Lenze EVS9327-ES 13462447 9300 Servo Inverter 11 kW
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Product Information
The Lenze EVS9327-ES (part number 13462447) is an 11 kW digital servo inverter from the Lenze 9300 Servo family, engineered for speed, torque, and position control in automated industrial machinery. Operating on a 3-phase AC supply range from 320 V to 528 V AC with a rated mains input current of 24 A, this drive utilizes field-oriented vector control for both AC synchronous and AC asynchronous servo motors. The inverter provides a continuous output current of 23.5 A and a peak output capacity of 35.3 A, making it suitable for multi-axis synchronization and electronic gearing applications. Designed with an internal power dissipation rating of 320 W and selectable switching frequencies of 8 kHz or 16 kHz, it delivers steady performance across demanding operating cycles.
Integrating a replacement EVS9327-ES unit requires matching control I/O, feedback interfaces, and optional fieldbus modules. Feedback interface X7 features a 9-pin Sub-D connector for resolver feedback, while interface X8 uses a 15-pin Sub-D connection for incremental or absolute encoders. Control connectivity includes 8 digital inputs, 4 digital outputs, 2 analog inputs, and 2 analog outputs. The drive is equipped with onboard EEPROM memory storing up to four complete parameter sets, facilitating commissioning and dataset transfers during replacement. Configuration is executed via Lenze Global Drive Control (GDC) PC software or the optional EMZ9371BC operating keypad module. Parameter extraction from donor units or existing backup files with assistance from ABC Industrial Parts helps ensure that motor parameters and bus configurations match original operational settings.
Operational monitoring and fault identification on the EVS9327-ES are handled via front-panel status LEDs, keypad parameter displays, and software diagnostics. A green DRIVE READY LED indicates power supply state and controller enable status, while a red DRIVE FAULT / TRIP LED signals warnings or active TRIP fault conditions. Detailed trip codes, such as OC1 overcurrent, OU DC bus overvoltage, or Sd1 resolver signals faults, are logged in a non-volatile fault history memory register. Initial troubleshooting should verify line supply voltages, motor winding insulation, and feedback cable shielding. Unresolvable hardware failures or internal board faults like code H05 indicate unserviceable damage, where replacing the inverter through ABC Industrial Parts provides an effective solution to restore production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 13462447 |
| Model/Type | EVS9327-ES |
| Product Family | 9300 Servo |
| Component Type | Servo Inverter |
| Rated Power | 11 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Mains Input Current | 24 A |
| Continuous Output Current | 23.5 A |
| Peak Output Current | 35.3 A |
| Power Dissipation | 320 W |
| Control Method | Field-oriented vector control |
| Switching Frequency | 8 / 16 kHz |
| Digital Inputs | 8 |
| Digital Outputs | 4 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
| Onboard Fieldbus | CAN system bus (500 kbit/s) |
Programming and Configuration
Commissioning and parameter setup for the Lenze 9300 Servo EVS9327-ES are performed using Lenze Global Drive Control (GDC) PC software or the optional EMZ9371BC plug-in operating keypad module. GDC software allows technicians to adjust motor parameters, tune closed-loop vector control loops, assign digital and analog I/O, and configure switching frequencies between 8 kHz and 16 kHz.
The EVS9327-ES contains onboard non-volatile EEPROM memory capable of storing up to four complete parameter sets. This capability allows multiple machine operating profiles or factory baseline settings to be saved directly on the unit. When commissioning a spare drive, transferring the active parameter set using GDC software or the EMZ9371BC keypad module replicates exact drive behavior without manual recalibration.
Communication and System Integration
System bus communication on the EVS9327-ES is anchored by an onboard CAN system bus operating at transmission speeds up to 500 kbit/s. This bus handles real-time inter-drive networking, electronic gearing, and multi-axis speed and position synchronization across automated production lines.
For integration into broader PLC architectures, the inverter includes a plug-in Application Interface (AIF) slot. This interface accepts optional communication modules, including the EMF2133IB PROFIBUS-DP module, EMF2175IB CANopen module, EMF2102IB LECOM module, and EMF2113IB INTERBUS module, allowing direct compatibility with various fieldbus protocols.
Diagnostics and Status Indication
Diagnostic monitoring on the Lenze EVS9327-ES is provided through front-panel LEDs, keypad display registers, and GDC software diagnostics. The drive records active fault codes into an internal non-volatile fault history memory register to assist with troubleshooting and maintenance analysis.
Visual operational feedback is provided by two primary status indicators on the front panel. The green DRIVE READY LED signals overall control supply status and drive readiness, while the red DRIVE FAULT / TRIP LED alerts operators to active trip conditions or system warnings.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid / Flashing / Off | Solid green indicates drive operational / controller enabled. Flashing green indicates drive initialized / ready for operation. Off indicates power off or internal control supply fault requiring hardware inspection/repair. |
| DRIVE FAULT / TRIP | Red - Solid / Flashing | Solid red indicates TRIP active / drive fault status. Flashing red indicates warning condition present. |
Replacement and Spare Part Considerations
When replacing an EVS9327-ES servo inverter, confirm that the mains supply voltage (320 to 528 V AC) and output current ratings (23.5 A continuous, 35.3 A peak) match the requirements of the motor axis. Physical installation requires verifying that all mounting dimensions and heatsink clearances match the enclosure layout.
