Lenze EVS9330-EK 9300 Servo Cam Profiler Drive
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Product Information
The Lenze EVS9330-EK is a 45 kW servo controller from the 9300 Servo family, engineered as a dedicated Servo Cam Profiler drive. Operating on a nominal 3-phase supply voltage of 400 V AC across an operating range of 320 to 528 V AC, the unit delivers an 89 A continuous output current and up to 133.5 A peak current for 60 seconds (150% peak overload capacity). Designed for panel installation with an IP20 protection rating, the controller supports maximum output frequencies up to 480 Hz with a nominal switching frequency of 8 kHz to drive dynamic servo motor applications.
Network integration and inter-drive coordination rely on an integrated CAN 2.0B system bus operating at speeds up to 500 kbit/s, alongside a modular Automation Interface (AIF) slot that accepts optional fieldbus cards such as PROFIBUS (EMF2131IB) or CANopen (EMF2171IB). Dedicated connections include connector X7 for resolver feedback and connector X8 for master frequency input and output supporting signals up to 500 kHz. Commissioning a replacement unit requires restoring configuration data and cam profile tables using Lenze Global Drive Control (GDC) software, the Lenze Cam Designer tool, or an EMZ9371BC Keypad XT module. Non-volatile EEPROM memory holds up to 4 complete parameter sets to facilitate setup, and ABC Industrial Parts can assist with parameter transfer and spare unit preparation.
Comprehensive diagnostic tools allow maintenance personnel to quickly evaluate operational status using front panel LEDs, including a Red TRIP LED for active faults, a Green Ready/Operation LED for drive enable state, and a Yellow Warning/Lock LED for active warnings or safe stop states. Internal memory retains a diagnostic history log of the last 8 fault events, accessible via keypad, GDC online software, or system bus status word interrogation. Initial field troubleshooting for power faults like LU, OU, or SPO should verify AC line inputs and DC bus levels, while resolver faults (Sd) require checking connections at terminal X7. Internal control board failures, such as code H05 or unrecoverable EER errors, are non-field-serviceable and require tested replacement or repair from ABC Industrial Parts.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9330-EK |
| Model / Type | Servo Cam Profiler Drive |
| Product Family | 9300 Servo |
| Series | 9300 |
| Rated Power | 45 kW |
| Nominal Supply Voltage | 400 V AC |
| Supply Voltage Range | 320 to 528 V AC |
| Continuous Output Current | 89 A |
| Peak Output Current | 133.5 A (150% for 60 s) |
| Output Voltage | 400 V AC |
| Maximum Output Frequency | 480 Hz |
| Nominal Switching Frequency | 8 kHz |
| Protection Rating | IP20 |
| Integrated System Bus | CAN 2.0B (500 kbit/s) |
Programming and Configuration
The Lenze EVS9330-EK is configured using Lenze Global Drive Control (GDC) software alongside the Lenze Cam Designer tool. GDC provides parameter adjustments, online system monitoring, and backup routines, while the Cam Designer software is used to construct custom motion profiles and electronic cam tables for master-slave synchronization.
Internal non-volatile EEPROM memory stores up to 4 complete parameter sets directly on the controller, enabling quick swapping between different machine operational recipes. Local parameter edits and status monitoring can also be executed directly at the drive using the optional EMZ9371BC Keypad XT operating module.
Communication and System Integration
Inter-drive synchronization and system communication are handled natively by the built-in CAN 2.0B system bus, operating at speeds up to 500 kbit/s. This interface enables real-time motion data exchange, master-slave axis coordination, and direct network status interrogation.
To interface with higher-level plant automation networks, the EVS9330-EK contains a modular Automation Interface (AIF) slot. This slot accommodates plug-in communication modules, including the EMF2131IB module for PROFIBUS DP and the EMF2171IB module for CANopen, as well as DeviceNet and Interbus cards. Connector X8 provides master frequency input and output supporting up to 500 kHz for encoder signal pass-through.
Diagnostics and Status Indication
The controller provides visual diagnostics via three status LEDs located on the front panel. Operating states and active fault conditions can be rapidly identified without connecting software, assisting technicians during routine checks or unscheduled downtime.
Detailed diagnostics are accessible through the EMZ9371BC Keypad status menu or online via Lenze Global Drive Control software. The drive records the last 8 fault events in an internal diagnostic history log, and system status words can be queried over the CAN system bus or fieldbus interface.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED (TRIP) | Red - Solid | Active controller fault (TRIP event); drive is disabled |
| Green LED (Ready / Operation) | Green - Solid / Flashing | Solid when controller is enabled and operating normally; flashing when ready or controller inhibited |
| Yellow LED (Warning / Lock) | Yellow - Solid / Flashing | Active warning, phase lock engaged, or safe stop active |
Replacement and Spare Part Considerations
When replacing an EVS9330-EK servo controller, ensure that the power rating (45 kW / 89 A) and the EK suffix (Cam Profiler) match the original unit. A replacement unit will not execute cam profiling functions automatically upon power-up until the active parameter set and electronic cam profile tables are loaded into non-volatile memory.
