Lenze 13015954 EVS9322-EP 9300 Servo Drive 0.75kW
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Product Information
The Lenze 13015954 EVS9322-EP is a 0.75 kW servo positioning controller from the Lenze 9300 Servo series. Designed for high-precision dynamic motion control in automated machinery, this servo drive operates on a 3-phase mains supply ranging from 320 V AC to 528 V AC at 45 to 65 Hz. It provides a rated continuous output current of 2.5 A at an 8 kHz switching frequency, with a peak overload capacity of 3.75 A for up to 60 seconds. Featuring built-in positioning controller firmware, the unit manages multi-axis position control, indexing rotary tables, and gantry feed drives directly, eliminating the need for an external positioning controller.
Interfacing options on the drive include an integrated CANopen system bus operating at up to 500 kbit/s on terminal X4, as well as Automation Slot X3 for fieldbus expansion modules such as PROFIBUS-DP or INTERBUS. Dual feedback interfaces accommodate resolvers via 9-pin D-Sub connector X7 and SinCos or incremental encoders via 15-pin D-Sub connector X8. Commissioning a replacement unit requires transferring the parameter configuration stored in the drive non-volatile EEPROM, which holds up to four complete parameter sets. Drive setups can be moved to a spare unit using the Lenze 9371BB keypad module or Global Drive Control (GDC) software v4.x+. Technical support from ABC Industrial Parts can assist in verifying parameters and preparing donor drives for rapid re-commissioning.
Diagnostic oversight is provided via onboard status LEDs indicating drive ready, controller inhibit, and trip conditions, alongside detailed TRIP error code displays on the optional 9371BB keypad or through GDC software. Common field errors include heatsink overtemperature (OH), DC bus overvoltage (OU) or undervoltage (LU), short circuits (OC1), and feedback faults on connectors X7 (Sd1) or X8 (Sd2). While external causes like mains phase failure or motor overloads can be addressed through line and wiring checks, persistent red fault indications after a power cycle or hardware errors like H05 point to internal circuit defects. In such instances where field repairs are not feasible, ABC Industrial Parts provides tested exchange units and repair services to restore operational uptime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 13015954 |
| Model/Type | EVS9322-EP |
| Product Family | 9300 Servo |
| Component Type | Servo Drive |
| Rated Power Output | 0.75 kW |
| Supply Voltage | 400 V AC |
| Supply Voltage Range | 320 - 528 V AC |
| Supply Frequency | 45 - 65 Hz |
| Rated Output Current | 2.5 A |
| Maximum Output Current | 3.75 A |
| Output Voltage Range | 0 - Mains Voltage V AC |
| Switching Frequency | 8 kHz |
| Integrated Bus Interface | CANopen (500 kbit/s) |
Programming and Configuration
Drive parameterization for the Lenze EVS9322-EP is managed using Lenze Global Drive Control (GDC) software version 4.x or higher, connected via the EMF2177IB PC system bus adapter. Alternatively, local setup can be performed directly on the unit using the pluggable 9371BB keypad operating module. The integrated EEPROM memory retains up to four full parameter sets in non-volatile storage, preserving control loops, speed limits, ramp times, and position profile data across power interruptions.
When replacing a unit or adjusting commissioning settings, code C0002 allows default parameters to be reloaded, while code C0003 provides direct inspection of active status and historic fault logs. Motion settings such as the positioning gain parameter C0254, following error window parameter C0255, and overspeed threshold C0596 can be modified and saved into one of the internal memory slots. Parameter extraction from a faulty unit can often be performed via software to clone exact operating parameters directly onto a replacement drive.
Communication and System Integration
The EVS9322-EP servo drive features built-in CANopen system bus functionality on terminal block X4. Operating at transfer speeds up to 500 kbit/s, this onboard interface enables low-latency multi-drive synchronization and real-time motion data exchange across the control network. Bus lines must be terminated with 120-ohm resistors at both ends of the CAN network to prevent signal reflection errors.
