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VACON® NXP DCGuard™

VACON® NXP DCGuard™

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VACON® NXP DCGuard™

Product catalog summary

Introduction

Purpose: This guide provides instructions for configuring, controlling, and troubleshooting the VACON® NXP DCGuard™ AC drive, emphasizing safety for qualified personnel.
Manual and Software Version: Originally released on 04.12.2018, with software version ADFIF102V039, and regularly updated.
Additional Resources: Additional guides are available for advanced functions and operations.
Parameter Table Reading Guide: Instructions on interpreting parameter tables are included.
Application Functionality: The DCGuard is designed to isolate faulty DC grids, requiring two inverter units in a peer-to-peer topology.
Application Requirements: Requires NXP3 control board VB761 revision D or newer and system software version NXP00002V193 or newer.
System Integrator Responsibilities: Ensure correct functionality and safety, including mechanical disconnectors and cooling liquid circuit monitoring.

Control I/O

Configuration: Details the default I/O configuration, including terminal and signal descriptions.

Monitoring Values

Monitoring 1 and 2: Lists monitoring values such as DC-Link Amps and Unit Temperature.
Fieldbus: Provides fieldbus monitoring values including control and status words.

Parameter Lists

Basic Parameters: Includes cabling options and descriptions.
Input Signals: Details digital inputs for configuring start signals and fault resets.
Output Signals: Describes digital and analog outputs, including signal selection and function settings.

Analog Outputs

Parameters for three analog outputs include signal selection, function, filter time, inversion, and scaling.

Supervision and Limit Settings

Supervision limits for switch lock current and current limits for U, V, and W phases are defined.

Drive Control Parameters

Parameters such as switching frequency and voltage rise time are outlined.

Master/Follower and Fieldbus Parameters

Describes master/follower mode and fieldbus parameters for process data selection.

Protections

Details overload and current protection mechanisms for U, V, and W phases.

Keypad Control

Control place settings and enable/disable options for keypad operations are provided.

Monitoring Values

Lists monitoring values for DC-link amps, current, voltage, and power.

Status Words

Describes status words for the drive and digital input signals, providing diagnostic information.

DCGuard Status and Control Descriptions

Provides detailed descriptions of status words for DCGuard, including bit-coded functions for phase activity and faults.

Data Logger Trigger Word

Describes how the data logger is triggered by various fault and warning statuses.

Fieldbus Monitoring Values

Includes descriptions of fieldbus control and status words, highlighting specific faults like overvoltage and overcurrent conditions.

Parameter Descriptions

Provides detailed parameter descriptions for DCGuard, including cabling types and input/output signal configurations.

Analog Output Parameters

Details parameters for analog outputs, including inversion, scaling, and offset settings.

Supervision and Limit Settings

Includes switch lock current limit and trip limits for U, V, and W phases.

Drive Control Parameters

Includes switching frequency and voltage rise time parameters.

Fieldbus Parameters

Parameters for selecting data sent to and controlled from the fieldbus.

Parameter Selection and Control

Outlines the process for selecting parameters or monitoring values to be controlled via fieldbus.

Protections

Details various protection parameters, including fault simulation and overload protection.

Over Load Protection

Describes the overload protection function for DC cables.

Current Protection

Parameters for high current protection in phases U, V, and W are provided.

Keypad Control

Parameters for selecting the control place and enabling/disabling keypad buttons are included.

Terminal to Function Programming

Explains the TTF programming principle, cautioning against connecting two functions to the same output.

Fieldbus Control Overview

Provides detailed information on fieldbus control and status words, which are bit-coded monitoring values.

Fieldbus Control Word (Standard and DCGuard Profile)

Describes the fieldbus control word for both the Standard and DCGuard profiles.

Fieldbus Status Word

Describes the status of the drive, including readiness to switch on and fault status.

Application Status Word

Details the operational status of the drive, including readiness and fault presence.

Troubleshooting Guidelines

Guidelines for troubleshooting issues, emphasizing the importance of having the latest software versions.

Faults and Alarms

Lists various faults and their causes, along with troubleshooting steps.

Fault Analysis and Troubleshooting Guide for VACON® NXP DCGuard™

Details fault identification and causes, with specific troubleshooting recommendations.

Specifications

Includes various IDs related to DC-link power, voltage, and current, as well as fault and status indicators.

Procedures

Instructions for enabling and disabling features like keypad control and fault simulation are provided.

Standards and Norms

Emphasizes compliance with Danfoss standards and includes a disclaimer about potential changes to product specifications.

Recommendations

Best practices for system integration and troubleshooting are highlighted.

