Lenze EVS9330-EKV004 9300 Series 45kW Servo Inverter Drive
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Product Information
The Lenze EVS9330-EKV004 is a 45 kW cabinet-mounted servo inverter drive from the Lenze 9300 Series Servo Drives, designed for precise speed, torque, and position control in demanding automated machinery. Operating across a three-phase supply voltage range of 320 V AC to 528 V AC, this unit delivers a continuous rated output current of 89 A at an 8 kHz switching frequency, along with a short-term peak current capability of 133.5 A to handle rapid acceleration cycles. It provides closed-loop control across an output frequency range of 0 to 480 Hz for both AC synchronous servo motors and AC asynchronous motors, serving applications in packaging machinery, material handling, printing, and textile manufacturing.
Connecting and commissioning a replacement unit involves matching both hardware interfaces and software parameters. Motor position feedback connects via a 9-pin Sub-D connector for resolvers and a 15-pin Sub-D connector for incremental encoders. Direct multi-axis drive synchronization is handled through an integrated CAN/CANopen system bus interface on terminal block X4, while an Automation Interface (AIF) slot accepts optional expansion modules including PROFIBUS-DP (EMF2133IB), EtherCAT (EMF2192IB), and LECOM serial adapters (EMF2102IB). To get a replacement unit running, maintenance technicians must transfer drive parameters using four internal EEPROM parameter sets, an EMZ9371BC keypad operating module, or Lenze Global Drive Control (GDC) PC software, as replacement units require configuration before operating in production. ABC Industrial Parts can assist with sourcing verified units and supporting parameter extraction from existing hardware.
Diagnostic conditions are monitored using front-panel LED indicators, relay terminals K11, K12, and K14, or live status screens within GDC software. A solid green LED 1 indicates the controller is enabled and ready, whereas a flashing green light signals controller inhibit (IMP). A solid red LED 2 indicates an active TRIP fault condition, while a flashing red light signals an operational warning. First-line field checks should verify line supply voltage, motor and resolver cable integrity on connectors X6 and X7, terminal wiring, and proper seating of any plug-in AIF fieldbus module. Certain internal faults, such as control board power failures indicated by code H05 or persistent memory corruption, cannot be serviced in the field, making board repair or a tested replacement drive from ABC Industrial Parts the quickest solution to resume operation.
Technical Specifications
| Rated Power | 45 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Output Current | 89 A |
| Maximum Output Current | 133.5 A |
| Switching Frequency | 8 kHz |
| Output Frequency Range | 0 - 480 Hz |
| Onboard Fieldbus | CAN / CANopen |
| Digital Inputs | 5 |
| Digital Outputs | 2 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
Programming and Configuration
Programming and parameter setup for the Lenze EVS9330-EKV004 are conducted using Lenze Global Drive Control (GDC) PC software or directly via the front-mounted EMZ9371BC operating keypad module. The inverter incorporates four internal non-volatile EEPROM parameter sets, allowing engineers to store complete drive configurations directly on the unit. These memory sets support multi-recipe operation and enable rapid parameter duplication when replacing an existing servo controller.
When commissioning a spare or replacement inverter, parameter sets can be copied from the donor unit using the keypad operating module or downloaded over a communication interface using GDC software. In situations where firmware alignment or memory re-initialization is required, default factory parameters can be reloaded to clear memory errors such as EER or flash corruption prior to transferring application settings.
Communication and System Integration
System communication on the EVS9330-EKV004 is anchored by an onboard CAN/CANopen system bus accessible through terminal block X4. This interface facilitates real-time inter-drive synchronization across multi-axis motion architectures without requiring additional fieldbus hardware. Precise motor feedback integration is handled natively through dedicated hardware connectors, including a 9-pin Sub-D interface (X6) for resolver feedback and a 15-pin Sub-D interface (X7) for encoder signal input and output processing.
