How to troubleshoot locked rotor error on Emotron FDU40-026?
A 'Locked rotor' error on your Emotron Servo Drives suggests a mechanical issue blocking the rotor or a torque limit at motor standstill. Check for mechanical problems at the motor or the machinery connected to it. Alternatively, you can set the locked rotor alarm to OFF.
What to do if Emotron FDU40-026 Servo Drives show motor lost error?
If your Emotron Servo Drives display a 'Motor lost' error, this indicates a phase loss or a significant imbalance across the motor phases. Check the motor voltage on all phases, inspect for loose or damaged motor cable connections. If the connections are fine, contact your supplier or set the motor lost alarm to OFF.
Why am I getting an over voltage (Mains) error on my Emotron Servo Drives?
An over-voltage (Mains) error in Emotron Servo Drives indicates a high DC Link voltage due to excessive mains voltage. You should check the main supply voltage and try to eliminate any interference or switch to different main supply lines.
What does a power fault mean on Emotron FDU40-026?
A power fault in Emotron Servo Drives can arise from a hard short-circuit, saturation of current measurement circuiting, earth fault, desaturation of IGBTs, or peak voltage on the DC link. Inspect motor and earth cable connections for issues, check for moisture in the motor housing and cable connections, and ensure the motor's rating plate data is correctly entered. Also, review overvoltage trips.
Why do Emotron Servo Drives show over volt during deceleration and how to fix it?
If you're experiencing an over-voltage deceleration error with your Emotron Servo Drives, it's likely due to a short deceleration time relative to the motor/machine inertia or a malfunctioning brake chopper. Increase the deceleration time, and inspect the brake resistor's dimensions and the brake chopper's functionality.
What causes undervoltage in Emotron FDU40-026 Servo Drives and how to resolve it?
If your Emotron Servo Drives display an undervoltage error, it could stem from low or absent supply voltage or voltage dips from other machinery. Ensure all three phases are correctly connected and tightened. Verify the mains supply voltage is within the VSD limits. Consider using alternative mains supply lines or activating the low voltage override function.
How to fix overheating issues in Emotron Servo Drives?
If your Emotron Servo Drives are overheating, it could be due to a high ambient temperature, insufficient cooling, high current, or blocked fans. Ensure the VSD cabinet has adequate cooling, the built-in fans are working correctly, and that the VSD and motor ratings are appropriate. Also, clean the fans to improve airflow.
Guidelines for installation, commissioning, demounting, and measurements.
Precautions before opening, touching control board when powered.
Disconnect mains before working on motor/machine. Wait 5 mins.
Guidelines for connecting screened motor cables and mains cables.
Table of default functions for control signals, inputs, and outputs.
Measures motor parameters for optimal performance and fine-tuning.
VSD compliance with EN(IEC)61800-3:2004 standards and categories.
Defines Stop Categories 0, 1, 2 and Emergency Stop function requirements.
Key VSD setup parameters including operation modes, motor voltage, frequency, and power.
Configuration of Motor I2t Type, Current, Time, Thermal Protection, and Motor Class.
Settings for various trip conditions like Over Temperature, Overvolt, Motor Lost, and Alarms.
Parameters for optimizing process control: reference values, process settings, and speed adjustments.
Configuring acceleration/deceleration times, start/stop modes, and mechanical brake control.
Functions to monitor load and protect against overload/underload using alarms and load types.
Understanding VSD states: trips, warnings, and limits indicating operational status.
Table of trip conditions, possible causes, and recommended remedial actions.
Motor power data (current, power) at various mains voltages (400V, 460V, 525V).
Specifications for mains, outputs, inputs, relays, and references.
General| IP Rating | IP20 |
|---|---|
| Supply Voltage | 400-480 V AC |
| Input Voltage | 400-480 V AC |
| Control Type | Vector control |
| Communication Interface | Modbus |
| Protection Features | Overcurrent, overvoltage, undervoltage, overtemperature, short circuit |
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