Emerson EV1000-2S0007G

Questions and Answers

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Gavin PatelAug 20, 2025
What to do if my Emerson Inverter shows drive overload?
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  Yolanda GonzalesAug 20, 2025
  If your Emerson Inverter is showing a drive overload, there are several possible causes. It could be due to a too short Acc time, which means you should prolong the Acc time. Another reason may be too large DC braking energy, so you should reduce DC braking current and prolong braking time. Also, check for an improper V/F curve and adjust the V/F curve or torque boost value. If the drive is re-started with a rotating motor, start when the motor stops. Check the AC supply voltage if it is low. Finally, the load may be too heavy, so you may need to select a drive with larger power.
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Alex RamosAug 22, 2025
What to do if my Emerson Inverter shows motor overload?
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  Micheal WilsonAug 22, 2025
  If your Emerson Inverter indicates a motor overload, consider these potential causes. An improper V/F curve may be the issue, so set the V/F curve and torque boost value correctly. A low AC supply voltage could also be the cause, so check the AC supply voltage. If you are using a common motor operating at low speed with a large load for a long time, select a special motor for such operating condition. Also, verify the motor overload protection factor setting and correct it if it is incorrect. Finally, check the load in case the motor is blocked or the load changed suddenly.
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claytonaliciaAug 25, 2025
What to do if Emerson EV1000-2S0007G shows over-current in constant speed operation?
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  Christopher AguilarAug 25, 2025
  If your Emerson Inverter shows an over-current in constant speed operation, it could be due to a sudden change of load, so reduce the change of the load. Another cause may be a too short Acc/Dec time, in which case you should prolong Acc/Dec time. You should also check the load for any abnormalities. Additionally, check the AC supply voltage if it is low. Finally, the drive’s power may be too low, so select a drive with larger capacity.
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murphyamandaAug 26, 2025
What to do if my Emerson Inverter has over voltage in constant-speed operating process?
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  Andre CarterAug 26, 2025
  If your Emerson Inverter reports over voltage during constant-speed operation, check the AC supply voltage for any abnormalities. Also, check if the Acc/Dec time is too short and prolong the Acc/Dec time if needed. If there is an abnormal change of input voltage, install an input reactor. If the load inertia is too high, use a suitable dynamic braking device.
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David RiveraAug 27, 2025
What to do if Emerson EV1000-2S0007G Inverter shows over-current in Acc process?
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  Allison Turner DDSAug 27, 2025
  If your Emerson Inverter displays an over-current in Acc process, it could be due to a too short Acc time, so prolong the Acc time. Also, the V/F curve may not be suitable, so check and adjust V/F curve, adjust torque boost or set the motor parameters correctly to ensure the normal auto torque boost works well. If the rotating motor re-starts after the drive stops instantly, start when the motor stops. Check the drive’s input AC supply if the AC supply voltage is low. Finally, the drive power may be too small, so select a higher power drive.
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Kristy PageAug 29, 2025
Why Emerson Inverter shows over voltage in Dec process?
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  Heather HigginsAug 30, 2025
  If your Emerson Inverter displays over voltage in Dec process, it might be because the Dec time is too short (with reference to generated energy), so prolong the Dec time. It could also be due to a negative-torque load or the load inertia being too high, in which case you should use a suitable dynamic braking device.
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jbrownAug 31, 2025
What to do if my Emerson EV1000-2S0007G shows over-current in Dec process?
- N
  Nicholas DavisAug 31, 2025
  If your Emerson Inverter is showing an over-current in Dec process, it could be due to a too short Dec time, so prolong the Dec time. It may also be caused by a negative-torque load or the load inertia being too high, so connect a suitable braking device. Another possibility is that the drive’s power is too low, so select the drive with larger capacity.
A
Amy GreenSep 2, 2025
What to do if my Emerson EV1000-2S0007G Inverter shows over voltage in Acc process?
- J
  Jasmin JamesSep 2, 2025
  If your Emerson Inverter displays over voltage in Acc process, check the AC supply voltage for any abnormalities. Also, the Acc/Dec time might be too short, so prolong the Acc time. If the drive is re-started with a rotating motor, start when the motor stops.
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marywangSep 4, 2025
What to do if Emerson Inverter displays rectifier’s heatsink overheat?
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  carmenwilliamsSep 4, 2025
  If your Emerson Inverter displays that the rectifier’s heatsink is overheating, it could be due to ambient over-temperature, so lower the ambient temperature. It may also be caused by an obstruction of the ventilation channel, so clear the ventilation channel. If the fan is not working, replace the fan. If it is inverter fault seek service.
H
hopkinsmoniqueSep 6, 2025
What to do if Emerson EV1000-2S0007G Inverter experiences emergency stop or external equipment fails?
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  jamesrobertSep 6, 2025
  If your Emerson Inverter experiences an emergency stop or external equipment fails, check the present operating mode if you pressed the STOP key when operating at non-keypad mode. If you pressed STOP when the drive is in stall status, set the operating parameters correctly. Note that the drive will report E015 fault if it is in stall status for 1 minute, so set the operating parameters correctly. If the terminal used for stopping the drive in an emergency is closed, disconnect the terminal if the external fault is cleared.