For integration into higher-level industrial networks, the drive features a modular Automation Interface (AIF) slot. This expansion slot supports optional communication modules, such as the EMF2133IB PROFIBUS-DP module, the EMF2192IB EtherCAT module, and the EMF2102IB LECOM serial interface. When installing or swapping fieldbus options, proper module seating and network termination resistors must be maintained to avoid communication faults such as CE0 or CE1.
Diagnostics and Status Indication
The EVS9330-EKV004 provides continuous visual status monitoring through two front-panel status LEDs and dedicated relay output terminals K11, K12, and K14. The relay terminals provide discrete signal outputs for controller ready status and active TRIP fault alarms. Comprehensive diagnostic data, parameter readouts, and clear fault descriptions can also be accessed via the keypad text display or within the diagnostic window of Lenze Global Drive Control software.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| LED 1 (Green) | Green - Solid / Flashing | ON = Controller ready and enabled; Flashing = Controller ready, controller inhibit active (IMP) |
| LED 2 (Red) | Red - Solid / Flashing | ON = TRIP active (drive fault present); Flashing = Warning message active |
Replacement and Spare Part Considerations
Replacing a Lenze EVS9330-EKV004 requires verifying that the physical unit and installed expansion hardware match the existing machine configuration. Before removing the failing drive, technicians should verify the power rating, input voltage range, and terminal connections. Any optional AIF module, such as a PROFIBUS-DP or EtherCAT card, should be transferred to the replacement unit's option slot, ensuring secure physical seating to maintain network connectivity.
Because the EVS9330-EKV004 stores operational parameters within onboard EEPROM memory, a replacement unit will not operate correctly without copying the application configuration. Drive parameters can be uploaded from the original controller using the EMZ9371BC operating keypad or transferred via Lenze Global Drive Control (GDC) software. If the original control board is inaccessible due to severe hardware failure, parameter extraction from donor storage or restoring a saved GDC project file is necessary to configure velocity loop gains, feedback scaling, and fieldbus node parameters before enabling the system.
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 / Overcurrent Acceleration | Short circuit or excessive motor current during acceleration phase. | Short circuit in motor cable or motor winding; acceleration time set too short; motor cable too long or unshielded. | Check motor cable and motor windings for short circuit or ground fault; increase acceleration ramp time. |
| OC2 | Short Circuit / Overcurrent Deceleration | Short circuit or excessive current during deceleration phase. | Deceleration ramp time too short; generatoric energy peak. | Increase deceleration ramp time; check braking resistor connection. |
| OC3 | Short Circuit / Overcurrent Constant Operation | Short circuit or sudden overcurrent during constant speed operation. | Mechanical blockage/jam in driven machine; inter-turn short circuit in motor; damaged motor cable. | Check mechanical load for binding or overload; inspect motor and power wiring. |
| OC5 | I x t Overload Drive | Drive overload monitor limit reached (continuous current exceeded limit over time). | Drive undersized for mechanical load; prolonged operation at high load current. | Check application sizing and cycle duty; reduce load or select larger drive model. |
| OU | Overvoltage DC Bus | DC bus voltage exceeds upper threshold limit. | Braking energy too high; missing or defect brake resistor; brake chopper defective; main supply voltage too high. | Verify mains supply voltage; check external brake resistor and brake chopper circuit. |
| LU | Undervoltage DC Bus | DC bus voltage dropped below minimum threshold limit. | Mains power supply interruption; supply voltage drop; mains phase failure. | Check main AC power supply voltage, fuses, and line contactor. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeds maximum permissible operating temperature. | Internal fan failure; obstructed cooling airflow; heatsink dirty/clogged; ambient temperature too high. | Clean heatsink cooling fins; verify operation of internal enclosure fan; check cabinet ventilation. |
| OH4 | Heatsink Thermal Switch Fault | Thermal switch on heatsink triggered trip condition. | Extreme localized thermal overload; fan failure. | Allow drive to cool down; inspect fan operation and cooling channels. |
