Lenze EVS9332-EK 9300 Servo Cam Profiler Controller 75 kW
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Product Information
The Lenze EVS9332-EK is a 75 kW servo controller from the 9300 Servo family, specifically configured as a 9300 Servo Cam Profiler. Operating from a 3-phase AC supply voltage between 320 V AC and 528 V AC, this IP20 panel-mounted unit provides a rated continuous output current of 145 A at an 8 kHz switching frequency, with a peak output current capacity of 217.5 A for up to 60 seconds. The drive replaces complex mechanical cams with flexible, programmable electronic cam curves, delivering dynamic motion control across high-power industrial machinery such as packaging equipment, flying shears, printing systems, and automated transfer lines.
Interfacing with host systems is supported by 8 digital inputs, 4 digital outputs, 2 analog inputs, and 2 analog outputs, along with onboard resolver feedback evaluation and dual RS-422 master frequency encoder ports supporting up to 500 kHz. Communication across drive groups is handled via the integrated CANbus system bus, while a modular Automation Interface (AIF) slot accommodates optional fieldbus communication modules including PROFIBUS-DP, InterBus, and LECOM. Commissioning a replacement unit requires restoring the parameter setup and loading electronic cam profile data using Lenze Global Drive Control (GDC) or Cam Designer software, or by transferring saved parameter sets using a plug-in EMZ9371BC Keypad XT module. Support from ABC Industrial Parts can assist maintenance teams in sourcing tested spares and verifying configuration readiness prior to installation.
System status and operating conditions are indicated on the front panel by three status LEDs, where green indicates drive readiness or setup mode, yellow shows power stage pulse inhibition, and red signals a TRIP fault state. When a TRIP condition occurs, diagnostic codes such as overvoltage (OU), undervoltage (LU), phase failure (LP1), resolver signal fault (P12), or cam profile calculation error (PR0) can be read via the keypad module or GDC software window. Unrecoverable hardware errors like H05 or persistent EEPROM faults (EER) indicate internal control board damage that cannot be serviced in the field. In these instances, swapping the unit with a tested replacement or utilizing professional repair services from ABC Industrial Parts ensures minimum line downtime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9332-EK |
| Model / Type | 9300 Servo Cam Profiler |
| Product Family | 9300 Servo |
| Component Type | Servo Controller |
| Rated Power Output | 75 kW |
| Supply Voltage Range | 320 V AC - 528 V AC (3-phase) |
| Rated Continuous Current | 145 A |
| Maximum Peak Output Current | 217.5 A |
| Switching Frequency | 8 kHz |
| Enclosure Rating | IP20 |
| Digital Inputs | 8 |
| Digital Outputs | 4 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
| Integrated Bus Interface | CANbus / Lenze System Bus |
| Master Frequency Interface | 500 kHz |
| Feedback Evaluation | Onboard Resolver |
Programming and Configuration
The Lenze EVS9332-EK utilizes Lenze Global Drive Control (GDC) software and Lenze Cam Designer software for comprehensive parameter setup, axis tuning, and motion profile construction. Drive parameters can be organized across four independent parameter sets, allowing versatile operational configurations within a single controller. Non-volatile internal memory retains user settings, while electronic cam profile tables constructed in Cam Designer are uploaded directly into memory to replace traditional mechanical cam mechanisms.
For local parameter transfer and commissioning without a PC, the unit supports the plug-in EMZ9371BC Keypad XT module. This display module allows maintenance personnel to navigate parameter menus, adjust operational limits, and copy complete configuration files from one servo controller to another. When replacing an active unit, parameter settings and custom cam curve tables must be saved from the existing controller or software project and transferred to the replacement unit to ensure identical motion trajectory execution.
Communication and System Integration
Network communication on the EVS9332-EK is anchored by an onboard CANbus system bus interface, facilitating fast inter-axis synchronization and data exchange across multi-axis drive installations. In addition, the controller features dual RS-422 master frequency encoder ports operating at up to 500 kHz, allowing master-slave motion linking and synchronized speed or position matching across production equipment.
Broader plant network integration is provided via an Automation Interface (AIF) slot located on the drive front panel. This expansion slot accepts modular fieldbus communication options, including 2131IB or 2133IB PROFIBUS-DP modules, 2175IB or 2176IB InterBus modules, and 2102IB, 2111IB, or 2112IB LECOM serial interface modules. Proper system integration requires configuring fieldbus node addresses, bus termination, and matching baud rate settings to maintain stable communication with the master PLC.
Diagnostics and Status Indication
The EVS9332-EK features three front panel LED indicators that provide immediate visual feedback regarding drive status. Additional diagnostic depth is available through the TRIP relay output contact, the fault history queue accessible on the EMZ9371BC Keypad XT display, and real-time monitoring windows within the Lenze Global Drive Control (GDC) software interface.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid / Flashing | On: Drive operational, ready for operation. Blinking: System starting up or configuration mode. |
| TRIP / FAULT | Red - Solid | On: Active fault condition (TRIP status). Indicates an error trip requiring reset. If permanently on despite reset, factory repair is required. |
| IMP / Pulse Inhibit | Yellow - Solid | On: Power stage pulses inhibited (drive output disabled). |
Replacement and Spare Part Considerations
When replacing a Lenze EVS9332-EK servo controller, exact match of the part number, model type, and power rating is crucial. The EVS9332-EK is rated for 75 kW output and requires a 3-phase AC power input between 320 V AC and 528 V AC. The physical IP20 housing must be installed in an appropriate control cabinet with adequate cooling to dissipate thermal losses during high-load operations.
