ENGINEERING TOMORROWProgramming GuideVLT® Compressor Drive CDS 803vlt-drives.danfoss.com

Danfoss VLT CDS 803 Programming Manual

Safety

Introduction

General Specifications

Warnings

Fuses

Control Terminals

Derating for Ambient Temperature and Switching Frequency

VLT CDS 803

Additional Resources

Power Factor

Product Overview

CE Labelling

Air Humidity

Vibration and Shock

Control Structure Closed Loop

Reference Handling

Closed-loop Set-up Quick Guide

Tuning the Drive Closed-loop Controller

General Aspects of EMC

Emission Requirements

EMC Test Results

Harmonics Test Results (Emission)

Ground Leakage Current

Selection

IP21/TYPE 1 Enclosure Kit

Decoupling Plate

How to Order

Ordering Numbers

How to Install

Side-by-side Installation

Electrical Data

Electrical Installation in General

EMC Compliant Electrical Installation

How to Program

Menus

Main Menu

Quick Transfer of Parameter Settings between Multiple Frequency Converters

RS485 Installation and Set-up

Network Connection

EMC Precautions

Network Configuration

The Data Field

The PKE Field

Data Types Supported by the Frequency Converter

Modbus RTU Overview

Frequency Converter with Modbus RTU

Start/Stop Field

How to Control the Frequency Converter

Modbus Exception Codes

Examples

Force/Write Multiple Coils (0F hex)

Preset Single Register (06 hex

Danfoss FC Control Profile

Bus Speed Reference Value

Mains Supply 3x380–480 V AC

Derating according to Ambient Temperature and Switching Frequency