Lenze 00451022 EVF9324-EV 9300 Vector Inverter 7.5kW
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Product Information
The Lenze 00451022 EVF9324-EV is a 7.5 kW vector-controlled frequency inverter from the 9300 Vector family, engineered to regulate three-phase AC motors with high dynamic response and speed stability. Operating across a supply voltage range of 320 V to 528 V AC, this drive provides a rated output current of 16.5 A and a peak overload output of 24.8 A for up to 60 seconds to handle high starting torques. Control modes include configurable V/f characteristic regulation, sensorless vector control, and closed-loop speed control across an output frequency range of 0 Hz to 480 Hz with an 8 kHz default switching frequency. Designed for demanding applications such as material handling conveyors, industrial fans, pumps, and packaging machinery, the drive delivers reliable speed and torque performance across changing load conditions.
System connectivity on the EVF9324-EV includes six programmable digital inputs, four digital outputs, two analog inputs, and two analog outputs, alongside an onboard CANopen system bus interface at terminal X4. The drive features an Automation Interface (AIF) slot that accepts optional fieldbus communication modules, including PROFIBUS-DP units EMF2133IB and EMF2131IB, INTERBUS, or RS-232/485 serial cards, as well as the Keypad 9371BB. Bringing a spare unit into service requires matching motor parameters and application profiles, as a replacement drive is rarely plug-and-run. Configurations stored in the drive's non-volatile EEPROM—which holds up to four parameter sets—can be backed up and restored using Lenze Global Drive Control (GDC) software or copied directly using the keypad module. Specialist support from ABC Industrial Parts is available to guide configuration transfer and replacement preparation.
Operational status and fault conditions are visible via front-panel Red and Green LEDs, which indicate ready status, run states, and drive faults. Diagnostic evaluation can be conducted through the Keypad 9371BB, online monitoring in GDC software, or by querying fault history registers C0168 and C0169 over the system bus. Routine troubleshooting should involve checking three-phase mains supply at terminals L1, L2, and L3 for undervoltage or phase failure, inspecting motor wiring for insulation breakdown on overcurrent trips, and verifying braking resistor circuits if overvoltage errors occur. Internal component faults such as EEPROM failure or control board errors cannot be serviced in the field, making drive repair or acquiring a tested replacement unit from ABC Industrial Parts the recommended solution to reduce operational downtime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00451022 |
| Model / Type | EVF9324-EV |
| Product Family | 9300 Vector |
| Component Type | Frequency Inverter |
| Rated Power | 7.5 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Output Current | 16.5 A |
| Maximum Output Current | 24.8 A (for 60 s) |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Digital Inputs | 6 |
| Digital Outputs | 4 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
| Onboard Fieldbus | CANbus / CANopen (Terminal X4) |
Programming and Configuration
Parameter management and drive commissioning for the Lenze 00451022 EVF9324-EV are performed using either the plug-in Keypad 9371BB or Lenze Global Drive Control (GDC) PC software. The inverter features an integrated non-volatile EEPROM memory structure that stores up to four complete user parameter sets on board. This enables versatile machine configuration, allowing distinct operational profiles to be recalled for varying product lines or mechanical setup requirements without external re-parameterization.
When replacing a unit or commissioning a spare drive, parameter sets can be copied directly from the existing inverter using the Keypad 9371BB upload/download functionality, or saved as project files via a PC connection running GDC software. Transferring the complete parameter profile ensures that control modes (V/f, sensorless vector, or closed-loop speed control), ramp times, current limits, and digital/analog I/O assignments match the original drive installation.
Communication and System Integration
The EVF9324-EV frequency inverter provides built-in inter-drive networking via an integrated CANopen system bus interface located on terminal connection X4. This onboard CANbus interface allows synchronized multi-axis control, high-speed parameter exchange, and real-time drive networking across distributed Lenze automation systems. Proper bus operation requires matching the CAN baud rate settings across all connected nodes and installing standard 120 Ohm line termination resistors at the physical network ends.
For integration into broader industrial fieldbus architecture, the inverter features a dedicated modular Automation Interface (AIF) slot. This interface accepts optional plug-in communication modules, such as PROFIBUS-DP adapters (models EMF2133IB and EMF2131IB), INTERBUS modules, or RS-232/485 serial communication cards. These options allow the drive to communicate directly with higher-level programmable logic controllers and central control systems.
Diagnostics and Status Indication
Diagnostic monitoring for the Lenze EVF9324-EV drive combines direct front-panel visual indicators with internal digital fault records. Two LEDs on the front panel provide real-time operational feedback regarding the internal controller state, power availability, and trip status.
Detailed fault analysis is supported via the optional Keypad 9371BB or live PC monitoring in Global Drive Control (GDC) software. Active trip messages and historical event records are maintained in system bus diagnostic registers C0168 and C0169, providing maintenance technicians with actionable error data to identify root causes and evaluate drive history.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red | Red - Solid / Flashing | Fault / Error indicator |
| Green | Green - Solid / Flashing | Operation / Ready indicator |
Replacement and Spare Part Considerations
When selecting a replacement for a Lenze 00451022 frequency inverter, verify that the unit matches model designation EVF9324-EV to ensure full technical compatibility with existing power cabling, terminal connections, and mechanical mounting points. Maintaining identical physical hardware avoids panel modifications and ensures compatibility with installed option cards in the Automation Interface slot.
