Omron VS mini J7 User Manual

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Compact General Purpose Inverter
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Manual No.
I63E-EN-01
OMRON YASKAWA MOTION CONTROL B.V. – Wegalaan 65 – 2132 JD Hoofddorp – The Netherlands
phone: +
31 (0) 23 568 74 00 – fax: + 31 (0) 23 568 74 88 – www.omronyaskawa.com
Note: Specifications subject to change without notice.
Manual No. I63E-EN-01
 
Manual No. I63E-EN-01

Omron VS mini J7 Specifications

General

Model	VS mini J7
Category	Inverter
Output Frequency	0.1 to 400 Hz
Input Voltage	200-240V AC
Output Voltage	3-Phase 200 to 240 VAC
Rated Output Current	Varies by model
Overload Capacity	150% for 60 seconds
Control Method	Sinusoidal PWM
Protection Features	Overcurrent, overvoltage, undervoltage, overheating, short circuit
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +65°C
Ambient Humidity	95% RH or less (non-condensing)
Altitude	Up to 1000m
Vibration	5.9 m/s² or less

Summary

CHAPTER 1 Overview

1-1 Function

Describes the features, benefits, international standards compliance, and ease of use of the J7 Inverter.

1-2 Nomenclature

Details the names and functions of the inverter's panel components and digital operator.

CHAPTER 2 Design

2-1 Installation

Provides installation details, including dimensions and installation conditions for various models.

2-2 Wiring

Explains wiring precautions, terminal blocks, and connection methods for main and control circuits.

CHAPTER 3 Preparing for Operation and Monitoring

3-1 Nomenclature

Details the names and functions of the inverter's digital operator components and display.

3-2 Outline of Operation

Provides an overview of the inverter's operation, including selecting indicators and examples of settings.

CHAPTER 4 Test Run

4-1 Procedure for Test Run

Step-by-step guide for installing, wiring, connecting, checking status, and testing the inverter.

4-2 Operation Example

Illustrates examples of power connection, display status checks, initializing parameters, and setting motor current.

CHAPTER 5 Basic Operation

5-1 Initial Settings

Explains essential initial parameter settings for operating the inverter, such as write-prohibit and rated motor current.

5-2 V/f Control

Details how to set the V/f patterns for adjusting motor torque and performance based on frequency.

5-3 Setting the Local/Remote Mode

Describes how to set the inverter for local or remote operation modes using the digital operator or inputs.

5-4 Selecting the Operation Command

Explains how to select input methods for operation commands like RUN, STOP, and direction control.

5-5 Setting the Frequency Reference

Guides on setting the frequency reference using various methods, including digital operator and analog inputs.

5-6 Setting the Acceleration/Deceleration Time

Details how to set acceleration and deceleration times, including trapezoidal and S-shape characteristics.

5-7 Selecting the Reverse Rotation-prohibit

Explains how to enable or disable the reverse rotation command for systems that prohibit it.

5-8 Selecting the Interruption Mode

Specifies the inverter's behavior upon receiving a STOP command, choosing between deceleration or coasting.

5-9 Multi-function I/0

Covers the configuration and use of multi-function input and output terminals for flexible control.

5-10 Analog Monitor Output

Explains how to set up analog monitor outputs for frequency or current, including gain adjustments.

CHAPTER 6 Advanced Operation

6-1 Setting the Carrier Frequency

Guides on setting the carrier frequency for motor control, noise reduction, and performance tuning.

6-2 DC Injection Braking Function

Explains the DC injection braking function for motor stopping and control.

6-3 Stall Prevention Function

Details the stall prevention functions for decelerating, accelerating, and running conditions.

6-4 Overtorque Detection Function

Covers the overtorque detection function to protect the motor from excessive load and torque.

6-5 Torque Compensation Function

Explains how to increase motor torque by detecting load changes and setting compensation gain.

6-6 Slip Compensation Function

Describes the slip compensation function for improving speed accuracy under load conditions.

6-7 Other Functions

Covers various other advanced functions and parameter settings like motor protection and fault retry.

CHAPTER 7 Communications

7-1 RS-422/485 Communications Unit

Details the specifications, dimensions, and mounting of the RS-422/485 communications unit.

7-2 Inverter Settings

Covers inverter settings related to communications, including time-over, unit selection, and slave address.

7-3 Message Communications Basic Format

Explains the format of message data (DSR/response) and the MODBUS communications protocol.

7-4 DSR Message and Response

Details the format and examples of DSR messages for data read/write and loop-back tests.

7-5 Enter Command

Describes the Enter command used for copying parameter set values to EEPROM for persistent storage.

7-6 Setting the Communications Data

Guides on converting and setting register data, including negative values and unused bits, for communications.

7-7 Register Number Allocations in Detail

Provides a detailed list of register numbers and their functions for I/O, monitoring, and commands.

7-8 Communications Error Codes

Lists common communications error codes and their probable causes and remedies for troubleshooting.

7-9 Self-diagnostic Test

Explains how to perform a self-diagnostic test for the RS-422A/485 communications function.

CHAPTER 8 Communications

8-1 Protective and Diagnostic Functions

Details fatal error detection, probable causes, and remedies for inverter faults like OC, OV, and UV.

8-2 Troubleshooting

Provides guidance for diagnosing and resolving common inverter and motor operational issues.

8-3 Maintenance and Inspection

Outlines daily and periodic inspection procedures and safety precautions for maintaining the inverter.

CHAPTER 9 Specifications

9-1 Inverter Specifications

Presents comprehensive technical specifications for various inverter models, including power, output, and control characteristics.

9-2 Specifications of Accessories

Details the specifications for optional accessories like adapter panels, communication units, fans, and cables.

9-3 Option Specifications

Provides specifications for optional accessories such as EMC-compatible noise filters and their dimensions.

CHAPTER 10 List of Parameters

CHAPTER 11 Using the Inverter for a Motor