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Nidec Digistart D3 User Manual

Nidec Digistart D3
112 pages
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Digistart D3
23 A - 1600A
200 V - 690 V

Table of Contents

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Nidec Digistart D3 Specifications

General IconGeneral
BrandNidec
ModelDigistart D3
CategoryController
LanguageEnglish

Summary

Safety Information

Electrical Safety Warnings

Alerts to severe electrical shock and lethal hazards from starter operation.

System Design and Personnel Safety

Ensures safe system design and operation by trained personnel.

Environmental Limits

Specifies limits for transport, storage, installation, and use of the starter.

Regulatory Compliance

Outlines installer responsibilities for adhering to relevant regulations.

Motor Installation and Protection

Guides motor installation and parameter setup for thermal protection.

Parameter Adjustment Considerations

Warns against altering parameters without understanding their impact on operation.

Electrical Installation Precautions

Details electrical shock risks, power-up, stored charge, and safe installation practices.

Rating Data

Model Code Interpretation

Explains the structure and meaning of the model code for identifying specifications.

Current Ratings and Utilisation Codes

Defines AC53b/AC53a codes specifying current ratings based on operating conditions.

Mechanical Installation

Dimensions and Weights

Provides physical dimensions (A-I) and weight in kg/lb for various models.

Physical Installation Guidelines

Details spacing requirements for side-by-side mounting and clearance from surfaces.

Busbar Adjustment Procedure

Step-by-step instructions for adjusting busbars for top or bottom input/output.

Electrical Installation

Terminal Layout and Power Configurations

Illustrates power input/output configurations for bypassed and non-bypassed models.

Control Connections Diagram

Provides a schematic for connecting control voltage, remote inputs, thermistors, and outputs.

Power Connections and Wiring

Details motor connection methods (in-line, inside delta) and wiring diagrams.

Fuse Information and Selection

Guides selection of semiconductor and HRC fuses for Type 1 and Type 2 coordination.

Bypass Contactor Requirements

Explains when an external bypass contactor is needed and its selection criteria.

Main Contactor Installation

Specifies main contactor requirements for inside delta connections and AC3 rating.

Circuit Breaker Usage

Suggests using a shunt trip circuit breaker as an alternative to a main contactor.

Power Factor Correction Integration

Describes using the Digistart D3 to control PFC contactors for power factor correction.

EMC Compliance Standards

Lists international immunity and emissions standards the Digistart D3 complies with.

Keypad and Status

Keypad Overview and LED Indicators

Describes the keypad layout, buttons, display, and status LED functions.

Keypad Removal and Replacement

Provides instructions on safely removing and reattaching the keypad, even with the starter running.

Keypad and Starter Synchronization

Explains how the keypad synchronizes parameter settings with the soft starter upon connection.

Display Information and Navigation

Details how to view status, performance, and other information on the keypad display.

Quick Start Commissioning

Control Wiring for Quick Start

Outlines basic control wiring connections required for initial setup and operation.

Setup Procedure and Parameter Configuration

Guides through the Quick Setup Menu for common applications and essential parameter configuration.

Operation

Start, Stop, and Reset Commands

Explains how to control the starter using the keypad, remote inputs, or communication links.

Soft Start Methods and Parameters

Details various soft start methods like Constant Current, Current Ramp, and Adaptive Control.

Motor Stop Methods and Control

Describes different motor stop methods including Coast to Stop, TVR Soft Stop, Adaptive Control, and Brake.

Jog Operation Functionality

Explains how to use the jog function for precise motor positioning and slow-speed operation.

Inside Delta Operation Considerations

Notes on functions not supported or behaviour changes when operating in inside delta configuration.

Programming

Programming Menu Navigation

Describes how to open and navigate the programming menu to access settings.

Access Code Security

Details the use of a four-digit security access code to protect critical parameters.

Adjustment Lock Functionality

Explains how to lock parameters to prevent unauthorized changes, setting them to 'Read Only'.

Loading Factory Defaults

Instructions for restoring all parameters to factory default settings, excluding language.

Quick Setup Menu Details

Provides suggested parameter values for common applications via the Quick Setup Menu.

Standard Menu Parameter Access

Outlines access to commonly used parameters for configuring the Digistart D3.