| OH7 | Motor Overtemperature | Motor thermal sensor (PTC / thermal switch) connected to terminals T1/T2 triggered. | Motor thermal overload; mechanical binding; insufficient motor cooling; defective PTC sensor wiring. | Allow motor to cool down; inspect motor cooling fan and mechanical load; check PTC cable connection. |
| EER | EEPROM Fault | Internal non-volatile EEPROM memory error detected during read/write operation. | Corrupted EEPROM memory content; internal hardware defect on control board. | Internal hardware fault — reload factory default settings; if fault persists, return unit for repair or replace control module. |
| EFR | Flash ROM Fault | Flash ROM checksum error detected during self-test or boot. | Firmware corruption or internal control hardware failure. | Internal hardware fault — re-flash firmware via GDC software; if unresolved, unit requires repair or replacement. |
| H05 | Internal Hardware Error | Internal control board power supply fault or board-level component failure. | Faulty internal low-voltage power supply or control board hardware failure. | Internal hardware fault — field repair not possible. Return unit to manufacturer for service or replace unit. |
| Sd2 | Resolver Feedback Fault | Loss of signal or signal error on resolver input terminal X6. | Resolver cable damaged or unplugged; incorrect shield connection; defective resolver sensor in motor. | Check resolver cable wiring and D-sub connector X6; verify shield earthing; check resolver windings. |
| Sd3 | Encoder Signal Error | Encoder track signal loss or quadrature error on terminal X7. | Encoder cable defect; missing channel signal (A/B/Z); defective encoder. | Check encoder wiring and sub-D connector X7; verify encoder power supply voltage. |
| CE0 | AIF Communication Error | Communication failure between drive controller and plug-in AIF fieldbus module. | AIF module missing, improperly seated, or defective; fieldbus network timeout. | Check seating of AIF module in option slot; verify fieldbus cable and master controller communication. |
| CE1 | CAN System Bus Fault (CAN1) | System bus CAN communication interrupted or bus-off state reached. | CANbus wiring broken; missing bus termination resistors (120 Ohm); incorrect baud rate setting. | Inspect CAN terminals on X4; check terminating resistors at network ends; verify CAN node ID and baud rate. |
| NMAX | Speed Limit Exceeded | Motor speed exceeded parameter maximum speed limit. | Unstable velocity loop tuning; feedback polarity inverted; overhauling load. | Check speed controller parameter settings (gain/integral); verify motor feedback scaling and polarity. |
| P01 | Position Feedback Error | Error detected in actual position value feedback processing. | Feedback signal noise; resolver or encoder track defect; mechanical slippage. | Inspect encoder/resolver cabling and shield grounding; test feedback transducer. |
| P18 | Following Error | Position tracking error exceeded programmed tolerance window. | Excessive mechanical load/friction; drive torque limit reached; acceleration set too aggressive. | Check mechanical axes for binding; adjust following error limit parameter C0254 or position controller gains. |
Frequently Asked Questions
What software is required to configure and commission the Lenze EVS9330-EKV004?
Configuration and diagnostics can be performed using Lenze Global Drive Control (GDC) PC software or directly via the plug-in EMZ9371BC operating keypad module.
What motor feedback devices are supported by the EVS9330-EKV004?
The drive includes native hardware interfaces for 9-pin Sub-D resolver feedback on connector X6 and 15-pin Sub-D incremental encoder inputs and outputs on connector X7.
How are drive parameters saved and transferred on this unit?
The drive contains four internal non-volatile EEPROM parameter sets. Parameters can be copied using an EMZ9371BC operating keypad module or uploaded and downloaded via GDC software.
Which fieldbus communication options can be added to the inverter?
In addition to onboard CAN/CANopen on terminal block X4, the Automation Interface (AIF) slot supports optional plug-in modules including PROFIBUS-DP (EMF2133IB), EtherCAT (EMF2192IB), and LECOM serial adapters (EMF2102IB).
What does fault code H05 indicate on the EVS9330-EKV004?
Fault code H05 indicates an internal control board power supply fault or board-level component failure. This fault cannot be repaired in the field and requires module service or unit replacement.
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