Lenze EVS9324-EK 9300 Servo Cam Profiler Controller
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Product Information
The Lenze EVS9324-EK is a 5.5 kW panel-mount servo controller in the 9300 Servo series, engineered specifically for electronic cam profiler applications in high-speed machinery. Operating across a 3-phase supply voltage range of 320 to 528 V AC, this IP20-rated unit provides a continuous output current of 13 A with a peak capability of 19.5 A to handle demanding torque demands. By executing software-configurable motion profiles directly within the drive firmware, the unit replaces mechanical cam discs and linkages in packaging, material handling, textile, printing, and automotive equipment.
Field integration relies on a Sub-D 9-pin resolver feedback connection along with a secondary Sub-D input for master incremental or TTL encoder signals, enabling multi-axis synchronization and electronic shaft functions. The front interface features an Automation Interface Slot (AIF) alongside an integrated CAN system bus operating up to 500 kbit/s for high-speed master-slave coordination. Replacing a unit requires maintaining the exact -EK software variant designation to keep the electronic cam algorithm intact. Commissioning a replacement unit involves transferring parameter sets and cam curves using Lenze Global Drive Control (GDC) software or swapping the pluggable EMZ9371BC Keypad XT operating module, with parameter extraction and data backup support available from ABC Industrial Parts.
System diagnostic state is monitored via three front-panel status LEDs indicating TRIP, Operation, and Warning conditions, as well as diagnostic view codes C0161 through C0170 accessed through the keypad or fieldbus network. When commissioning or troubleshooting the installation, primary inspection steps should verify incoming 3-phase power on terminals L1, L2, and L3, confirm resolver wiring at terminal X7, and ensure proper 120-ohm bus termination on the CAN network. Hardware faults such as internal EEPROM memory checksum failures (EER) or control circuit breakdowns (H05) cannot be repaired in the field, making a tested replacement drive from ABC Industrial Parts the quickest solution to resume production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9324-EK |
| Model / Type | 9300 Servo Cam Profiler |
| Component Type | Servo Controller |
| Rated Power Output | 5.5 kW |
| Continuous Output Current | 13 A |
| Maximum Output Current | 19.5 A |
| Supply Voltage Range | 320 - 528 V AC |
| Output Voltage | 400 V AC |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Protection Rating | IP20 |
| Digital Inputs | 4 |
| Digital Outputs | 2 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
| Integrated System Bus | CANbus / CANopen |
Programming and Configuration
Parameter setting and motion trajectory configuration for the Lenze EVS9324-EK are carried out using Lenze Global Drive Control (GDC) software. GDC provides tools for defining electronic cam profiles, configuring scaling ratios, setting speed controller gains, and uploading custom motion curves. Parameter management can also be handled directly at the drive using the pluggable EMZ9371BC Keypad XT operating module.
The EMZ9371BC Keypad XT features non-volatile memory capable of storing complete drive parameter sets. This enables rapid, computer-free transfer of parameters directly from an existing unit to a spare drive during maintenance replacements. Preserving the exact -EK software suffix on replacement controllers ensures full compatibility with stored cam profiles and internal profiling algorithms.
Communication and System Integration
The Lenze EVS9324-EK features an integrated CAN system bus interface supporting CANbus and CANopen protocols at speeds up to 500 kbit/s. This system bus provides real-time peer-to-peer data exchange between multiple drives, allowing precise axis synchronization, electronic shaft tracking, and master-slave command distribution across automated machine networks.
For integration into broader industrial fieldbus networks, the drive includes a front-panel Automation Interface Slot (AIF). This slot accepts optional communication modules, including the EMF2133IB PROFIBUS-DP card and the EMF2102IBCV001 LECOM-B RS485 module. Feedback connections consist of a Sub-D 9-pin resolver socket alongside a master encoder input accepting incremental or TTL signals.
Diagnostics and Status Indication
Operational status and fault conditions on the Lenze EVS9324-EK are displayed via three front-panel LEDs: Red (TRIP), Green (Operation), and Yellow (Warning). These indicators provide instant visual feedback regarding drive enable status, operating threshold warnings, and system fault trips.
Detailed troubleshooting is supported through internal diagnostic parameters C0161 to C0170, accessible via the EMZ9371BC Keypad XT or connected fieldbus networks. Additionally, Lenze Global Drive Control (GDC) software offers a real-time diagnostic buffer for viewing operational history, drive variables, and active error codes.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| TRIP | Red - Solid/Flashing | Drive fault trip or emergency shutdown state |
| Operation | Green - Solid/Flashing | Drive enabled and operational status |
| Warning | Yellow - Solid/Flashing | Operational warning or current limit reached |
Replacement and Spare Part Considerations
When replacing a Lenze EVS9324-EK servo controller, verifying the complete part number including the -EK suffix is critical. The -EK designation indicates the factory-installed electronic cam profiling software variant, which executes specialized motion profiles. Standard 9300 series drives lacking the -EK suffix will not support these electronic cam functions without re-engineering.
Commissioning a replacement unit requires transferring saved parameters and cam curves. This can be accomplished by moving the EMZ9371BC Keypad XT module from the old unit to the replacement drive and transferring parameters via the keypad menu, or by downloading the saved project file using Lenze Global Drive Control (GDC) software.