Advanced Menu for Full Parameter Access

Provides access to all programmable parameters for experienced users.

Parameter Descriptions

Group 1 - Primary Motor Settings

Details parameters for motor's Full Load Current, Locked Rotor Current, Time, and Service Factor.

Group 2 - Start/Stop Modes-1

Configures soft start methods, current limits, ramp times, and stop modes for the motor.

Group 3 - Digital Inputs

Defines functions for digital inputs, including start, stop, reset, and programmable inputs.

Group 4 - Digital Outputs

Configures relay outputs for signalling motor status, trips, and other conditions.

Group 5 - Protection Settings

Sets trip points for protection mechanisms like current imbalance, underpower, and overpower.

Group 6 - Protection Delays

Adjusts delays for protection responses to avoid nuisance trips from momentary fluctuations.

Group 7 - Set Points

Configures flags for low/high current and motor temperature, and sets mains reference voltage.

Group 8 - Analog I/O

Configures analog inputs for tripping and analog outputs for reporting motor data.

Group 9 - Display

Sets language and configures the user-programmable screen and performance graphs.

Group 10 - Auto-Reset

Configures automatic reset actions for specific trip categories to minimize downtime.

Group 11 - Secondary Motor Settings

Defines parameters for a secondary motor set or dual thermal modelling.

Group 12 - Start/Stop Modes-2

Configures start/stop modes, current limits, and profiles for a secondary motor set.

Group 13 - Slip Ring Motors

Sets parameters for slip-ring motor control, including ramps, retard, and changeover time.

Group 14 - RTD/PT100

Configures trip points for RTD/PT100 inputs for temperature monitoring.

Group 15 - Restricted

Manages access codes, adjustment lock settings, and emergency run parameters.

Diagnostics

Protection Response Settings

Explains how the starter responds to protection events (trip, warn, log) based on settings.

Troubleshooting Trip Messages

Lists common trip messages, their probable causes, and suggested solutions for diagnosis.

General Faults and Symptom Resolution

Addresses operational issues where the starter may not function as expected without tripping.

Application Examples

Installation with Main Contactor

Illustrates wiring and parameter settings for using a main contactor with the Digistart D3.

Installation with External Bypass Contactor

Shows how to wire and use an external bypass contactor controlled by the Digistart D3.

Emergency Run Operation Configuration

Details wiring and parameter settings for enabling emergency run mode, overriding trips.

Auxiliary Trip Circuit Integration

Explains how to connect an external trip circuit (e.g., low pressure switch) to stop the motor.

DC Brake with Zero Speed Sensor

Describes using a zero-speed sensor to control DC brake shut-off at motor standstill.

Soft Braking Configuration

Details setup for soft braking using forward run and braking contactors for high inertia loads.

Two-Speed Motor Control

Explains configuration for dual speed Dahlander motors using high/low speed and star contactors.

Slip-Ring Motor Control

Outlines how to control slip-ring motors using rotor resistance and specific commissioning steps.

Technical Data

UL Compliant Installation Requirements

Details additional requirements and recommended parts for UL compliant installations.

Maintenance

General Care and Precautions

Advises on safe handling, avoiding damage to components, and checking circuit tightness.

Measuring Motor Current

Describes how to measure motor and starter input current using a moving coil ammeter.

Measuring Input and Output Power

Explains how to measure starter input and output power using an electrodynamic instrument.

Product Exchange and Packaging

Guidelines for returning products for exchange, emphasizing original or similar packaging.

Options

Fieldbus Communication Interfaces

Lists available fieldbus communication modules like DeviceNet, Ethernet/IP, Modbus, Profibus, Profinet.

Digistart-Soft Software

Describes the software for managing soft starter networks, operation, and performance monitoring.

Digistart D3 - Finger Guard

Explains finger guards for personnel safety, providing IP20 protection against terminal contact.

Digistart D3 - I/O Expansion Card

Details the expansion card providing additional digital inputs, output relays, and analog I/O.

Digistart D3 - RTD/PT100 and Ground Fault Card

Describes the card for RTD/PT100 inputs and ground fault protection, requiring a current transformer.

Digistart D3 - Keypad Mounting Kit

Information on the kit for remote mounting the keypad up to 3 meters from the soft starter.

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