For broader fieldbus integration, the unit includes Automation Slot X3, which supports plug-in communication options including the EMF2131IB or EMF2133IB PROFIBUS-DP modules and the EMF2111IB INTERBUS module. Feedback devices connect directly to dedicated ports on the front panel: 9-pin D-Sub connector X7 for resolver units and 15-pin D-Sub connector X8 for SinCos or incremental encoder feedback.
Diagnostics and Status Indication
The drive provides real-time operational diagnostics through three LED indicators on the unit front panel: DRIVE FAULT (Red), DRIVE READY / RUN (Green), and IMP / Controller Inhibit (Yellow). A solid green light confirms that the inverter is operational and the controller is running, while a yellow illumination indicates an active pulse inhibit or current limiting state. A red illumination indicates a active TRIP condition, disabling inverter output; if the red LED remains solid after cycling input power, an internal hardware defect is present.
Advanced diagnostic feedback is available by connecting the 9371BB keypad module, which displays active TRIP fault codes and live operational variables. Maintenance technicians can also connect a PC via GDC software to utilize live monitoring dashboards, real-time oscilloscope tracking of current and velocity loops, and historical event memory stored under parameter code C0003.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE FAULT | Red - Solid / Flashing | TRIP / Fault condition active. Inverter output disabled. Persistent light after power cycle indicates internal hardware failure. |
| DRIVE READY / RUN | Green - Solid | Inverter operational / controller enabled and running. |
| IMP / Controller Inhibit | Yellow - Solid | Controller inhibit active (pulse inhibit set) or active current limit reached. |
Replacement and Spare Part Considerations
When selecting a replacement for a Lenze EVS9322-EP servo positioning controller, verifying the exact part number (13015954) and model designation is essential. The 'EP' variant contains specialized onboard positioning firmware required for executing motion profiles without external PLCs. Equipment originally configured with standard inverter variants cannot run positioning tasks without parameter re-configuration and matching control firmware.
Before putting a spare drive into service, all four parameter sets must be transferred from the original unit or downloaded from a saved GDC project file. Ensure that terminal wiring, optional fieldbus modules in Slot X3, and motor feedback plugs on connectors X7 or X8 match the original physical installation. If migrating to newer hardware architectures, the Lenze i950 series serves as the OEM-recommended successor path, though direct drop-in replacement of existing 9300 units remains the fastest path to restoring production without altering existing cabinet wiring and PLC software.
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 | Heatsink temperature exceeded upper limit threshold (>= 85°C / 90°C). | Inadequate cooling, fan failure, dirty heatsink, high ambient temperature, excessive continuous load. | Clean heatsink, verify cooling fan operation, check cabinet ambient temperature and load profile. |
| OH4 | Motor Overtemperature | Motor temperature sensor (PTC/KTY) triggered thermal fault. | Motor overload, blocked motor shaft, incorrect sensor selection or broken thermal sensor cable. | Allow motor to cool down, inspect load and mechanical binding, check thermal sensor wiring. |
| OU | DC Bus Overvoltage | DC bus voltage exceeded max threshold (~770 V DC). | Excessive regenerative energy during deceleration, deceleration ramp too short, missing or defective brake chopper / braking resistor. | Increase deceleration time, check braking resistor connection and value, check mains supply voltage. |
| LU | DC Bus Undervoltage | DC bus voltage fell below threshold (~285 V DC). | Mains supply failure, supply voltage drop, phase loss, power interruption. | Check mains voltage, input supply fuses, line contactor, and supply wiring. |
| OC1 | Short Circuit / Overcurrent | Instantaneous motor current exceeded maximum trip limit. | Short circuit in motor windings or motor cable, severe acceleration ramp, motor control instability. | Check motor cable and motor winding insulation, verify acceleration time and motor data parameters. |
