Lenze EVS9330-EPV004 9300 Series 45kW Servo Position Controller
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Product Information
The Lenze EVS9330-EPV004 is a 45 kW servo position controller from the 9300 Servo series, engineered for high-power dynamic motion control and single-axis positioning tasks. Operating across a 3-phase AC supply range of 320 V to 528 V AC (rated at 400/480 V AC), this unit delivers a continuous output current of 89 A at 400 V AC and a peak output current of 133.5 A, providing a 150% overload capability for up to 60 seconds. The -EP firmware variant integrates dedicated positioning block libraries directly within the controller, enabling the execution of homing routines, absolute and relative positioning, and dynamic profile generation without requiring an external motion controller. Primary feedback is interfaced via a 9-pin resolver connection, while the power section supports output frequencies from 0 to 480 Hz at an 8 kHz switching frequency.
Integrating a replacement EVS9330-EPV004 into an existing system requires connecting system interfaces and transferring drive parameters. Main dynamic feedback connects via the resolver port, while fieldbus communication is handled through the onboard CANbus system bus (X4 interface) operating at up to 500 kbit/s or through the pluggable Automation Interface (AIF) slot using option cards such as the EMF2133IB PROFIBUS-DP or EMF2175IB CANopen modules. A spare controller cannot run on factory defaults; all motion parameters, positioning profiles, and bus parameters stored in non-volatile EEPROM memory must be loaded into the drive. Parameter extraction and transfer can be carried out using the pluggable EMZ9371BC Keypad XT module or Global Drive Control (GDC) software version 4.x+. Technical assistance from ABC Industrial Parts can support parameter file transfers and spare unit preparation prior to installation.
Diagnostic information is available through front-panel LED status indicators and local display tools. The Ready LED (green) indicates normal operation when solid and pulse inhibit or disabled status when flashing, the IMP LED (yellow) illuminates when power stage gate pulses are suppressed, and the Fault LED (red) flags active TRIP conditions that shut down drive output. Operational status codes and an 8-event TRIP history buffer can be monitored via parameter C0168 or through the EMZ9371BC keypad LCD display and GDC software. First-line troubleshooting for TRIP events should focus on external conditions such as mains supply voltage, braking resistor integrity, motor thermal wiring, and fieldbus termination. When persistent internal faults like memory corruption or gate driver failures occur, the internal electronics are not field-serviceable, making drive repair or exchange through ABC Industrial Parts a practical route back to production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9330-EPV004 |
| Model / Type | EVS9330-EPV004 |
| Component Type | Servo Controller |
| Product Family | 9300 Servo |
| Rated Power | 45 kW |
| Supply Voltage Range | 3 AC 320 V - 528 V AC (400/480 V AC Rated) |
| Rated Mains Current | 80 A |
| Continuous Output Current | 89 A |
| Maximum Peak Output Current | 133.5 A (150% overload for 60s) |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Digital Inputs / Outputs | 6 Inputs / 4 Outputs |
| Analog Inputs / Outputs | 2 Inputs / 2 Outputs |
Programming and Configuration
Configuration and parameter setting for the Lenze EVS9330-EPV004 are performed using Lenze Global Drive Control (GDC) software version 4.x or higher, or directly at the drive via the optional EMZ9371BC Operating Module (Keypad XT). The drive firmware structure includes dedicated positioning function blocks (-EP variant) that allow users to define position setpoints, acceleration ramps, software limit switches, and homing strategies.
The controller features internal non-volatile EEPROM memory capable of retaining up to four complete parameter sets. This multi-memory structure allows operators to store alternative motion profiles or create an exact device backup on site. During commissioning or drive replacement, parameter sets can be uploaded from an operational drive or software project file and written to the donor unit, bypassing manual parameter entry and reducing installation errors.
Communication and System Integration
System communication with the EVS9330-EPV004 relies on both integrated onboard connections and modular fieldbus expansions. The controller comes standard with an integrated CANbus system bus on the X4 terminal interface, operating at transmission speeds up to 500 kbit/s. This system bus provides high-speed inter-drive synchronization, cross-communication between positioning axes, and direct integration with CANopen network architectures.
For broader PLC and DCS integration, the controller includes an Automation Interface (AIF) slot. This expansion port accepts plug-in fieldbus communication modules, such as the EMF2133IB module for PROFIBUS-DP systems and the EMF2175IB module for CANopen networks. Through these modules, higher-level controllers can transmit target coordinates, command start signals, and read back real-time operating status and diagnostic codes over standard industrial networks.
