Lenze EVS9322-EPV004 9300 Servo Positioning Controller 0.75kW
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Product Information
The Lenze EVS9322-EPV004 is a 0.75 kW servo positioning controller from the Lenze 9300 Servo family, designated under model code EVS9322-EP. Operating across a 3-phase AC supply voltage range of 320 V to 528 V at 45 Hz to 65 Hz, this compact drive unit delivers a continuous output current of 2.5 A with a peak output current capability of 3.75 A for demanding acceleration phases. Designed for high-accuracy dynamic positioning and motor speed regulation, the drive powers synchronous and asynchronous AC servomotors in applications such as packaging machinery, automated assembly systems, web handling, and machine tools.
Physical connectivity features a dedicated 9-pin D-sub resolver feedback input at interface X7 alongside TTL/RS422 incremental encoder input and output connections at interface X8 supporting signal frequencies up to 500 kHz. System integration relies on an integrated CAN system bus using CANopen protocols up to 500 kbit/s, while a 33-pin Automation Interface slot accepts plug-in fieldbus modules. Commissioning a replacement unit requires transferring saved configurations from internal EEPROM memory—which holds up to four parameter sets—or uploading parameters via Lenze Global Drive Control software or the Keypad XT module. When replacing a failed unit, matching hardware specs and transferring existing option cards are vital steps, and technical support from ABC Industrial Parts can assist in ensuring precise configuration backup and restoration.
Diagnostic monitoring on the EVS9322-EPV004 is handled via front panel status LEDs, where the green Operation LED signals controller enable status and the red TRIP LED indicates a active fault state. Advanced diagnostic monitoring includes code C0183 for immediate active TRIP codes and code C0168 for a fault history log storing the last four fault events with timestamps. Keypad XT display menus and GDC software provide direct visibility into operating states and common system trips such as overvoltage, undervoltage, or feedback errors. Internal hardware defects or microprocessor failures are non-field-serviceable, making a tested replacement drive from ABC Industrial Parts the standard solution for minimizing machine downtime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9322-EPV004 |
| Model / Type | EVS9322-EP |
| Product Family | 9300 Servo |
| Component Type | Servo Positioning Controller |
| Rated Power Output | 0.75 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Supply Frequency | 45 - 65 Hz |
| Continuous Output Current | 2.5 A |
| Maximum Output Current | 3.75 A |
| Rated Mains Current | 2.5 A |
| Switching Frequency | 8 kHz |
| Maximum Output Frequency | 480 Hz |
| Power Loss | 70 W |
| Digital Inputs | 4 |
| Digital Outputs | 2 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
| Integrated Fieldbus | CANopen / CAN System Bus |
Programming and Configuration
The Lenze EVS9322-EPV004 servo positioning controller is commissioned and configured using Lenze Global Drive Control (GDC) software or via the optional plug-in Keypad XT module (EMZ9371BC / EMF2102IB). Parameterization defines operational parameters including dynamic position control loops, velocity profiles, feedback response, and motor characteristics, alongside mapping the four digital inputs, two digital outputs, two analog inputs, and two analog outputs.
To simplify machine servicing and parameters backup, the drive houses internal non-volatile EEPROM memory capable of retaining up to four complete parameter sets. This internal storage enables fast parameter backup and restore operations without needing continuous external power. During unit replacement, saved configuration files can be uploaded using GDC software or copied via the Keypad XT module to ensure full parameter alignment with the target machine.
Communication and System Integration
System networking on the EVS9322-EPV004 is anchored by an onboard CAN system bus interface operating on CANopen protocols at transmission rates up to 500 kbit/s. This integrated interface allows rapid peer-to-peer data exchange between multiple servo drives, supporting synchronized multi-axis control, electronic shafts, and distributed motion topologies across complex automation lines.
For integration into broader plant networks, the unit features a 33-pin Automation Interface (AIF) slot designed to accept plug-in option cards. Supported communication options include the EMF2133IB PROFIBUS-DP card and EMF2175IB DeviceNet module, as well as INTERBUS and LECOM serial interface cards. Network addresses, baud rates, and fieldbus parameters are managed directly within the drive parameters.
Diagnostics and Status Indication
Operational diagnostic indicators on the front panel of the EVS9322-EPV004 consist of two primary LEDs. A green Operation LED signals controller enable status and operational readyness, while a red TRIP LED alerts maintenance staff to active fault states.
In-depth diagnostic monitoring is accessed using the Keypad XT display or the GDC software diagnostic tool. Active error codes are displayed under parameter C0183, while parameter C0168 provides access to a non-volatile fault history log storing the last four TRIP events with timestamps for fault tracking.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| TRIP | Red - Solid / Flashing | Fault state indicator |
| Operation | Green - Solid / Flashing | Controller enable and operational state indicator |
Replacement and Spare Part Considerations
When replacing an existing Lenze drive with a spare EVS9322-EPV004, confirm that the power rating matches 0.75 kW and the continuous current rating corresponds to 2.5 A. Verifying that input power matches the 3-phase 320 V to 528 V AC specification prevents potential hardware damage or line protection trips upon power-up.