Summary

Chapter 1 Safety Information

Danger and Warning Definitions

Explains the meaning of "Danger" and "Attention" symbols and related hazards.

Installation Safety Notes

Critical safety precautions for installing the drive to prevent hazards.

Notes for Using the Drive

Chapter 3 Installation and Wiring

Drive Installation Requirements

Drive Wiring Guidelines

General safety precautions and procedures for wiring the drive.

Power Terminal Connections

Control Circuit Wiring

Earthing Procedures

Chapter 4 Operation Procedures

Operation Guide

Parameter Setting Method

Describes the parameter system, menu structure, and general setting method.

Chapter 5 Parameters

Basic Parameters (F0)

Details on fundamental parameters like frequency setting and control mode.

F0.10 Acceleration Time 1

Sets the time for the drive to accelerate from 0 Hz to maximum frequency.

F0.11 Deceleration Time 1

Sets the time for the drive to decelerate from maximum frequency to 0 Hz.

F0.12 Upper Frequency Limit

Sets the upper limit for the output frequency.

F0.13 Lower Frequency Limit

Sets the lower limit for the output frequency.

F0.14 V;F Curve Setting

Reference Frequency Parameters (F1)

Parameters related to setting and processing the reference frequency input.

Start;Brake Parameters (F2)

Parameters that define the drive's start and braking behavior.

Auxiliary Operating Parameters (F3)

PLC Parameters (F4)

Parameters for configuring the built-in Simple PLC function for automated sequences.

PLC Stage Settings and Run Times (F4.01-F4.14)

Defines the frequency, direction, Acc/Dec time, and run time for each PLC stage.

Close-loop Control Parameters (F5)

Parameters for setting up closed-loop control systems using analog or pulse feedback.

Traverse Operating Parameters (F6)

Multi-function Terminal Settings (F7)

Configures the functions assigned to multi-function input terminals X1 through X5.

Multi-function Terminal Functions Table

A comprehensive table listing all possible functions for multi-function terminals.

Display Control Parameters (F8)

Enhanced Function Parameters (F9)

Communication Parameters (FF)

Settings for communication configuration, including baud rate and data format.

FF.00 Communication Configuration

Motor Parameters (FH)

Parameters related to the motor's characteristics for optimal drive performance.

FH.00 Motor Poles

Sets the number of poles for the connected motor.

FH.01 Motor Rated Power

Sets the rated power of the connected motor.

FH.02 Motor Rated Current

Sets the rated current of the connected motor.

Motor Electrical Parameters (FH.03-FH.07)

FH.08 Rated Slip Frequency

FH.09 Auto Tuning Function

Enables automatic tuning of motor parameters for optimal performance.

Protection Parameters (FL)

Parameters for configuring various drive and motor protection functions.

FL.00 Motor Overload Protection Mode

Selects the motor overload protection mode.

Parameter Protection (FP)

Parameters for password protection and initialization of drive settings.

Chapter 6 Troubleshooting

Fault Information and Diagnosis

A table mapping fault codes to descriptions, possible reasons, and actions.

Overload and Overvoltage Faults (E001-E005)

Troubleshooting steps for over-current and overvoltage faults during acceleration and deceleration.

Overvoltage, Overload, and Output Faults (E006-E014)

Troubleshooting for faults related to constant speed operation, control power, output, and motor overload.

Communication, Tuning, and System Faults (E015-E024)

Troubleshooting for faults related to emergency stops, communication, tuning, and system disturbances.

Operation Related Faults and Counteractions

Table detailing common operational issues and their solutions.