Data Interpretation

Contains numerous IDs and status words crucial for monitoring and controlling the DCGuard system.

Critical Information

Emphasis on understanding the system's fault response mechanisms and maintaining correct voltage and current levels.

Catalog excerpts

Application Guide

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Application Guide | VACON® NXP DCGuard™ Contents 1.1 Purpose of this Application Guide 6 1.2 Manual and Software Version 6 1.4 Parameter Table Reading Guide 6 1.7 System Integrator Responsibilities 8 4.5 Drive Control Parameters 17 4.8.2 U Phase Over Load Protection 19 4.8.3 V Phase Over Load Protection 19 4.8.4 W Phase Over Load Protection 20 4.8.5 U Phase Current Protection 20

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Application Guide | VACON® NXP DCGuard™ Contents 4.8.6 V Phase Current Protection 20 4.8.7 W Phase Current Protection 21 4.10 System Menu (Control Keypad: Menu M6) 21 4.11 Expander Boards (Control Keypad: Menu M7) 21 5 Monitoring Value Descriptions 22 5.3 Fieldbus Monitoring Values 29 6.3.2.1 Parameter Set-up Examples 38 6.5 Drive Control Parameters 46 6.8.5 Over Load Protection 53 6.8.5.2 U Phase Over Load Protection 54 6.8.5.3 V Phase Over Load Protection 55 6.8.5.4 W Phase Over Load Protection 56 6.8.6 U Phase Current Protection 56 6.8.7 V Phase Current Protection 57 6.8.8 W Phase Current...

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Application Guide | VACON® NXP DCGuard™ Contents 6.10.1 Defining an Input/Output for a Certain Function on Keypad 60 6.10.2 Defining a Terminal for a Certain Function with VACON® NCDrive 60 6.10.3 Defining Unused Inputs/Outputs 61 6.11 Fieldbus Control In Detail 61 6.11.1 Fieldbus Control Word (Standard) 62 6.11.2 Fieldbus Control Word (DCGuard Profile 1) 62 6.11.3 Fieldbus Status Word 63 6.11.4 Application Status Word 64

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Application Guide | VACON® NXP DCGuard™ Introduction 1.1 Purpose of this Application Guide This Application Guide provides information for configuring the system, controlling the AC drive, accessing parameters, programming, and troubleshooting of the AC drive. It is intended for use by qualified personnel. To use the drive safely and professionally, read and follow the instructions. Pay particular attention to the safety instructions and general warnings that are provided in this manual and other documentation delivered with the drive. The VACON® NXP DCGuard™ application software and this application...

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Application Guide | VACON® NXP DCGuard™ Introduction Illustration 1: Parameter Table Reading Guide 1.5 Application Functionality VACON® NXP DCGuard™ is a fast DC current cutter device that detects and cuts off an outgoing short-circuit current. The main function is to isolate the faulty DC grid from the healthy DC grid, before that fault affects the healthy DC grid. Two inverter units in a DCGuard peer-to-peer topology are required to be able to cut off short-circuit current both ways. VACON® NXP DCGuard™ consist of VACON® NXP inverter units and application software ADFIF102. To ensure the correct...

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Application Guide | VACON® NXP DCGuard™ NXP3 control board VB761 revision D or newer. System software version NXP00002V193 or newer. 1.7 System Integrator Responsibilities The VACON® NXP DCGuard™ is developed to be used as a component in a common-DC system. System design and control must be done by the system integrator. The VACON® NXP DCGuard™ peer-to-peer system is made of two independent DCGuard units, although they operate as a pair. It is the responsibility of the system integrator to implement the two DCGuard units in to the system, to ensure correct functionality, and to ensure correct...

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Application Guide | VACON® NXP DCGuard™ 2 Control I/O 2.1 Control I/O Configuration The figure shows the default I/O configuration for the VACON® NXP DCGuard™ application and a basic description of the terminals and signals of the I/O board. For more information on control terminals, see the VACON® NXP DCGuard™ application guide.

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Control I/O Standard I/O board Analog input 2 Range 0-10 V, Ri = 200 Q Range 0-20 mA Ri = 250 Q Control voltage output Analog input 2 Input range selected by jumpers Default range: Current 0-20 mA Relay output 1 Programmable G2.3 Relay output 2 Programmable G2.3 The Default I/O Configuration for the VACON® NXP DCGuard™ Application

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Application Guide | VACON® NXP DCGuard™ Monitoring Values Table 2: Monitoring 1 Values

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Application Guide | VACON® NXP DCGuard™ Monitoring Values Table 4: Fieldbus Values

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