Because the Lenze 9300 Vector series has been discontinued by the manufacturer, sourcing direct-fit replacement drives or refurbishing existing units allows plants to avoid expensive panel redesigns. For long-term modernization strategies, the manufacturer recommends the Lenze i550 cabinet inverter series as a successor solution, though migrating to the newer platform requires updating mechanical mounting layout, wiring, and network integration.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OC1 | Short circuit / Earth fault during acceleration | Output current exceeded peak limit threshold during acceleration phase | Short circuit in motor cable; earth fault in motor windings; acceleration time ramp set too short; motor under-dimensioned | Check motor cable and motor windings for insulation fault/short circuit; increase acceleration time parameter C0012. |
| OC2 | Overcurrent during deceleration | Output current exceeded peak limit threshold during deceleration phase | Deceleration time ramp set too short; excessive load inertia | Increase deceleration time parameter C0013; check brake resistor or dynamic braking module. |
| OC5 | I x t Overload | Drive continuous load threshold exceeded over time (I2t limitation) | Continuous over-utilization of the drive; motor blocked or overloaded; mechanical jam | Check drive loading and mechanical system for blockage; verify motor sizing. |
| OU | Overvoltage DC Bus | Intermediate circuit DC bus voltage exceeded upper limit (>770 V DC) | Regenerative energy from motor during deceleration; deceleration ramp too steep; missing or defective brake chopper / braking resistor | Extend deceleration time; check external braking resistor and brake chopper connection. |
| LU | Undervoltage DC Bus | Intermediate circuit DC bus voltage dropped below threshold (<430 V DC) | Supply mains voltage too low; main supply phase failure; power failure | Check mains voltage input terminals L1, L2, L3; check supply fuses and line contactors. |
| OH | Heatsink Overtemperature | Inverter heatsink temperature exceeded maximum safety threshold (>85°C) | Inadequate cooling / ventilation; ambient temperature too high; cooling fan failure; dirty heatsink fins | Clean heatsink cooling fins; verify operation of internal fan; improve control cabinet ventilation. |
| OH4 | Motor Overtemperature | Motor temperature sensor trip (PTC or thermal contact on terminals T1/T2 triggered) | Motor thermal overload; insufficient motor cooling; defective thermal sensor wiring | Allow motor to cool; inspect motor load and forced-cooling fan if equipped; verify PTC sensor connections. |
| OH7 | Device Internal Overtemperature | Internal air temperature inside inverter housing exceeds limit | Ambient temperature inside control enclosure too high | Check enclosure climate control / cabinet cooling. |
| LP | Mains Phase Failure | Phase unbalance or phase missing on incoming AC mains supply | One mains phase lost; severe mains imbalance; blown input supply fuse | Inspect input mains lines, fuses, and power contacts. |
| CE0 | Communication Fault AIF | Communication failure between inverter and Automation Interface (AIF) fieldbus module | AIF module plugged improperly; bus cable interrupted; master controller offline | Check AIF module seating; inspect fieldbus cabling and bus master status. |
| CE1 | Communication Fault CAN (System Bus) | System bus CAN communication interrupted or timed out | CAN bus connection open; incorrect baud rate setting; missing termination resistors | Check CANbus connection on terminal X4; verify termination resistors (120 Ohm) and CAN baud rate setting. |
| EER | EEPROM Fault | Internal EEPROM memory read/write failure during operation or power-up | Internal memory corrupt or hardware component failure | Re-initialize drive parameters to factory default settings. Internal hardware fault — return unit for repair if error persists. |
| H05 | Hardware Fault / Internal Error | Internal hardware self-test failure or controller board fault | Internal electronic board failure or corrupted control firmware | Internal hardware fault — return unit for repair or replace inverter. |
| NMAX | Speed Limit Exceeded | Motor speed exceeded maximum limit setting C0025 | Feedback dynamic lag; improper speed controller parameter tuning | Check motor speed limits and tuning parameters in speed control loop. |
Frequently Asked Questions
What software is required to configure the Lenze 00451022 EVF9324-EV inverter?
The drive can be configured using Lenze Global Drive Control (GDC) software connected via a PC serial/adapter link, or manually adjusted using the plug-in Lenze Keypad 9371BB.
Can I transfer parameters directly from a failed drive to a replacement unit?
Yes. Parameter profiles stored in the onboard EEPROM can be saved and transferred to a spare EVF9324-EV drive using the Keypad 9371BB transfer feature or by using GDC software.
What fieldbus protocols does the EVF9324-EV support?
The inverter includes built-in CANopen/CANbus on terminal X4. Additional protocols such as PROFIBUS-DP (via EMF2133IB or EMF2131IB modules), INTERBUS, or RS-232/485 can be added using the Automation Interface (AIF) slot.
What does an H05 error code mean on the Lenze 9300 Vector drive?
An H05 fault indicates an internal hardware or control board failure. This internal error cannot be resolved through external parameter changes and typically requires sending the unit for repair or replacing the drive.
What are the primary power ratings for the EVF9324-EV drive?
The EVF9324-EV is rated for 7.5 kW motor power with an input voltage range of 320 to 528 V AC, delivering a continuous output current of 16.5 A and a maximum current of 24.8 A for up to 60 seconds.
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Specific firmware and hardware versions
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