Before applying power to the replacement unit, any plug-in expansion module installed in the original controller's Automation Interface (AIF) slot—such as a PROFIBUS or DeviceNet card—must be unseated and reinstalled into the replacement unit. Additionally, parameter sets must be restored from backup via GDC software or loaded from the Keypad XT module to ensure correct feedback loop parameters, I/O assignments, and positioning setups.
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 on output phases or ground fault | Short circuit in motor cable or motor windings; cable capacitance too high | Check motor cable and motor for phase-to-phase or phase-to-ground short circuits. Check motor insulation. |
| OC2 | Earth Fault / Ground Fault | Ground fault on output phase | Ground fault in motor lead or motor insulation breakdown | Check motor wiring and insulation to ground. |
| OC5 | I*t Overload | Drive loaded above rated continuous current limit for extended time | Excessive continuous mechanical load, stalled motor, undersized drive | Reduce load, check machine mechanics for blockages, check sizing of motor and drive. |
| OU | DC-Bus Overvoltage | DC bus voltage exceeds upper threshold limit | Braking energy returned to drive too high; deceleration ramp too short; brake resistor defective or not connected | Extend deceleration time, connect external brake resistor, check brake chopper circuit. |
| LU | DC-Bus Undervoltage | DC bus voltage dropped below minimum operating limit | Mains supply failure, supply voltage drop, phase loss | Check mains voltage supply, check line fuses and main switch. |
| OH | Heatsink Overtemperature | Power section heatsink temperature exceeded maximum safety threshold | Inadequate cooling, fan blocked or defective, ambient temperature too high | Clean heatsink, check cabinet ventilation and internal drive fan operation. |
| OH3 | Motor Overtemperature (PTC) | Motor temperature sensor reported overtemperature trip | Motor thermal overload, cooling fan failure on motor, incorrect PTC sensor connection | Allow motor to cool down, check motor load and forced-cooling fan, verify PTC sensor connections at terminal T1/T2. |
| OH7 | Internal Drive Overtemperature | Drive internal ambient/board temperature too high | Control cabinet temperature excessive | Improve cooling inside control cabinet. |
| CE0 | Communication Error AIF | Interrupted communication between controller and module in AIF slot | Loose fieldbus module connection, defective module or interference | Check fieldbus module seated correctly in AIF slot, check grounding and shield connection. |
| CE1 | System Bus (CAN) Communication Error | CANbus line fault or node timeout | Bus cable broken, incorrect baud rate, missing termination resistor | Check CAN bus wiring, shield connection, terminal resistors (120 Ohm), and node addresses. |
| EEr | Internal EEPROM Fault | Data corruption or read/write failure in internal non-volatile EEPROM memory | Internal hardware fault, power interruption during parameter write cycle | Internal hardware error — re-initialize parameters to factory default. If error persists, return unit for repair/replacement. |
| H05 | Internal Hardware Error | Internal board component or controller microchip failure detected during self-test | Internal circuit defect | Internal hardware fault — non-field-serviceable. Replace drive or contact manufacturer service. |
| NMAX | Speed Limit Exceeded | Motor speed exceeded maximum permissible limit threshold (C0596) | Speed controller loop instability, incorrect feedback resolution parameter, overspeed condition | Check speed controller gains, resolver/encoder setup, and speed limit configuration. |
| Sd1 | Resolver Fault | Resolver signal loss or open circuit detected at X7 interface | Resolver cable disconnected, broken wire, defective resolver | Check resolver wiring, connector X7 seating, and resolver insulation. |
| Sd2 | Incremental Encoder Fault | Encoder signal track failure or missing pulse train at X8 interface | Encoder cable defect, power supply failure to encoder, loose connector | Check encoder cable, connectors, and encoder supply voltage settings. |
| LP1 | Mains Phase Failure | Failure of one or more incoming AC mains power lines | Blown fuse, broken line supply cable, supply asymmetry | Check incoming mains lines L1, L2, L3 and line protection devices. |
Frequently Asked Questions
What software and accessories are used to parameterize the Lenze EVS9322-EPV004?
The drive is parameterized using Lenze Global Drive Control (GDC) software or the plug-in Keypad XT operator module (EMZ9371BC / EMF2102IB). Up to four parameter sets can be stored directly in the unit's internal non-volatile EEPROM memory.
How are fieldbus communication capabilities added to the EVS9322-EPV004?
Fieldbus networking is enabled via the built-in 33-pin Automation Interface (AIF) slot, which accepts plug-in cards such as the EMF2133IB for PROFIBUS-DP or EMF2175IB for DeviceNet, alongside INTERBUS and LECOM communication cards.
Which motor feedback interfaces are available on the EVS9322-EPV004 controller?
The controller includes a 9-pin D-sub resolver interface at connector X7 and a TTL/RS422 incremental encoder input/output interface at connector X8 supporting signal frequencies up to 500 kHz.
How do you view active fault codes and trip history on the drive?
Active TRIP fault codes are viewed under code C0183 using the Keypad XT display or GDC software. The fault history log, which stores the last four TRIP events with timestamps, is accessed under code C0168.
What corrective actions are recommended when fault code Sd1 occurs?
Fault code Sd1 indicates a resolver signal loss or open circuit at interface X7. Inspect the resolver cable, verify connector X7 is firmly seated, and test the resolver windings and wiring insulation.
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