Lenze 13015956 EVS9324-EP 9300 Servo Position Controller
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Product Information
The Lenze 13015956 EVS9324-EP is an 11 kW servo inverter belonging to the 9300 Servo series. Designed for high-dynamic motion positioning applications, this unit operates on a 3-phase supply voltage range of 320 to 528 V AC, delivering a continuous rated output current of 23.5 A and a peak overload capacity of 35.3 A for up to 60 seconds. Driven by field-oriented vector control, the drive features an integrated multi-block positioning controller that executes complex motion profiles internally, eliminating the need for external positioning hardware in multi-axis synchronized or feed-axis machinery.
System integration relies on control terminals supporting resolvers and encoder feedback, alongside a built-in CAN system bus interface operating at communication speeds up to 500 kbit/s. An integrated Automation Interface (AIF) slot accommodates optional plug-in communication modules, including PROFIBUS-DP (EMF2133IB), LECOM RS232/RS485 (EMF2102IB), and InterBus (EMF2113IB) cards. Commissioning a replacement drive requires parameter alignment, as motion profiles, motor parameters, and network settings must be transferred. Internal non-volatile EEPROM memory stores up to four parameter sets, which can be uploaded or cloned using Global Drive Control (GDC) software or a Keypad XT (EMZ9371BC) module. Operational support from ABC Industrial Parts can assist maintenance teams with parameter set extraction and verification when migrating configurations from donor or faulty drives.
Operational status and active faults are indicated via front-panel status LEDs. A solid green LED indicates the drive is enabled and active, while a flashing green light signals that the controller is inhibited or ready for operation. A solid red LED indicates an active fault trip, and in cases of severe power stage or control failure, it remains permanently illuminated without outputting a fault code. Advanced diagnostic data can be accessed through the Keypad XT status menu, GDC online oscilloscope tools, or CAN system bus registers C0168 and C0169. First-line troubleshooting involves checking input mains phase stability, motor and feedback wiring, and fieldbus connections. Internal hardware faults, such as unresolvable overcurrent or internal microcontroller errors (H05), cannot be serviced in the field, making an exchange unit or tested repair through ABC Industrial Parts the fastest route to restoring production.
Technical Specifications
| Manufacturer | Lenze |
| Part number | 13015956 |
| Model / Type | EVS9324-EP |
| Product family | 9300 Servo |
| Component type | Servo Inverter |
| Rated power | 11 kW |
| Supply voltage range | 320 - 528 V AC |
| Rated output current | 23.5 A |
| Maximum output current | 35.3 A (60 s) |
| Output voltage | 0 - 400 V AC |
| Switching frequency | 8 kHz |
| Power dissipation | 380 W |
| Control method | Field-oriented vector control |
Programming and Configuration
The Lenze EVS9324-EP utilizes Global Drive Control (GDC) software as its primary engineering tool for parameter setup, motion profile programming, and online diagnostics. Through GDC, engineers can configure multi-block positioning sequences, tune speed and position control loops, and analyze drive behaviour using real-time oscilloscope tools.
Parameter data is preserved within non-volatile EEPROM memory, which holds up to four distinct parameter sets internally. For rapid field replacement, parameter sets can be copied and transferred using the plug-in Keypad XT module (EMZ9371BC) without requiring a direct PC link, enabling straightforward duplication of stored parameters into a spare drive unit.
Communication and System Integration
Network communication in the Lenze 9300 Servo series is facilitated by an onboard CAN system bus interface capable of baud rates up to 500 kbit/s. This interface allows real-time data exchange across multi-axis configurations and supports remote status monitoring through system bus diagnostic registers C0168 and C0169.
To interface with higher-level plant automation systems, the drive includes an Automation Interface (AIF) slot. This modular expansion port accepts plug-in fieldbus modules, including the PROFIBUS-DP module (EMF2133IB), the LECOM RS232/RS485 module (EMF2102IB), and the InterBus module (EMF2113IB), enabling flexible connectivity with master PLCs.
Diagnostics and Status Indication
Diagnostic capabilities on the EVS9324-EP combine visual LED indicators with software-based monitoring tools. Front-panel status LEDs provide immediate operational feedback, while an internal fault history memory records the last eight trip events complete with timestamps to aid in root-cause troubleshooting.
In addition to diagnostic views in Global Drive Control (GDC) software and Keypad XT menus, technicians can monitor live operational signals using analog control terminals X5 and X6. Remote bus status and diagnostic registers can also be queried over the CAN system bus connection.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED (FAIL) | Red - Solid | Fault active; drive is tripped or inhibited. In severe hardware failure, stays permanently lit without fault code output. |
| Green LED (RUN) | Green - Solid / Flashing | Solid green indicates drive enabled and operating; flashing green indicates controller inhibited or ready for operation. |
Replacement and Spare Part Considerations
When replacing a Lenze 13015956 EVS9324-EP servo drive, verifying exact model designation and hardware ratings is essential. Because this inverter integrates position control logic directly into the unit, installing a replacement unit requires restoring full configuration parameters, including internal positioning tasks, feedback calibration, and motor data.
Parameter transfer can be performed by reading the active configuration via Global Drive Control (GDC) software or by transferring parameter sets via a Keypad XT plug-in module. Any installed AIF communication card (such as PROFIBUS or LECOM) must be transferred from the original unit into the replacement drive's AIF slot, ensuring line termination resistors (120 ohms) on CAN network connections are correctly placed.
