Omron Q2A-A4038-AAA - User Manual

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1Q2A

Q2A

Driving Quality

• Advanced motor control for IM, PM & SynRM motors

• Open/closed loop speed or torque control

• Embedded functional safety (STO SIL3)

• Built-in C3 class EMC filter

• Conform to EN 60721-3-3, 3S2 and 3C2

• Built-in braking transistor (models up to 90 kW)

• Quick and easy setup with intuitive keypad and navigation

• Micro SD for data storage

• Real-Time Clock

• 24 VDC power supply input for control board

• Communication options: EtherCAT, EtherNet/IP,

PROFINET, Modbus TCP/IP, POWERLINK

• Up to 5 Q2A with a single communication option card

• PC configuration tools: Q2edit and Q2dev

• Mobile Device connectivity (via USB or optional Bluetooth)

• Regenerative solutions as option

• CE, UL, cUL, EAC, RoHS

Ratings

• 400 V class: 0.55 to 315 kW

System configuration

LCD Remote

Installation

Remote Operator

Extansion Cable

Mounting

Bracket

MCCB

Q2A

Filter

Input AC

Reactor

Motor

Ground

Power

Supply

Braking Resistor

DC Reactor

Feedback Speed Option Card

Input/Output Option Card

Choke

Output AC Reactor

orBraking chopper

R1000 kit

*2

Regenerative solution

D1000 kit

*1

Regenerative solution

The D1000 kit includes a Regenerative DC bus supply

unit (D1000), EMC filter and low harmonic filter. If the

D1000 kit is purchased, it is not necessary to buy the

EMC filter as separate item.

The R1000 kit includes a Regenerative braking unit

(R1000) and current suppression reactor.

*1.

*2.

USB Cable

Communication Option Card

I175E-EN-01+Q2A+Datasheet.fm Seite 1 Montag, 26. März 2018 3:18 15

Table of Contents

Other manuals for Omron Q2A-A4038-AAA

Technical Manual844 pages

Questions and Answers:

M
Mary WaltonAug 9, 2025
Why won't the Omron Q2A-A4038-AAA motor rotate after entering the run command?
- S
  Stephanie ReynoldsAug 9, 2025
  The motor may not rotate after entering the run command for several reasons. The drive might not be in Drive Mode, indicated by the keypad not showing [Rdy]. Ensure the keypad displays [Rdy] or return to the Home screen. A fast stop command could have been received; if so, turn off the fast stop input signal. The settings for the Run command source (b1-02) or the frequency reference source (b1-01) might be incorrect, so verify these settings. Defective wiring in the control circuit terminals or incorrect voltage/current input settings for the master frequency reference could also be the cause. Also, check if the frequency reference is too low, and if so, increase it above the minimum output frequency (E1-09). Finally, confirm the sinking/sourcing mode and power supply settings are correct.
M
Mark BrownAug 16, 2025
What to do if the Omron Q2A-A4038-AAA Controller motor is too hot?
- K
  Kelli WilsonAug 16, 2025
  If the Omron Controller motor is overheating, it could be due to a heavy load or continuous operation at very low speed. Reduce the load, increase acceleration and deceleration times, and examine the values set in L1-01, L1-02, and E2-01. Consider using a larger motor. If the motor is running continuously at a very low speed, change the run speed or use a drive-dedicated motor.
S
Sandra CrawfordAug 25, 2025
Why is the Omron Q2A-A4038-AAA drive frequency reference different from the controller frequency?
- J
  John DavisAug 25, 2025
  The discrepancy between the drive frequency reference and the controller frequency in your Omron system can stem from several factors. The analog input gain and bias for the frequency reference input might be incorrectly configured; examine the settings for Terminals AI1, AI2, and AI3. The drive could be receiving frequency bias signals from analog input terminals AI1 to AI3, with the sum affecting the frequency reference; check parameters H3-02, H3-10, and H3-06. If PID control is enabled and not required, disable it by setting b5-01 = 0.

Omron Q2A-A4038-AAA Specifications

General

Series	Q2A
Input Voltage	380 to 480 V AC
Operating Temperature	-10 to 50°C
Storage Temperature	-20 to 65°C
Rated Supply Voltage	Three-phase 400 V
Control Method	V/f Control, Vector Control
Communication	Modbus
Mounting Type	Panel

Summary

Driving Quality Features

Motor Control and Performance

Advanced motor control, speed/torque control, regenerative solutions.

Safety and Compliance

Embedded safety, environmental compliance, certifications.

Ratings

400 V Class Power Range

Power range from 0.55 to 315 kW for the 400 V class.

Inverter Specifications

Performance Metrics

Max motor output, inverter capacity, rated output current.

Control Functions and Specifications

Control Methods and Ranges

Supported control methods and frequency ranges.

Protection and Environment

System Protection Mechanisms

Overcurrent, voltage, overheat, stall, and ground fault protections.

Inverter Dimensions

Model-Specific Dimensions

Dimension data correlated with specific inverter models.

Width and Depth Measurements

Overview of width (W, W1, W2, W5) and depth (D, D1, D2) dimensions.

Line Filters and Input AC Reactors

Line Filter Specifications

Dimensions, weight, and mounting types for line filters.

Input AC Reactor Specifications

Dimensions and weight for input AC reactors.

DC and Output AC Reactors

DC Reactor Specifications

Dimensions and weight for DC reactors.

Output AC Reactor Specifications

Dimensions and weight for output AC reactors.

D1000 Kit - DC Supply Unit

D1000 DC Bus Supply Unit Specs

Detailed specifications for the D1000 unit.

Low Harmonic Filters

Harmonic Filter and Choke Dimensions

Dimensions for harmonic filters and chokes.

R1000 Kit - Regenerative Braking Unit

R1000 Unit Specifications

Dimensions and weight for R1000 regenerative braking units.

R1000 Kit Component Details

Model and specification data for R1000 kit components.

Current Suppression Reactors

Reactor Dimensions and Weight

Dimensions and weight specifications for reactors.

Braking Units and Resistors

Braking Unit and Resistor Specifications

Dimensions and weight for braking units and resistors.

Inverter Installation and Wiring

Standard Connection Overview

Diagram illustrating standard inverter connections.

Main Circuit Wiring

Control Circuit Wiring

Control Signal Connections

Terminal Connections and Functions

Main Circuit Terminals

Control Circuit Terminals

Ordering Information and Inverter Models

Q2 A Inverter Model Selection

Inverter Specifications by Model

Accessory Ordering Information

Line Filter Models and Specs

AC;DC Reactor Model Selection

Option Cards and Accessories

Communication Option Cards

Computer Software Tools

Accessory Kit Ordering

D1000 Kit Part Numbers and Codes

R1000 Kit Part Numbers and Codes

Braking Units and Resistors

Braking Unit and Resistor Selection Guide

Braking Resistor Specifications

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