Before applying power to the replacement drive, transfer any plug-in AIF modules (such as PROFIBUS or CANopen cards) from the original unit and verify that all lock screws are secured. Ensure that terminal X10 motor thermistor connections and resolver feedback lines at connector X7 are securely installed to prevent false trip indications.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| LU | Undervoltage DC Bus | DC bus voltage dropped below minimum threshold limit (< 435 V DC). | Mains supply failure, supply voltage drop, phase loss, or pre-charge circuit fault. | Check mains AC supply voltage, input line fuses, and wiring connections. |
| OU | Overvoltage DC Bus | DC bus voltage exceeded maximum allowable safety threshold (> 770 V AC equivalent / ~800 V DC). | Excessive regenerative energy during deceleration, brake chopper damaged, brake resistor disconnected, or resistor value too high. | Increase deceleration ramp times, check external brake resistor, verify brake chopper operation. |
| OC1 | Short Circuit / Overcurrent | Instantaneous motor current exceeded peak hardware limit during acceleration. | Short circuit in motor cable, phase-to-ground fault, motor shorted, or acceleration ramp too steep. | Inspect motor cables and insulation, check motor windings for short circuit, increase acceleration time. If trip persists with motor disconnected, internal inverter stage failure. |
| OC2 | Overcurrent during Deceleration | Peak current limit exceeded during deceleration phase. | Deceleration time too short, load inertia too high, or short circuit in motor output. | Extend deceleration time, inspect motor and cabling. |
| OC5 | I2t Drive Overload | Drive continuous overload threshold exceeded for an extended duration. | Mechanical overload, machine jammed, incorrect motor parameters, or drive undersized for dynamic cycle. | Check mechanical load for blockage or binding, verify motor parameter settings and dynamic duty cycle. |
| OH | Heatsink Overtemperature Warning/Trip | Power section heatsink temperature exceeded maximum limit (> 85°C). | Cabinet cooling fan broken, cabinet temperature too high, dirty heatsink cooling fins, or inadequate ventilation space around unit. | Clean heatsink, inspect enclosure cooling fans and air filters, verify ambient temperature is within specification. |
| OH1 | Heatsink Overtemperature Shutdown | Heatsink temperature reached critical trip limit, triggering emergency shutdown. | Extreme thermal overload or cooling fan failure. | Allow controller to cool down, replace failing cooling fans, clean heatsink fins. |
| OH3 | Motor Overtemperature (PTC / Thermistor) | Motor thermistor sensor connected to terminal X10 detected motor overtemperature. | Motor thermal overload, cooling fan on motor failed, PTC sensor damaged or open circuit. | Allow motor to cool down, inspect motor load and motor fan, check thermistor wiring. |
| OH4 | Internal Cabinet Overtemperature | Internal ambient enclosure temperature inside controller exceeded safe limit (> 70°C). | High ambient operating temperature or failure of internal circulation fans. | Improve control panel ventilation and cooling. |
| OH7 | Motor Thermal Model I2t Overload | Calculated thermal load of motor exceeded maximum value. | Motor run continuously at low speed under heavy torque without external force ventilation. | Check motor loading, install forced-cooling fan on motor if operating continuously at low RPM. |
| CE0 | Automation Interface (AIF) Communication Error | Communication interruption between controller and AIF module or keypad. | Loose plug-in module, defective module, interference/noise, or baud rate mismatch. | Re-seat communication module or keypad in AIF slot, check module mounting screws and shielding. |
| CE1 | System Bus (CAN) Time-Out Fault | Data transmission on System Bus (CAN) interrupted or timed out. | Broken CAN bus cable, missing bus termination resistor (120 Ohm), or node offline. | Check CAN wiring, shield grounding, termination resistors at both line ends, and node addresses. |
| CE2 | System Bus (CAN) Bus-Off Fault | CAN controller entered Bus-Off state due to high error counter. | Severe electrical interference on CAN lines, short circuit, incorrect baud rate setting. | Check cable routing away from power cables, verify line impedance and termination resistors. |
| CE3 | System Bus Receive Buffer Overflow | CAN receiver buffer overflowed before data was processed. | Excessive bus load or transmission frequency too high for process cycle time. | Optimize CAN message cycle time and baud rate settings. |
| CE4 | System Bus Master Transmission Error | Master process data object transmission failed. | Target node not responding on CAN network. | Check target node power and line connectivity. |
| EER | EEPROM Memory Failure | Data checksum error during EEPROM access or internal memory corruption. | Power failure during parameter save, non-volatile memory cell wear, or internal hardware error. | Re-initialize parameters to factory default. If error recurs, internal memory hardware is defective; return unit for repair. |