Troubleshooting: No Keypad Response

Addresses issues where keypad buttons do not respond.

Troubleshooting: No LED Display

Addresses issues where the LED display is not illuminated.

Troubleshooting: Parameter Setting Cannot Be Changed

Addresses issues preventing parameter changes, including password protection.

Troubleshooting: Drive Does Not Run

Addresses issues where the drive fails to start when commanded.

Chapter 7 Maintenance

Routine Maintenance

Periodic Maintenance

Daily Checking Items Table

General Inspection Checklist

Replacing Easily-worn Parts

Appendix 1 Parameter Set

Group 0: Basic Operating Parameters

Fundamental operating parameters for the drive.

F0.00 Frequency Setting Method

Explains the 7 methods for setting the reference frequency.

F0.01 Digital Frequency Control

Settings for saving frequency upon power-off or stop.

F0.02 Frequency Digital Setting

Sets the initial reference frequency for digital mode.

F0.03 Control Mode

Defines the primary control mode for the drive.

F0.05 Maximum Output Frequency

Sets the maximum allowable output frequency for the drive.

F0.06 Base Frequency

Sets the base frequency where the drive outputs maximum voltage.

F0.07 Maximum Output Voltage

Sets the maximum output voltage the drive can provide.

F0.09 Torque Boost

Acc;Dec Times 1 (F0.10-F0.11)

Frequency Limits (F0.12-F0.13)

F0.14 V;F Curve Selection

Group 1: Reference Frequency Parameters

Group 2: Start;Brake Parameters

F2.00 Start Mode

Selects the method for starting the drive (direct start or brake-first start).

F2.01 Start Frequency

F2.02 Start Frequency Hold Time

DC Brake Parameters (F2.03-F2.04)

F2.05 Acceleration;Deceleration Mode

F2.08 Stop Mode

DC Braking Parameters (F2.09-F2.10)

Group 3: Auxiliary Operating Parameters

F3.07 Slip Compensation Gain

Group 4: PLC Parameters

F4.00 Simple PLC Mode

Configures the PLC running mode, restart behavior, and state saving.

F4.01 PLC Stage 1 Settings

F4.02 PLC Stage 1 Run Time

F4.03 PLC Stage 2 Settings

F4.04 PLC Stage 2 Run Time

F4.05 PLC Stage 3 Settings

F4.06 PLC Stage 3 Run Time

F4.07 PLC Stage 4 Settings

F4.08 PLC Stage 4 Run Time

F4.09 PLC Stage 5 Settings

F4.10 PLC Stage 5 Run Time

F4.11 PLC Stage 6 Settings

F4.12 PLC Stage 6 Run Time

F4.13 PLC Stage 7 Settings

F4.14 PLC Stage 7 Run Time

F5: Close-loop Control Parameters

Parameters for setting up closed-loop control systems using analog or pulse feedback.

F5.00 Close-loop Control Enable

Enables or disables the close-loop control function.

F5.01 Reference Input Method

Selects how the reference frequency is input (digital, VCI, CCI, keypad, pulse).

F5.02 Feedback Method

Selects the feedback signal source for close-loop control.

Input and Feedback Range Settings (F5.08-F5.11)

PID Control Gains (F5.12-F5.13)

Sets the proportional and integral gains for the PI controller.

F5.15 Error Limit

Sets the maximum allowable error between system output and reference.

F5.16 Close-loop Regulation Characteristic

Defines positive or negative logic for speed response to reference changes.

F5.18 Preset Frequency

F5.19 Preset Frequency Hold Time

Group 6: Traverse Operating Parameters

F6.00 Traverse Function Selection

F6.01 Traverse Mode

Group 7: Multi-function Terminal Settings

Multi-function Terminal Assignments (F7.00-F7.02)

Assigns functions to terminals X1, X2, and X3.

F7.03 Multi-function Terminal X4 Assignment

Assigns functions to terminal X4.

F7.04 Multi-function Terminal X5 Assignment

Assigns functions to terminal X5.

F7.35 Terminal Logic Configuration

Group 8: Display Control Parameters

F8.01 LED Displayed Parameter Selection 1

F8.02 LED Displayed Parameter Selection 2

Group 9: Enhanced Function Parameters

F9.00 Operating Command and Frequency Bundling

F9.01 Auxiliary Frequency Setting Method

Selects the method for setting the auxiliary frequency.