Diagnostics and Status Indication
The EVS9330-EPV004 provides real-time status monitoring via three front-panel status LEDs and software-based diagnostic parameters. The green Ready LED signals controller readiness or pulse inhibit states, the yellow IMP LED identifies pulse suppression conditions, and the red Fault LED signals an active TRIP condition where the power output is disabled.
For in-depth troubleshooting, parameter C0168 presents active drive status codes in real time. The controller maintains an internal history buffer recording up to eight past TRIP events along with diagnostic codes and operational context. Diagnostic text, warning messages, and active TRIP events can also be viewed using the LCD screen on the EMZ9371BC Keypad XT module or through the diagnostic monitor tool in GDC software.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready | Green - Solid / Flashing | Solid: Drive operational and ready for enable. Flashing: Drive operational but inhibited or power stage disabled. |
| IMP / Pulse Inhibit | Yellow - Solid | Power stage pulses are inhibited (thyristor/IGBT gate disable active). |
| Fault / Error | Red - Solid | Active TRIP fault present and drive output disabled. If persistent at startup, indicates internal hardware failure. |
Replacement and Spare Part Considerations
When substituting an existing drive with a replacement EVS9330-EPV004, maintaining physical and functional alignment is essential. Ensure that the replacement unit shares the exact -EP firmware designation, as non-positioning variants lack the internal positioning block libraries required for single-axis motion profile execution. The physical dimensions, 45 kW power stage rating, and 3-phase 320 V to 528 V AC input supply must match existing panel infrastructure.
A replacement unit cannot be commissioned directly out of the box without downloading application parameters. All target positioning profiles, homing options, motor parameters, and fieldbus communication settings must be transferred from the original unit or a saved software project using GDC software or the EMZ9371BC keypad. Verify that optional communication cards, such as PROFIBUS or CANopen AIF modules, are transferred to the replacement unit and that fieldbus node switches and termination resistors are configured correctly.
If upgrading legacy installations, note that successor platforms such as the Lenze i950 and 9400 HighLine series offer migration options for legacy 9300 Servo positioning drives. However, direct drop-in replacement with an identical EVS9330-EPV004 unit eliminates the need for PLC program rewrites or mechanical mounting panel modifications.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OH | Heatsink Overtemperature | Drive heat sink temperature exceeded maximum allowed threshold (approx. 90°C). | Insufficient cooling airflow, dirty heatsink fins, ambient temperature too high, continuous excessive overload. | Clean heat sink, check cabinet ventilation and fans, verify operating load profile. |
| OH4 | Motor Overtemperature | Motor temperature sensor connected to terminals T1/T2 tripped. | Motor thermal overload, thermal sensor cable broken or disconnected, incorrect sensor type selected. | Allow motor to cool, check thermal sensor wiring (PTC/Klixon), verify motor sizing. |
| OH7 | Interior Overtemperature | Temperature inside controller enclosure exceeded safety limit. | Enclosure internal ambient temperature too high, internal fan failed. | Improve enclosure cooling, verify cabinet fans. |
| OU | DC Bus Overvoltage | DC bus voltage exceeded upper limit threshold (>770 V DC). | Excessive regenerative energy during deceleration, brake chopper resistor open or undersized, deceleration ramp too short. | Increase deceleration time, inspect external braking resistor and brake module connection. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below minimum threshold (<435 V DC at 400V mains). | Mains supply failure, voltage drop on AC input, phase loss, precharge circuit open. | Check AC mains supply voltage, check input fuses and line contactors. |
| OC1 | Short Circuit / Overcurrent | Instantaneous peak current limit exceeded on output phases. | Short circuit in motor cable or motor winding, ground fault, acceleration ramp too fast, motor cable too long. | Inspect motor and cabling for short circuit/earth fault using megohmmeter, check acceleration parameters. |
| OC2 | Earth Fault | Ground leakage current detected on output terminals. | Insulation breakdown in motor or power wiring, capacitive ground currents from long cable runs. | Test motor insulation, check cable integrity, install output filters if motor lead is long. |
| OC5 | I x t Overload | Drive continuous load profile exceeded thermal rating (150% for 60s exceeded). | Mechanical blockage, drive undersized for dynamic profile, continuous high acceleration/deceleration duty. | Check machine mechanics for binding, reduce duty cycle or accelerate time, verify motor/drive sizing. |
| NMAX | Overspeed | Motor speed exceeded maximum configured threshold. | Gain/tuning issue in speed loop, incorrect field weakening setting, external load backdriving motor. | Check speed controller parameters, verify feedback resolver signals. |