Ensure all physical interface modules, such as the EMF2133IB PROFIBUS-DP or EMF2102IBCV001 LECOM-B card, are firmly seated in the AIF slot of the new drive. Check that terminating 120-ohm resistors are in place on the CANbus lines to prevent communication trips upon power-up.
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 or excessive overload current detected on output motor terminals | Short circuit in motor cable; motor winding fault; acceleration time set too short; earth fault | Check motor cable for short circuit or ground fault; check motor insulation; increase acceleration ramp time |
| OC2 | Earth fault / Overcurrent during acceleration | Ground fault or peak current exceeded during acceleration phase | Short to earth in motor or cable; acceleration profile too aggressive | Check motor wiring and insulation to earth; adjust cam/motion profile dynamics |
| OU | Overvoltage DC Bus | DC bus voltage exceeds upper threshold limit | Excessive regenerative energy during deceleration; braking resistor disconnected or defect; deceleration ramp too steep | Check braking resistor connection and resistance value; check deceleration profile; verify mains voltage level |
| LU | Undervoltage DC Bus | DC bus voltage dropped below minimum operating limit | Mains supply voltage too low; main supply phase failure; power line failure | Check mains voltage and supply line fuse; verify power input terminals |
| OH | Heatsink Overheating | Heatsink temperature exceeds maximum allowable threshold | Insufficient cooling airflow; ambient temperature too high; cabinet fan defective; heatsink dirty | Clean heatsink cooling fins; check cabinet ventilation and fan function; lower ambient temperature |
| OH3 | Motor Overheating (PTC/Thermal Sensor) | Motor temperature sensor opened or detected overtemperature | Motor overload; cooling fan on motor defective; thermal sensor wire broken | Allow motor to cool down; check motor loading; verify thermal sensor connection at T1/T2 terminals |
| OH4 | Drive Overload (I x t) | Continuous thermal overload limit of controller reached | Drive operated above rated continuous current for too long | Reduce mechanical load or cycle duty; check machine for mechanical binding |
| CE0 | CANbus Communication Error | Communication fault on integrated CAN / System Bus | Bus line interrupted; wrong bus termination resistors; incorrect baud rate setting; bus overload | Check CAN wiring, shield, and terminating 120 ohm resistors; verify node addresses and baud rates |
| CE1 | AIF Communication Error | Communication fault between controller and AIF module in interface slot | AIF module missing, improperly inserted, or defective; fieldbus master stopped | Check mechanical seat of AIF module; check fieldbus cabling and master status |
| EER | EEPROM Memory Error | Checksum fault or corruption in non-volatile memory | Internal EEPROM checksum error caused by supply interruption during parameter save or hardware failure | Reload factory default settings and re-download configuration; if error persists, internal hardware failure — return unit for repair |
| H05 | Internal Hardware Fault | Internal control board or power section failure | Internal circuit defect or component breakdown | Internal hardware failure — replace unit or send to authorized repair center |
| Sd3 | Resolver Fault | Loss of resolver feedback signal or signal out of tolerance | Resolver cable disconnected or damaged; resolver coil defect; shielding/noise issue | Check resolver cable and connectors on X7; verify resolver wiring and shield grounding |
| NMAX | Speed Limit Exceeded | Actual motor speed exceeded maximum configured speed parameter | Uncontrolled load acceleration; incorrect feedback scaling or tuning parameters | Check speed controller gains and feedback setup; check overhauling mechanical load |
| LP1 | Mains Phase Failure | One of the incoming AC mains power phases is missing | Blown mains fuse; loose power wire connection; unbalanced supply voltage | Check line fuses and incoming 3-phase mains voltage at terminals L1, L2, L3 |
Frequently Asked Questions
What software is used to configure the Lenze EVS9324-EK?
The Lenze EVS9324-EK is configured using Lenze Global Drive Control (GDC) software or directly via the pluggable EMZ9371BC Keypad XT operating module.
Why is the -EK suffix important when ordering a replacement drive?
The -EK suffix designates the Servo Cam Profiler software variant, which contains integrated firmware for executing electronic cam profiles. A standard 9300 servo drive without this suffix will not run electronic cam profiles.
How can parameter configurations be transferred to a spare unit?
Parameters and cam curves can be saved to an EMZ9371BC Keypad XT operating module and transferred directly to the spare drive, or restored from a saved project backup using Lenze Global Drive Control (GDC) software.
What fieldbus communication options are supported by this controller?
The unit features an integrated CAN system bus (CANbus / CANopen) operating up to 500 kbit/s. Optional fieldbus modules like the EMF2133IB PROFIBUS-DP or EMF2102IBCV001 LECOM-B RS485 module can be installed in the front Automation Interface Slot (AIF).
What does an EER fault code indicate on the drive display?
An EER code indicates an EEPROM memory checksum error. Try reloading factory defaults and re-downloading the configuration; if the fault persists, it indicates an internal hardware failure requiring repair or replacement.
What power supply voltage is required for the Lenze EVS9324-EK?
The drive operates on a 3-phase AC mains supply ranging from 320 V AC to 528 V AC, delivering a rated output power of 5.5 kW at 400 V AC.
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Data backup and recovery
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Specific firmware and hardware versions
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