Emerson EV2000 Series

Questions and Answers

C
Christopher FordSep 2, 2025
What are the possible causes of motor overload in Emerson EV2000?
- L
  Lisa MarshallSep 2, 2025
  If your Emerson DC Drives indicate a motor overload, it could be due to an improper V/F curve; set the V/F curve and torque boost value correctly. Check the AC supply voltage, as low voltage can cause this. If a common motor has operated with a heavy load at low speed for a long time, use a special motor designed for continuous operation. Also, the motor’s overload protection threshold might be improper, so modify it. Finally, check the load, as fast load changes can contribute to this issue.
M
Mathew NashAug 31, 2025
What to do for over voltage in constant-speed operation of Emerson EV2000 DC Drives?
- J
  jenningskyleAug 31, 2025
  If you're encountering over voltage during constant-speed operation with your Emerson DC Drives, check the AC supply voltage for any abnormalities. Also, a too short Acc/Dec time could be the cause, so prolong the Acc/Dec time. If there's an abnormal change in input voltage, install an input reactor. If the load inertia is too big, use a suitable dynamic braking kit.
C
churchmichaelAug 29, 2025
How do I troubleshoot over voltage during acceleration with Emerson EV2000?
- S
  Stacey WoodAug 29, 2025
  If you're experiencing over voltage during acceleration in your Emerson DC Drives, it might be due to an abnormal AC supply voltage; check the AC supply voltage. Another cause could be a too short Acc/Dec time, so try prolonging the Acc time. Also, if the motor restarts after the drive stops instantly, set F2.00 to the “start on fly” function.
A
Amanda EdwardsAug 28, 2025
What causes drive overload in Emerson DC Drives and how to fix it?
- A
  Angela StricklandAug 28, 2025
  If your Emerson DC Drives show a drive overload, it could be due to several reasons. The Acc/Dec time might be too short, so prolong it. If the DC injection braking current is too big, reduce it or prolong the braking time. An improper V/F curve can also cause this, so adjust the V/F curve or torque boost value. If the motor restarts instantly after stopping, set the starting mode (F2.00) to “start of fly”. Check for low AC supply voltage. Finally, the load might be too heavy, so select a drive with bigger power.
R
Richard McintoshAug 26, 2025
How to resolve over-current during deceleration in Emerson EV2000 DC Drives?
- S
  Sheila DavisAug 27, 2025
  If you're experiencing over-current during deceleration with your Emerson DC Drives, it could be because the deceleration time is too short; try prolonging the Dec time. Alternatively, the load might be generating energy or the load inertial might be too big, in which case you should connect a suitable braking kit. Also, consider whether the drive's power is too low and select a drive with bigger power if necessary.
D
dawnperryAug 25, 2025
Why is there over voltage during deceleration in Emerson EV2000?
- K
  Kelly WallaceAug 25, 2025
  If you're facing over voltage during deceleration with your Emerson DC Drives, the deceleration time may be too short, especially concerning generated energy; try prolonging the Dec time. Additionally, if the load generates energy or the load inertial is too big, consider using a suitable dynamic braking kit.
F
Francisco HamptonAug 22, 2025
What to do if there is over-current in constant speed operation in Emerson EV2000?
- S
  Sarah WolfAug 23, 2025
  If your Emerson DC Drives experience over-current during constant speed operation, it might be due to a sudden load change, so try to reduce the change of the load. Also, check if the Acc/Dec time is too short and prolong it if needed. Examine the load for any abnormalities. Verify the AC supply voltage, as a low voltage can cause this issue. Finally, the drive's power might be insufficient, so consider selecting a drive with bigger power.

Summary

Preface

Unpacking Inspection

Checks after receiving the drive.

Model designation rules

Explanation of product model naming.

Chapter 1 Safety

1.1 Safety

General safety warnings and precautions for operation.

1.2 Notes for Installations

Safety guidelines for drive installation.

1.3 Notes for Using EV2000

Important considerations for using the drive.

1.3.1 About Motor and Load

How the drive interacts with motors and loads.

1.3.2 About Variable Speed Drive

Specific operational points for the drive.

1.4 Disposing Unwanted Drive

Proper disposal instructions for the drive.

Chapter 2 Product Introduction

2.1 Specifications

Technical details and ratings of the drive.

2.2 Product Series

Details on different drive models and their specifications.

2.3 Optional Parts

Information on available accessories for the drive.

Chapter 3 Installation and Wiring

3.1 Installation Environment

Requirements for drive installation location and space.

3.2 Removing and Mounting of Parts

Procedures for handling drive components.

3.3 Wire Connections of Drive

Detailed instructions for electrical wiring.

3.4 Installation Methods Compliant With EMC Requirements

EMC compliance for installation.

Chapter 4 Operation Instructions

4.1 Notice

Key terms and concepts for understanding drive operation.

4.2 Operating Instructions

Step-by-step guides for operating the drive.

4.3 Start-up

Procedures for initial drive startup.

Chapter 5 Parameter Introductions

5.1 Basic Operating Parameters(Group F0)

Core parameters for fundamental drive operation.

5.2 Parameters of Reference Frequency (Group F1)

Parameters for setting the desired operating frequency.

5.3 Starting and Braking Parameters (Group F2)

Parameters controlling acceleration, deceleration, and braking.

5.8 Function of Terminals(Group F7)

Configuration of multi-function input/output terminals.

5.13 Motor Parameters (Group FH)

Parameters related to the connected motor.

5.14 Protective Function (Group FL)

Overload and other protection settings.

5.12 Communication Parameters (Group FF)

Settings for serial communication.

Chapter 6 Troubleshooting

Table 6-1 Faults and actions

List of common faults and their remedies.

Table 6-2 Abnormal phenomena and handling methods

Troubleshooting common operational issues.

Chapter 7 Maintenance

7.1 Daily Maintenance

Routine checks for daily operation.

7.2 Periodical Maintenance

Recommended maintenance schedule.

7.3 Replacing Wearing Parts

Procedures for replacing worn components.

Appendix 1 Parameters

Group F0: Basic Operating Parameters

Core parameters for fundamental operation.

Group F2: Starting and Braking Parameters

Parameters for motor start/stop and braking.

Group F7: Terminal Function Parameters

Configuration of I/O terminals.

Group FH: Motor Parameters

Motor specific parameters.

Group FL: Protection Parameters

Drive and motor protection settings.

Group FF: Communication Parameters

Serial communication settings.

Appendix 2 Accessories

AC;DC Reactor

Details and specifications for AC/DC reactors.

380 V Series EMI Filter

Sizes and parameters for EMI filters.

Appendix 3 Communication Protocol

1 Networking Mode

Different network configurations for drives.

4 Protocol Format

Structure of communication commands and data frames.

5.3 Response of Slave to Master’s Command

How the drive responds to master commands.

5.4 Index Section

Meaning of index bytes in communication.

Emerson EV2000 Series Specifications

General

Operating Temperature	0°C to 40°C (32°F to 104°F)
Output Voltage	0 to Input Voltage
Power Rating	Up to 1500 kW
Communication Interface	Ethernet
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Input Voltage	200-240V AC, 380-480V AC