Prior to putting a replacement drive into service, parameter configuration must be restored from an external backup via Global Drive Control (GDC) software or copied from an EMZ9371BC operating keypad. Any installed AIF communication card, such as a PROFIBUS or CANopen option module, must be transferred to the replacement unit's interface slot and verified for proper seating.
Feedback cables must be connected to the corresponding terminal sockets, with 9-pin Sub-D resolver cables connected to X7 and 15-pin Sub-D encoder connections attached to X8. If internal hardware trips like H05 occur or power output transistors fail, replacing the inverter is necessary to return the production line to operational status.
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 / Earth Fault | Short circuit or ground fault detected on motor output phase. | Short circuit in motor cable, motor winding fault, or power transistor short circuit. | Check motor cable and motor windings for insulation fault. If clear and error persists with motor disconnected, internal power stage failure occurred — unit requires repair or replacement. |
| OC2 | Earth Fault | Ground fault detected on output phase. | Insulation damage on motor lead or motor phase to ground. | Inspect motor lead insulation and ground integrity. |
| OC5 | Ixt Overload | Continuous current overload threshold exceeded over time. | Drive oversized for load or mechanical jam/blockage on motor axis. | Check mechanical load, duty cycle, and motor sizing parameters. |
| OU | Overvoltage DC Bus | DC bus intermediate circuit voltage exceeds high limit. | Excessive regenerative energy during deceleration or brake resistor disconnected/defective. | Increase deceleration ramp time or check external brake chopper resistor. |
| LU | Undervoltage DC Bus | DC bus intermediate circuit voltage dropped below low threshold. | Mains supply phase failure, low mains supply voltage, or input power drop. | Check line supply voltage and input fuses/contactors. |
| OH | Heatsink Overheating | Inverter heatsink temperature exceeded upper limit. | Blocked cooling fan, dirty heatsink, or inadequate cabinet ventilation. | Clean heatsink, inspect internal fan operation, check ambient cabinet cooling. |
| OH4 | Motor Temperature Fault | Motor temperature sensor trip. | Motor thermal sensor (PTC/KTY) activated due to motor overheating. | Allow motor to cool down, check motor load and cooling fan. |
| OH7 | Motor I2t Overload | Calculated motor I2t thermal load threshold exceeded. | Motor run continuously at high load / low speed. | Check motor current rating settings and operating profile. |
| OH8 | Inside Temperature Overheating | Internal air temperature inside inverter housing too high. | Ambient temperature too high or internal ventilation blocked. | Improve cooling inside control cabinet. |
| CE0 | Communication Fault AIF | Communication interruption between inverter and plug-in AIF module. | Loose module connection or defective communication option card. | Check module seating, wiring, and interface module integrity. |
| CE1 | System Bus CAN Fault | Communication failure on on-board CAN system bus. | Bus wiring fault, missing bus termination resistor, or baud rate mismatch. | Verify CAN wiring, termination resistors (120 Ohm), and node ID settings. |
| EER | EEPROM Memory Error | Non-volatile memory access error or checksum failure during boot/write. | Internal EEPROM component failure or corrupted parameter data. | Perform factory default reset. If error persists, internal control board failure — unit requires service/repair. |
| H05 | Internal Hardware Fault | Internal board error / system processor failure. | Control board hardware malfunction. | Internal hardware failure — return unit for repair or replace component. |
| Sd1 | Resolver Fault | Resolver signal loss or tracking error on interface X7. | Resolver cable disconnected, damaged shield, or defective resolver. | Check feedback cable connections, shielding, and resolver coil resistance. |
| Sd2 | Encoder Fault | Incremental or absolute encoder signal fault on input X8. | Encoder cable defect, noise interference, or encoder failure. | Inspect encoder wiring, shield connection, and supply voltage. |
| NMAX | Maximum Speed Exceeded | Actual motor speed exceeded configured maximum limit. | Incorrect speed controller tuning or external mechanical overspeed drive. | Check speed controller parameters and mechanical load. |
| PR0 | Program Sequence Error | Internal firmware processing error or illegal instruction. | Firmware corruption or internal control error. | Reload parameters or update firmware. If issue persists, hardware requires repair. |
Frequently Asked Questions
What software is used to commission the Lenze EVS9327-ES servo inverter?
Commissioning and parameter adjustments are performed using Lenze Global Drive Control (GDC) PC software or directly via the optional EMZ9371BC plug-in operating keypad module.
How are parameter settings transferred to a spare EVS9327-ES drive?
Parameter sets stored in the internal non-volatile EEPROM can be backed up and reloaded using Lenze GDC software, or transferred directly using the pluggable EMZ9371BC keypad module.
Which communication modules fit the EVS9327-ES Application Interface slot?
The AIF slot accepts optional communication modules, including the EMF2133IB PROFIBUS-DP, EMF2175IB CANopen, EMF2102IB LECOM, and EMF2113IB INTERBUS interfaces.
What motor feedback devices are compatible with the EVS9327-ES?
The inverter features a 9-pin Sub-D resolver input at interface X7 and a 15-pin Sub-D input/output at interface X8 supporting incremental and absolute encoders.
What does error code OC1 indicate on the EVS9327-ES?
Error code OC1 indicates a short circuit or ground fault on the motor output phases, caused by motor wiring defects, winding insulation faults, or internal power transistor failure.
What do the front-panel status LEDs indicate during normal operation?
During normal operation, the green DRIVE READY LED remains solid green when the controller is enabled or flashes green when initialized and ready, while the red DRIVE FAULT / TRIP LED stays off.
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