Lenze Inverter 931M Series Manual

The Lenze Inverter 931M Series is designed for efficient motor control in various industrial applications. It offers advanced features such as vector control, built-in safety functions, and a user-friendly interface. This manual provides essential information on safety, features, installation, setup, operation, and troubleshooting for optimal performance.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating the Inverter 8. Maintenance and Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Compact design, integrated safety features, user-friendly interface, and extensive communication options.

Feature	Description
Vector Control	Provides precise motor control for various applications.
Built-in Safety Functions	Includes safe torque off and other safety measures.
User Interface	Intuitive display for easy operation and configuration.
Communication Options	Supports various protocols for integration into automation systems.
Compact Design	Space-saving design suitable for various installations.

Installation

Ensure proper installation for optimal performance. Follow these steps:

Mount the inverter securely in a well-ventilated area.
Connect power supply according to the wiring diagram.
Ensure all connections are tight and secure.
Connect motor leads to the inverter output terminals.

WARNING! Ensure power is off before making any connections to avoid electric shock.

First-Time Setup

Power on the inverter and follow the setup wizard on the display.

Select motor type and parameters.
Configure communication settings if applicable.
Set operational parameters such as speed and torque limits.
Save settings and perform a test run.

CAUTION! Ensure all settings are correct before operating the motor.

Specifications

Input Voltage: 230V / 400V AC options.
Output Power: Up to 15 kW.
Control Method: Vector control with feedback.
Communication Protocols: CANopen, EtherCAT, Modbus.
Operating Temperature: -10°C to +40°C.

Controls and Settings

Access settings via the user interface. Key controls include:

Display: Shows operational status and settings.

Buttons: Navigate through menus and adjust parameters.

Settings include motor parameters, operational limits, and communication settings.

Connecting Devices

Ensure proper connections for optimal performance:

Turn off power before connecting devices.
Match cables to the correct terminals as per the wiring diagram.
Verify all connections before powering on the inverter.

Tip: Use shielded cables for communication connections to reduce interference.

Operating the Inverter

Follow these steps to operate the inverter:

Power on the inverter.
Select the desired operational mode.
Start the motor using the user interface.
Monitor performance and adjust settings as necessary.

WARNING! Do not exceed the operational limits set in the configuration.

Maintenance and Care

Regular maintenance is essential for optimal performance:

Inspect connections and wiring regularly.
Keep the inverter clean and free of dust.
Check for any signs of wear or damage.
Follow the manufacturer's recommendations for servicing.

Regulatory Information

This inverter complies with relevant safety and performance standards. For detailed regulatory information, refer to the manufacturer's documentation.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Inverter does not power on	Power supply issue	Check power connections and fuses.
Motor does not start	Incorrect settings	Verify motor parameters and settings.
Overheating	Poor ventilation	Ensure adequate airflow around the inverter.
Communication failure	Cable issues	Check communication cables and connections.

Reset: Follow the reset procedure in the user interface if necessary.

Service: Contact Lenze support for further assistance.