F9.04 Digital Auxiliary Reference Control

F9.07 STOP;RESET Key Function and Keypad Lock

Configures the STOP/RESET key function and keypad locking behavior.

Group FL: Protection Parameters

Parameters for configuring various drive and motor protection functions.

FL.00 Motor Overload Protection

Selects the motor overload protection mode.

FL.01 Motor Overload Protection Factor

Sets the overload protection threshold as a percentage of rated current.

FL.02 Stall Overvoltage Protection

Enables stall overvoltage protection during deceleration.

FL.03 Stall Overvoltage Point

Sets the voltage threshold for stall overvoltage protection.

FL.04 Overload Detection Configuration

FL.05 Overload Detection Threshold

FL.06 Overload Alarm Delay

FL.07 Auto Current Limiting Threshold

Sets the threshold for automatic current limiting to prevent over-current trips.

FL.08 Frequency Decrease Rate During Current Limiting

FL.09 Auto Current Limiting Action Mode

Defines how auto current limiting functions (enabled/disabled, silencing).

FL.12 Protective Action Mode 1

FL.13 Protective Action Mode 2

Fault Type Logging (FL.14-FL.16)

Fault Data Logging (FL.17-FL.19)

FP: Protection of Parameters

Parameters for password protection and initialization of drive settings.

FP.00 User Password

Sets a password to prevent unauthorized parameter modification.

FP.01 Write-in Protection

Controls which parameters can be modified, preventing accidental changes.

FP.02 Parameter Initialization

Appendix 2 Communication Protocol

Networking Modes

Communication Modes

Communication Protocol Format

Protocol Format Explanations

Response Codes for Command 00

Index Section Explanation

Fault Type Index Table

Checksum Calculation

Frame Tail Definition

Communication Protocol Command List

Lists commands for controlling and reading drive parameters via communication.

Inquire Slave Status Command

Command to inquire about the slave device's operational status.

Read Actual Frequency Command

Command to read the drive's current actual frequency.

Read Reference Frequency Command

Command to read the drive's reference frequency setting.

Read Output Voltage Command

Command to read the drive's output voltage.

Read Output Current Command

Command to read the drive's output current.

Read Parameter (On Unit) Command

Command to read unit parameters.

Set Speed Command

Command to set the drive's speed.

Read Actual Line Speed Command

Command to read the drive's actual line speed.

Set Line Speed Command

Command to set the drive's line speed.

Read Analog Close-loop Feedback Command

Command to read analog close-loop feedback.

Set Analog Close-loop Control Command

Command to set analog close-loop control parameters.

Read External Counter Value Command

Command to read the external counter value.

Read Output Torque Command

Command to read the drive's output torque.

Read I;O Status Command

Command to read the status of input/output terminals.

Read Present Status Command

Command to read the current status of the drive.

Read Frequency After Compensation Command

Command to read frequency after compensation.

Slave Power-on Command

Command to control slave power-on status.

Read Slave Actual Frequency Command

Command to read the slave's actual frequency.

Slave Power-on with Reference Frequency Command

Command for slave power-on with a given reference frequency.

Slave Power-on Forward Command

Command for slave power-on in forward direction.

Slave Power-on Reverse Command

Command for slave power-on in reverse direction.

Slave Stop Command

Command to stop the slave drive.

Slave Jog Command

Command to initiate jog operation for the slave drive.

Slave Jog Forward Command

Command for slave jog operation in forward direction.

Slave Jog Reverse Command

Command for slave jog operation in reverse direction.

Slave Stop Jogging Command

Command to stop the slave drive's jog operation.

Slave Fault Reset Command

Command to reset slave drive faults.

Slave Coast to Stop Command

Command for the slave to coast to a stop.

Slave Emergency Stop Command

Command for the slave to perform an emergency stop.

Set Analog Output AO1 Command

Command to set the output value for analog output AO1.

Set Analog Output AO2 Command

Command to set the output value for analog output AO2.

Set Digital Output Y2 Command

Command to set the output value for digital output Y2.

Read Percentage of Frequency Command

Command to read the percentage of frequency (reserved).

Read Parameter (Temporary) Commands

Commands to read various parameters temporarily.

Configuration Query Commands

Read Parameters Command (Table 6)

Set Parameters Command (Table 7)

Status Word Meaning Table

Reading Slave Parameter Values Table

Details commands for reading slave parameter values.

Slave Parameter Setting Table

Details commands for setting slave parameters.