Lenze EVS9323-EPV004 9300 Servo Positioning Controller 3.0 kW
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Product Information
The Lenze EVS9323-EPV004 is a 3.0 kW digital servo positioning controller from the Lenze 9300 Servo product family. Designed for high-dynamic motion applications such as packaging machines, precision linear actuators, and synchronized multi-axis systems, this servo drive operates on a 3-phase AC supply voltage ranging from 320 V AC to 528 V AC at 45 to 65 Hz. It provides a rated output voltage from 0 V AC up to 480 V AC and can deliver a continuous output current of 7.0 A at an 8 kHz switching frequency, or 4.7 A when configured for a 16 kHz switching frequency. Physical control I/O includes five digital inputs, two digital outputs, two bipolar 12-bit analog inputs (-10V to +10V), and two bipolar analog outputs.
Interfacing the unit into a machine relies on an integrated CAN system bus interface for system-wide axis synchronization and multi-drive networking, alongside an Automation Interface (AIF) expansion slot compatible with communication modules like the EMF2133IB PROFIBUS DP, INTERBUS, or DeviceNet adapter. Motor feedback is handled via an integrated resolver interface, an incremental encoder or master frequency input, and a master frequency output for electronic shaft configurations. Putting a replacement EVS9323-EPV004 drive into service requires loaded parameter data, as up to four complete parameter sets are stored in internal non-volatile EEPROM memory. Parameters can be backed up and restored using Lenze Global Drive Control (GDC) software or transferred via a pluggable EMF2102IB Keypad XT module. When replacing a failed unit, parameter extraction from donor hardware or existing backups ensures exact motor tuning, positioning limits, and network settings are transferred before commissioning. ABC Industrial Parts supports technical teams with replacement drives and configuration preparation.
System status and active faults are indicated directly on the front panel by a pair of diagnostic LEDs, where a green LED signals controller enablement or readiness and a red LED alerts to active TRIP fault conditions or severe internal faults. Diagnostic details can be evaluated via parameters C0161 for TRIP history and C0168 for active error codes using the Keypad XT display menu or the GDC software diagnostic dashboard, while hardware fault signaling is exposed through onboard relay terminals 30A and 30B. Common operational issues include overvoltage (OU), undervoltage (LU), earth fault leakage (OC2), or resolver signal loss (SD2), which require checking line power, braking resistors, cabling, and resolver connections. When fault conditions point to board-level memory errors (EER), overcurrent short circuits (OC1), or internal hardware faults (H05), field repairs are not feasible, making an exchange unit or repair service from ABC Industrial Parts the most reliable path to restore machine operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9323-EPV004 |
| Model / Type | EVS9323-EP V004 |
| Product Family | 9300 Servo |
| Component Type | Servo Controller |
| Rated Power | 3.0 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Mains Rated Current | 7.0 A |
| Continuous Output Current (8 kHz) | 7.0 A |
| Continuous Output Current (16 kHz) | 4.7 A |
| Output Voltage | 0 - 480 V AC |
| Switching Frequency | 8 / 16 kHz |
| Digital Inputs | 5 |
| Digital Outputs | 2 |
| Analog Inputs | 2 Bipolar (-10V to +10V) |
| Analog Outputs | 2 Bipolar (-10V to +10V) |
| Analog Input Resolution | 12 bit |
| Onboard Fieldbus | CAN System Bus (CANopen) |
| Expansion Slot | Automation Interface (AIF) |
Programming and Configuration
Engineering and commissioning of the Lenze EVS9323-EPV004 positioning controller are performed using Lenze Global Drive Control (GDC) software or directly on the drive via the pluggable EMF2102IB Keypad XT display module. GDC software provides diagnostic dashboards, parameter management tools, and an integrated oscilloscope function for real-time motor tuning and trace recording.
The drive contains internal EEPROM memory capable of storing up to four independent, complete parameter sets. Key parameters include C0003 for accessing the display menu code structure, C0161 for viewing historical TRIP records, and C0168 for reading active fault codes. Resetting the drive to factory defaults is executed by setting parameter C0002 to 1, allowing technical personnel to start commissioning from a known base configuration.
Communication and System Integration
Network connectivity is natively provided through an integrated onboard CAN system bus (CANopen) interface, facilitating inter-drive synchronization, rapid command distribution, and multi-axis speed or position coordination without external bus couplers.
For higher-level factory automation integration, the drive features an Automation Interface (AIF) slot. This slot accommodates option modules such as the EMF2133IB PROFIBUS module, INTERBUS, DeviceNet, or LECOM RS232/485 interfaces. System wiring must incorporate proper bus line termination, such as 120-ohm resistors on CAN system bus networks, to prevent signal reflection and communication timeouts.
Diagnostics and Status Indication
Visual status monitoring on the EVS9323-EPV004 is provided by two LEDs located on the controller interface. Detailed diagnostic status can be queried using parameter C0168 (active fault code) and parameter C0161 (TRIP history) via the EMF2102IB Keypad XT or GDC software.