If a drive fault indicates internal power stage failure (such as continuous OC1 with motor leads disconnected) or an internal microcontroller fault (H05), field repairs on internal circuit boards are not recommended. Replacing the drive with a tested spare or seeking professional repair ensures safe equipment operation and avoids extended downtime.
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 | Short circuit on output phases or instantaneous overcurrent threshold exceeded. | Short circuit in motor cable or winding, acceleration time set too short, defective power stage. | Check motor and cable for short circuit or ground fault. Check acceleration settings. If error persists with motor disconnected, internal hardware is fault - replace unit. |
| OC2 | Earth fault | Ground fault detected on motor phase outputs. | Earth fault in motor cable or winding, capacitive earth currents in long motor lines. | Check motor cable and motor insulation against ground with a megohmmeter. Inspect power connections. |
| OC5 | I x t overload | Continuous overload threshold exceeded (drive overload protection triggered). | Drive undersized for load, mechanical jam or friction, continuous current exceeding rated drive current. | Check mechanical load and continuous motor current. Reduce load or increase ramp times. |
| OH | Heatsink overtemperature | Inverter heatsink temperature exceeds maximum allowable threshold (> 90°C). | Insufficient cooling, dirty heatsink cooling fins, cabinet fan failure, high ambient temperature. | Clean heatsink, ensure adequate cabinet ventilation, verify fan operation, allow unit to cool down. |
| OH4 | Motor overtemperature | Motor thermal contact / PTC thermistor triggered on terminal T1/T2. | Motor thermal overload, cooling fan failure on motor, broken PTC thermistor wire. | Check motor cooling, allow motor to cool, verify PTC wiring and terminal connections. |
| OU | Overvoltage DC bus | DC bus voltage exceeds maximum limit (> 770 V DC / 800 V DC). | Excessive regenerative energy during deceleration, deceleration time too short, braking resistor open circuit or under-dimensioned, internal brake chopper fault. | Increase deceleration time, check braking resistor connection and resistance value. If brake chopper is failing internally, return unit for repair. |
| LU | Undervoltage DC bus | DC bus voltage dropped below minimum threshold (< 430 V DC). | Mains supply voltage too low, phase failure, power line collapse during load peak, supply fuse blown. | Check mains voltage, supply fuses, and input power wiring. |
| LP | Phase failure | Phase failure detected on mains input. | One mains phase lost, severe voltage imbalance on incoming 3-phase line. | Check 3-phase supply line, fuses, and line contactor. |
| CE0 | AIF communication error | Communication interruption between inverter and automation module in AIF slot. | Module loose, defective fieldbus module, bad cable connection to master PLC. | Verify seating of AIF module, check fieldbus cable and master PLC status. |
| CE1 | CAN system bus communication error | System bus (CAN) communication fault. | CAN line interruption, missing bus termination resistors, baud rate mismatch, high bus traffic/noise. | Check CAN wiring, verify 120 ohm termination resistors at both ends of bus, and check baud rate settings. |
| EER | EEPROM error | Internal EEPROM memory read/write error during parameter access. | Corrupted non-volatile memory, internal micro-controller board component failure. | Load default factory parameters (C0002). If fault persists, return unit for repair. |
| H05 | Internal hardware fault | Internal controller board self-test or power stage monitoring failure. | Failure of internal control board component, power supply voltage rail out of tolerance. | Not field serviceable. Replace drive unit or send for professional repair. |
| NMAX | Maximum speed exceeded | Actual motor speed exceeds parameter limit C0011 by more than 10%. | Unstable velocity control loop, wrong encoder feedback settings, external mechanical overspeed. | Check motor encoder / resolver feedback parameters and speed loop tuning settings. |
| PR0 | Program error / positioning error | Fault during program execution in EP position control module. | Invalid target position, program sequence error, bad target profile command. | Check positioning program sequence and parameter settings via GDC software. |
Frequently Asked Questions
What software is used to configure the Lenze EVS9324-EP servo drive?
The drive is configured using Lenze Global Drive Control (GDC) software. Parameter settings and motion profiles can also be saved, copied, or modified using the optional Keypad XT module (EMZ9371BC).
How are parameter sets transferred to a replacement EVS9324-EP unit?
Parameter sets saved in the internal non-volatile EEPROM can be downloaded via GDC software, or copied directly using a Keypad XT plug-in module to duplicate the stored configuration into the replacement drive.
Which communication protocols are supported on this drive?
The EVS9324-EP features an onboard CAN system bus (up to 500 kbit/s). Additional protocols are supported via the AIF slot using plug-in cards such as PROFIBUS-DP (EMF2133IB), LECOM RS232/RS485 (EMF2102IB), or InterBus (EMF2113IB).
What does a solid red FAIL LED mean on the drive front panel?
A solid red LED indicates an active fault condition or controller inhibit state. If the red LED remains illuminated upon power-up without displaying a fault code, it signifies a severe internal hardware failure.
What should be done if fault OC1 persists when the motor cable is disconnected?
If fault OC1 (short circuit / overcurrent) triggers immediately even with the motor cable disconnected, the internal power stage or current sensing hardware is defective, requiring unit replacement or professional repair.
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