| OC2 | Earth Fault | Ground fault detected on motor output phase. | Ground connection fault in motor cable or motor winding. | Check motor cable for phase-to-ground short, test motor insulation resistance to earth. |
| OC5 | I x t Overload | Drive overload integration (I x t) limit reached. | Continuous operation above rated continuous current (2.5 A). | Reduce drive load, select larger power class drive if operating cycle requires higher continuous current. |
| CE0 | System Bus (CAN) Communication Error | Communication failure on integrated CAN system bus. | Bus cable break, incorrect node address, incorrect baud rate, missing 120 ohm termination resistors. | Inspect CAN cabling, check baud rate and termination resistors at both bus ends. |
| CE1 | Automation Module Error | Communication error between drive and optional fieldbus card in Slot X3. | Fieldbus master fault, fieldbus module detached, cable break, configuration mismatch. | Check module connection in slot X3, verify fieldbus wiring and PLC master state. |
| EE0 | EEPROM Data Fault | Internal EEPROM checksum or write error. | Corrupted non-volatile parameter memory or internal EEPROM hardware failure. | Reload default parameters (C0002) and re-download configuration. Return unit for repair if error persists. |
| H05 | Internal Hardware Fault | Controller board self-diagnostic detected internal hardware defect. | Internal circuit board failure, power supply fault on control card. | Internal hardware fault — return unit for repair or replace drive. |
| NMAX | Overspeed Fault | Motor shaft speed exceeded maximum permissible limit (C0596). | Incorrect speed controller tuning, encoder feedback noise, mechanical runaway. | Check speed controller gains, verify feedback device signal integrity and NMAX limit parameter. |
| PR0 | Contouring Error / Following Error | Actual position lagged behind setpoint position beyond set tolerance limit. | Mechanical jam, insufficient acceleration torque, dynamic positioning controller gain set too low. | Check mechanical axis for smooth travel, verify position loop gain (C0254) and following error window (C0255). |
| Sd1 | Resolver Fault | Resolver signal loss or broken wire detected on X7. | Resolver cable disconnected, damaged cable shielding, defective resolver. | Check connector X7, test resolver wiring for continuity and shield grounding. |
| Sd2 | Encoder Signal Fault | SinCos / Incremental encoder feedback signal error detected on X8. | Encoder cable loose or damaged, supply voltage loss to encoder, noise interference. | Check encoder cable and plug X8, measure encoder power supply voltage. |
| LP1 | Mains Phase Failure | Single line input phase missing or voltage imbalance detected on AC mains supply. | Blown input fuse, loose terminal block connection, single-phase power supply active. | Check AC mains supply phase-to-phase voltages at terminals L1, L2, L3. |
Frequently Asked Questions
How do I transfer parameter settings from an old EVS9322-EP drive to a replacement unit?
Parameter sets can be transferred using the Lenze 9371BB keypad operating module or Lenze Global Drive Control (GDC) software v4.x+ via the EMF2177IB adapter. Up to four parameter sets stored in non-volatile EEPROM can be saved to a file or keypad and written to the spare drive.
What motor feedback devices are supported by the Lenze EVS9322-EP?
The unit features two built-in feedback interface connectors: 9-pin D-Sub connector X7 for resolvers and 15-pin D-Sub connector X8 for SinCos or incremental encoder feedback.
What does a solid red DRIVE FAULT LED indicate on the front panel?
A red DRIVE FAULT LED signifies an active TRIP fault condition, which disables inverter output. If the red light stays illuminated continuously after cycling mains power, an internal hardware defect has occurred.
How can fieldbus protocols like PROFIBUS-DP be added to the EVS9322-EP?
Fieldbus communication is added by inserting an optional module into Automation Slot X3, such as the EMF2131IB or EMF2133IB module for PROFIBUS-DP or the EMF2111IB for INTERBUS.
What causes error code OU on the EVS9322-EP and how is it resolved?
Code OU indicates DC bus overvoltage exceeding approximately 770 V DC. This is usually caused by excessive regenerative power during fast deceleration, a short deceleration ramp, or a missing or defective braking resistor. Extending deceleration time or checking the brake chopper and resistor connection typically resolves the issue.
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