External diagnostic integration is further supported through fault relay output terminals 30A and 30B, which can be wired directly into safety circuits or PLC alarm inputs to indicate fault conditions automatically.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED | Red - Flashing / Solid | Flashing: Fault active (TRIP condition). Solid: Severe internal error or initialisation fault requiring repair or service. |
| Green LED | Green - Solid / Flashing | Solid ON: Controller enabled / operational. Flashing: Controller inhibited / ready. |
Replacement and Spare Part Considerations
When replacing an existing Lenze EVS9323-EPV004, exact hardware model alignment ensures matching power terminal layouts and output ratings. Any installed communication options, such as an EMF2133IB PROFIBUS module in the AIF slot, must be transferred from the original unit to the replacement drive prior to powering up.
Because parameters are non-volatile and unique to the machine configuration, transferring saved settings via the EMF2102IB Keypad XT or restoring a GDC project backup is necessary to restore correct dynamic response and network addresses. For legacy modernizations, the Lenze i950 cabinet servo drive serves as the recommended upgrade platform when transitioning away from the legacy 9300 Servo series.
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 | Short circuit or earth fault at motor output terminals | Short circuit in motor cable, phase-to-phase fault, or damaged output stage | Check motor wiring and insulation, test motor windings; if error persists without motor connected, internal power module is damaged (return for repair). |
| OC2 | Earth Fault | Earth fault / ground leakage current detected | Ground leak in motor cable, damp motor windings, excessive line capacitance | Check ground insulation of motor and cable using megohmmeter. |
| OC5 | I x t Overload | Inverter thermal load limit exceeded (continuous overload) | Drive oversized for motor or excessive mechanical load, prolonged acceleration time | Reduce acceleration rates, check load for mechanical binding, verify duty cycle. |
| OU | Overvoltage DC Bus | DC bus voltage exceeds upper threshold limit (> 770 V DC) | Deceleration time too short, braking energy too high, brake resistor not connected or brake chopper defective | Increase deceleration time, install or check external braking resistor and brake chopper configuration. |
| LU | Undervoltage DC Bus | DC bus voltage drops below lower limit (< 430 V DC) | Mains supply failure, supply voltage drop, phase loss | Verify incoming 3-phase mains voltage and check input fuses. |
| OH | Heatsink Overtemperature | Power module heatsink temperature exceeded maximum threshold (> 85 °C) | Inadequate cooling, fan failure, dirty heatsink, cabinet ambient temperature too high | Clean heatsink, inspect enclosure fan and airflow, verify ambient operating temperature. |
| OH4 | Motor Temperature Fault | Motor temperature sensor (PTC or thermal contact) tripped | Motor thermal overload, cooling fan failure on motor, PTC sensor wiring interrupted | Allow motor to cool down, inspect motor cooling fan, check sensor terminal wiring. |
| OH7 | Interior Overtemperature | Internal ambient temperature inside the controller housing too high (> 70 °C) | Enclosure cooling failure or high ambient temperature | Improve enclosure ventilation and cooling. |
| CE0 | CAN Communication Error | System bus (CAN) communication timeout or fault | Bus cable broken, missing bus termination resistor, wrong baud rate configuration | Inspect CAN cabling, check 120 ohm termination resistors at both ends of the bus line. |
| CE1 | AIF Communication Error | Communication failure on Automation Interface module (e.g. PROFIBUS) | Fieldbus master fault, loose fieldbus module, defective module cable | Check module fitting, fieldbus cable connection, master PLC operating status. |
| EER | EEPROM Fault | Internal EEPROM checksum error during parameter read/write | Internal memory corruption or hardware board failure | Reload factory default settings (C0002 = 1); if fault persists, unit has internal hardware failure and must be repaired/replaced. |
| H05 | Internal Hardware Error | Board-level control card fault | Internal component failure on control PCB | Internal hardware fault — non-field-serviceable; return unit for repair or replace. |
| SD2 | Resolver Feedback Fault | Resolver signal loss or track error | Resolver cable disconnected, shielding broken, defective resolver unit | Check X7 plug connection and resolver cable shield, verify resolver feedback. |
| NMAX | Overspeed | Motor speed exceeded maximum limit | Incorrect speed controller tuning, gain parameters unstable | Re-tune speed loop, check speed limits and resolver feedback calibration. |
Frequently Asked Questions
What software is required to configure the Lenze EVS9323-EPV004?
The controller is configured using Lenze Global Drive Control (GDC) software. Alternatively, basic parameter changes and status checks can be performed directly using the pluggable EMF2102IB Keypad XT display module.
How do I transfer parameters from a failed EVS9323-EPV004 to a spare drive?
Parameters stored in the drive's internal EEPROM can be saved to an EMF2102IB Keypad XT module and loaded into the spare unit, or downloaded directly using a PC running Lenze Global Drive Control (GDC) software with a suitable interface cable.
What does a solid Red LED indicate on the drive front panel?
A solid Red LED indicates a severe internal hardware fault or initialization failure on the control card, such as an H05 error, which cannot be serviced in the field and requires unit repair or replacement.
Which fieldbus expansion modules can be used with this drive?
The drive features an Automation Interface (AIF) slot that supports communication modules including the EMF2133IB PROFIBUS module, DeviceNet, INTERBUS, and LECOM RS232/485 adapters.
What is the recommended modern replacement platform for this controller?
The recommended legacy replacement platform for the discontinued Lenze 9300 Servo series is the Lenze i950 Cabinet Servo Drive family.
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