

Methods for issuing start/stop commands from the FLN, including CMD COAST and CMD STP.STRT.

RUN ENABLE Signal

Enables or disables the drive's operation via FLN or digital terminals.

Strategy Three: Monitor PID Operation

FLN monitors drive; VLT 6000 uses internal PID controller and hard-wired signals.

Network Inputs for Feedback/Setpoint

Input points for FLN to provide feedback and setpoint information to the drive.

Feedback Signal Points

Details points for feedback signals (FB MIN, FB MAX, BUS FB 1, BUS FB 2) for PID control.

Strategy Four: FLN Controls PID

FLN provides setpoint and feedback to VLT 6000 PID controller for motor speed determination.

Setpoint Configuration

Defines REF MIN and REF MAX points for setting the PID controller's reference range.

Setpoint 1 Configuration

Configures the primary setpoint for the PID controller, within defined reference limits.

Setpoint 2 Configuration

Configures a secondary setpoint for applications with two feedback signals.

PID Controller Adjustments

Points that adjust the operation of the VLT 6000 PID control loop.

VLT 6000 Special Functions

Safety Interlock Features

Accepts safety interlock stop commands from hard-wired terminals and the FLN.

Analog Input Monitoring

Monitoring analog control signals applied to terminals 53, 54, and 60.

Drive Relay Control

Using FLN to control the drive's built-in relays for sequencing or status.

Network Connection Procedure

Procedure for connecting the VLT 6000 to the FLN network.

Hardware Setup

Terminator Switch Settings

Configures drive settings for FLN bus communication using dip switches.

Electrical Control Terminals

Typical Control Connection Examples

Transmitter Connection Example

Example of powering an external transducer using the drive's 24 VDC supply.

Two Feedback Signals Connection

How the drive processes two independent feedback signals for closed-loop operation.

Parameter Settings

Startup of FLN Control

Faults, Warnings, and Alarms

How the VLT 6000 outputs faults, warnings, and alarms on the FLN serial bus.

Point Mapping Table

Common Configuration Points

Points for configuring common settings like day/night mode and current limits.

Physical Output Points

Points related to physical outputs like relays and status indicators.

Setpoint Related Points

Points associated with setting and managing reference values for the drive.

PI Loop Related Points

Points related to the Proportional-Integral (PI) controller's parameters and feedback.

Miscellaneous Points

Various points for controlling drive functions like auto ramp, volt status, and resets.

Error Related Points

Points used for monitoring and managing drive faults, warnings, and errors.

Point Mapping Table Notes

Point Database Definitions

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