| H05 | Internal Hardware Error | Internal controller self-test failed on power-up. | Control board component failure or internal processor fault. | Internal hardware failure — non-field-serviceable. Return unit to manufacturer for service or replace unit. |
| NMAX | Overspeed Limit Exceeded | Motor actual speed exceeded maximum set speed threshold by > 10%. | Feedback polarity reversed, gain tuning unstable, or driving load overhauling motor. | Check feedback encoder/resolver connections and resolution settings, check speed loop controller gain tuning. |
| Sd | Resolver / Feedback System Error | Loss or corruption of motor position/speed feedback signals. | Broken resolver cable, loose connector at X7, open shield wire, or defective resolver. | Inspect feedback cable, connector X7 lock screws, shielding ground connection, and resolver stator/rotor resistance. |
| SPO | Supply Phase Failure | Phase loss detected in 3-phase AC power input supply. | Blown line fuse on one phase, loose power terminal screw, or supply grid imbalance. | Check input AC voltage across all three phases (L1, L2, L3) under load. |
| P01 | Following Error / Position Tracking Error | Position deviation between command position and actual position exceeded limit. | Mechanical blockage, insufficient drive torque, acceleration rate set too high, position loop gain too low. | Check axis mechanics for jamming, verify acceleration profile and position controller gain settings. |
| P02 | Cam Profile Calculation Error | Invalid cam profile table data or illegal interpolation point in cam profiler module. | Corrupted electronic cam profile file or improper motion profile design uploaded to memory. | Re-upload verified cam profile table generated with Lenze Cam Designer software. |
| P03 | Positive Software Limit Switch Hit | Target position exceeds configured positive software limit switch position. | Incorrect position command or wrong software limit switch limit setting. | Verify position target and software limit settings in parameter set. |
| P04 | Negative Software Limit Switch Hit | Target position exceeds configured negative software limit switch position. | Incorrect position command or wrong software limit switch limit setting. | Verify position target and software limit settings in parameter set. |
| P05 | Homing / Reference Point Error | Homing sequence failed or homing switch signal missing during home search. | Homing switch defective, switch wiring disconnected, or wrong homing mode selected. | Check homing sensor digital input signal and mechanical operation of home limit switch. |
| P06 | Touch Probe Error | Expected touch probe trigger pulse was not detected during position capture window. | Trigger sensor alignment fault, loose sensor wiring, or missed registration mark on product. | Check photo-eye / registration sensor input signal and timing window settings. |
| P12 | Synchronous Operation Fault | Master-slave angle synchronization lost during electronic cam or gear profiling. | Master frequency input missing, encoder pulse loss on master encoder, or dynamic overload. | Check master encoder input connections on connector X8 and verify master signal status. |
Frequently Asked Questions
What software tools are required to configure the Lenze EVS9330-EK?
The controller is configured using Lenze Global Drive Control (GDC) software for drive parameters and the Lenze Cam Designer tool for constructing electronic cam motion laws. Parameters can also be modified locally using the optional EMZ9371BC Keypad XT module.
How are parameter sets stored on the drive?
The EVS9330-EK contains non-volatile EEPROM memory capable of storing up to 4 complete parameter sets along with calculated cam profile tables.
What fieldbus communication options are supported?
The unit features a built-in CAN 2.0B system bus operating up to 500 kbit/s. Additional fieldbuses can be added via the Automation Interface (AIF) slot, including EMF2131IB (PROFIBUS DP), EMF2171IB (CANopen), DeviceNet, and Interbus modules.
What do the status LEDs on the front panel indicate?
A solid Red LED indicates a TRIP fault with drive disabled; a Green LED indicates normal active operation (solid) or ready/inhibited status (flashing); and a Yellow LED indicates active warnings, phase lock, or safe stop.
What steps should be taken if fault code Sd occurs?
Fault code Sd indicates a feedback system error. Inspect the resolver wiring connected to terminal X7, verify connector lock screws are tight, check shielding grounds, and test resolver winding resistance.
Can an internal hardware fault like H05 be resolved in the field?
Fault code H05 indicates an internal hardware self-test failure during power-up. This condition is non-field-serviceable and requires returning the unit for repair or swapping it for a replacement drive.
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