Replacing the hardware alone is insufficient to resume production. The replacement controller must be configured with the specific parameter sets and electronic cam tables matching the original machine setup. If the original unit is accessible, parameters can be backed up using Lenze GDC software or transferred via the EMZ9371BC Keypad XT module. Any installed AIF communication module (such as PROFIBUS-DP or InterBus) must be transferred from the old unit or fitted to the replacement drive with identical address settings.
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 at the output terminals or excess motor phase current. | Short circuit in motor cable, winding contact, or power transistor fault. | Check motor wiring and insulation, test motor phase resistance. If fault remains when disconnected from motor, return unit for repair. |
| OC2 | Earth fault | Ground fault detected on motor phase outputs. | Ground contact in output motor cable or motor winding. | Check motor cable and motor windings for short to protective earth ground. |
| OC5 | I x t overload | Controller thermal overload due to excessive current over time. | Mechanical overload, undersized motor/drive, continuous operation above rated current. | Reduce mechanical load, increase ramp times, verify drive power rating matches application. |
| OU | Overvoltage DC bus | DC bus voltage exceeded upper limit (>770 V DC). | Excessive regenerative energy during deceleration, brake chopper or braking resistor faulty/missing. | Extend deceleration time, check braking chopper module and external braking resistor. |
| LU | Undervoltage DC bus | DC bus voltage dropped below lower limit (<430 V DC). | Mains supply failure, supply line voltage too low, blown input line fuses. | Verify 3-phase mains voltage, check mains supply fuses and wiring. |
| OH | Heatsink overtemperature | Heat sink temperature exceeded maximum threshold (>85°C / 90°C). | Inadequate control cabinet cooling, fan failure, dirty heatsink fins, ambient temperature too high. | Clean heatsink cooling fins, check internal cabinet ventilation and fan operation. |
| OH4 | Motor thermal overload | Motor overtemperature detected via PTC sensor. | Motor thermal overload, insufficient cooling fan on motor, defective PTC circuit. | Allow motor to cool down, inspect motor load and separate cooling fan. |
| OH7 | Motor KTY overtemperature | Motor temperature measured by KTY sensor exceeds set limit. | Motor thermal overload or incorrect temperature threshold setting. | Allow motor to cool, verify KTY sensor parameter settings. |
| OH8 | Inside temperature high | Internal cabinet / enclosure ambient temperature inside controller too high. | Excessive enclosure temperature inside drive housing. | Improve cooling inside the control cabinet. |
| CE0 | CANbus communication error | Communication failure on integrated CAN system bus. | Bus line interruption, incorrect baud rate, missing bus termination resistor, noise interference. | Check CANbus wiring, shielding, baud rate settings, and 120 ohm line termination. |
| CE1 | AIF communication fault | Communication monitoring error on Automation Interface slot module. | Loose module, fieldbus connection break, master PLC timeout. | Inspect AIF module mounting and fieldbus cable connection. |
| NMAX | Speed threshold exceeded | Motor speed exceeded max speed parameter limit. | Speed loop instability, runaway motor load, incorrect encoder feedback scaling. | Check speed controller tuning parameters and encoder feedback wiring. |
| H05 | Internal hardware error | Unrecoverable internal hardware or control board failure. | Internal circuit defect or component fault. | Internal hardware failure — non-field-serviceable. Replace unit or return for repair. |
| EER | EEPROM memory error | Data corruption or fault in internal non-volatile EEPROM memory. | EEPROM read/write failure during parameter saving. | Reload factory default parameters. If error persists, internal memory failure requires unit repair. |
| LP1 | Phase failure mains input | Mains supply phase imbalance or failure of one input phase. | Blown input fuse, loose power supply phase conductor, severe voltage asymmetry. | Check input supply lines L1, L2, L3 and line fuses under load. |
| P12 | Resolver signal fault | Loss or corruption of resolver position feedback signal. | Defective resolver cable, loose connector at X7, bad resolver sensor in motor. | Check resolver feedback cable shielding, connector seating at X7, and motor resolver winding resistance. |
| P18 | Following error / position lag fault | Position tracking error exceeded set tolerance window. | Mechanical jam, insufficient torque, aggressive motion profile, loose coupling. | Check mechanical axis for binding, verify motor size and drive position loop gains. |
| PR0 | Cam profile calculation error | Invalid parameterization or execution error in electronic cam profile data. | Inconsistent curve data points, zero interpolation length, or corrupted cam profile. | Verify and reload electronic cam profile tables using Lenze Cam Designer software. |
Frequently Asked Questions
What engineering software is required to configure the Lenze EVS9332-EK?
Configuration, parameter adjustment, and motor tuning are managed using Lenze Global Drive Control (GDC) software, while electronic cam curves are created and uploaded using Lenze Cam Designer software.
How are parameter settings transferred when replacing an EVS9332-EK drive?
Parameter sets can be saved and transferred using Lenze GDC PC software, or copied directly without a PC using the plug-in Lenze EMZ9371BC Keypad XT module.
What fieldbus networks does the EVS9332-EK support?
In addition to the built-in CANbus system bus, the drive supports PROFIBUS-DP, InterBus, and LECOM interfaces via optional plug-in Automation Interface (AIF) modules.
What does a red TRIP / FAULT LED indicate on the front panel?
A solid red TRIP LED indicates an active fault trip condition that has disabled the drive output. The cause can be determined via the keypad display fault queue or GDC software, and must be reset before normal operation can resume.
What action should be taken if the drive displays fault code H05?
Fault code H05 indicates an unrecoverable internal hardware or control board failure. This condition cannot be repaired in the field and requires unit replacement or professional repair.
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