| P01 | Positive Limit Switch Reached | Axis hit hardware positive limit switch during positioning task. | Position profile targets beyond physical travel limit, limit switch activated or miswired. | Move axis manually out of limit switch, check position setpoints and limit switch wiring. |
| P02 | Negative Limit Switch Reached | Axis hit hardware negative limit switch during positioning task. | Position profile targets beyond physical travel limit, limit switch activated or miswired. | Move axis manually out of limit switch, check position setpoints and limit switch wiring. |
| P03 | Following Error Max Exceeded | Position deviation between command position and actual position exceeded maximum allowable limit. | Mechanical jam, acceleration too high, position loop gains too low, dynamic load change. | Inspect mechanical motion for binding, check position controller gain settings, adjust following error limit threshold. |
| P12 | Software Limit Switch Positive | Target position command exceeds defined software positive limit position. | Target coordinate out of range, home position incorrect. | Check target position value and home reference point. |
| CE0 | CAN Communication Error (Bus Off) | Internal CAN system bus entered Bus-Off status due to transmission errors. | Bus termination missing/wrong, baud rate mismatch, cable broken, severe noise interference. | Check CAN wiring, shield grounding, 120 ohm termination resistors, and node baud rates. |
| CE1 | CAN Time-out | Process data object (PDO) timeout on System Bus. | Master or peer node stopped sending data, communication cycle time too short. | Check master status and bus wiring. |
| EER | EEPROM Checksum Error | EEPROM parameter memory checksum is invalid. | Power failure during parameter store write operation, corrupt memory hardware. | Reload factory default settings (C0002 = 1) and re-download parameter file. If error persists, internal control board is defective - return unit for repair. |
| H05 | Internal Hardware Fault | Fault detected during internal power stage or micro-controller self-test. | Internal circuit failure or damaged gate driver / power board component. | Internal hardware failure — power cycle unit; if error persists, unit is not field-serviceable and must be returned for repair. |
| H07 | Internal Voltage Supply Error | Internal power supply voltage (+5V, +/-15V, +24V) out of tolerance. | Control board power supply component failure or excessive load on external 24V output terminals. | Disconnect external terminal wiring; if error persists, internal hardware fault exists — return unit for repair. |
| H10 | Internal Processor Communication Error | Communication failure between primary DSP and secondary microcontroller. | Internal hardware failure or noise burst on control board ribbon cable. | Internal hardware failure — return unit for repair. |
| LP1 | Mains Phase Loss | Failure or severe imbalance detected in 3-phase input voltage. | Blown input fuse, loose line connection, severe voltage unbalance. | Measure input voltage across L1, L2, L3 under load. Replace blown fuses. |
Frequently Asked Questions
What software is required to configure the Lenze EVS9330-EPV004?
Lenze Global Drive Control (GDC) software version 4.x or higher is used to configure parameters and positioning profiles. Alternatively, basic parameter entry and diagnostic monitoring can be performed using the pluggable EMZ9371BC Keypad XT module.
Does a replacement EVS9330-EPV004 require parameter setup before running?
Yes. A replacement drive contains default factory parameters and cannot execute machine motion until its parameter set—including positioning profiles, motor parameters, and fieldbus settings—is loaded using the EMZ9371BC keypad or GDC software.
Which communication networks are supported by this controller?
The controller features an onboard CANbus system bus (X4 interface) operating up to 500 kbit/s. Additional networks such as PROFIBUS-DP, CANopen, and INTERBUS are supported by inserting pluggable Automation Interface (AIF) modules like the EMF2133IB or EMF2175IB.
How do I interpret the status LEDs on the drive?
The green Ready LED indicates operational state (solid for ready/enabled, flashing for inhibited/disabled). The yellow IMP LED indicates pulse inhibit (gate disable). The red Fault LED indicates an active TRIP event with drive output disabled.
What should I do if an EER EEPROM Checksum Error occurs?
An EER error indicates corrupt memory. Reset factory default parameters via parameter C0002 = 1 and re-download the parameter file using GDC software. If the fault persists after re-downloading, the internal control hardware is defective and requires repair.
What are the primary power ratings for the EVS9330-EPV004?
The unit operates on a 3-phase AC input supply from 320 V to 528 V AC (rated 400/480 V AC) with a rated mains current of 80 A. It provides a rated output power of 45 kW, continuous output current of 89 A, and 60-second peak current of 133.5 A.
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