Lenze 00397976 EVS9325-ES 9300 Servo Inverter
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Product Information
The Lenze 00397976 (Model EVS9325-ES) is a 5.5 kW servo inverter from the 9300 Servo series designed for high-dynamic motion control in industrial machinery. Operating on a 3-phase supply range of 320 V AC to 528 V AC at 45 to 65 Hz, this unit delivers a continuous output current of 13 A at an 8 kHz switching frequency, with a peak current capacity of 19.5 A for up to 60 seconds. Utilizing field-oriented vector control across an output frequency range of 0 to 600 Hz, the drive provides precise speed, torque, and position management for both synchronous servo motors and asynchronous induction motors in applications such as multi-axis synchronization, packaging machinery, and material handling systems.
Field integration relies on dedicated feedback inputs, including a 9-pin D-sub connector for resolver interface (X7/X8), master frequency input and output channels, and terminal strip X4 for the integrated CANopen system bus supporting data rates up to 500 kbps. The drive features a modular Automation Interface (AIF) slot, which accepts plug-in fieldbus modules such as the PROFIBUS-DP card (EMF2133IB), LECOM RS-232/485 modules, Interbus, or the Keypad XT operating module (EMF2102IB). Putting a replacement unit into service requires parameter alignment and hardware configuration transfer. Internal EEPROM memory stores up to four independent parameter sets, which can be configured or backed up using Lenze Global Drive Control (GDC) software V4.0+ or a Keypad XT operating unit. ABC Industrial Parts can assist maintenance teams with spare unit preparation, parameter extraction from faulty drives, and replacement configuration.
Drive status and fault conditions are signaled visually via three front-panel LEDs for operation, active TRIP faults, and output impulse inhibition. In addition, parameter C0168 provides a structured fault history register accessible through GDC software or the Keypad XT, while terminals X5/X6 provide relay outputs for external TRIP state monitoring. Common operational faults, such as DC bus overvoltage (OU), undervoltage (LU), or overcurrent (OC1, OC2), can frequently be resolved by checking line voltage, deceleration ramps, or braking resistor connections. Persistent internal errors like self-test failure (H05) or EEPROM data corruption (EER) indicate non-field-serviceable hardware faults, making unit repair or a tested replacement drive from ABC Industrial Parts the quickest route to restoring line operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00397976 |
| Model / Type | EVS9325-ES |
| Component Type | Servo Inverter |
| Product Family | 9300 Servo |
| Rated Power | 5.5 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Input Current | 11.5 A |
| Continuous Output Current | 13 A |
| Maximum Output Current | 19.5 A (60 s) |
| Output Frequency Range | 0 - 600 Hz |
| Switching Frequency | 8 kHz |
| Power Dissipation | 200 W |
| Digital Inputs | 4 |
| Digital Outputs | 2 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
Programming and Configuration
Drive commissioning and parameter management for the Lenze 00397976 EVS9325-ES are performed using Lenze Global Drive Control (GDC) software version 4.0 or higher, or directly through the optional plug-in Keypad XT (EMF2102IB). The drive utilizes internal non-volatile EEPROM memory capable of retaining up to four complete, independent parameter sets. This multi-memory capability allows operators to switch between pre-configured operational profiles or hold dedicated backup configurations onboard.
Crucial setup parameters include feedback selection via parameter C0034, motor thermal protection levels, ramp times, and speed loop gain settings. In scenarios where parameters become corrupted or require a complete reset, factory defaults can be restored by executing parameter C0002 before transferring the machine-specific configuration file. Historical fault records and runtime diagnostic entries are systematically logged in parameter C0168 for evaluation during setup and routine maintenance.
Communication and System Integration
System-level networking on the Lenze 00397976 EVS9325-ES is provided via an integrated CANopen system bus connected through terminal strip X4. Supporting data transfer speeds up to 500 kbps, this built-in bus supports real-time multi-axis synchronization, master-slave control structures, and direct command exchange across motion controllers. Network stability requires proper installation of 120-ohm termination resistors at both ends of the CAN bus and matching baud rates across all network nodes.
For integration into broader plant networks, the drive features a modular Automation Interface (AIF) expansion slot. This interface accepts optional fieldbus cards, including the PROFIBUS-DP module (EMF2133IB), Interbus options, and LECOM RS-232/RS-485 modules. These plug-in cards allow the drive to communicate directly with higher-level PLCs and automation platforms without requiring hardware modifications to the primary inverter unit.
Diagnostics and Status Indication
Diagnostic monitoring on the EVS9325-ES combines visual panel indicators with internal parameter tracking. Three dedicated LEDs on the front panel provide immediate visual status on operation, TRIP faults, and power stage inhibition. External control system integration is supported via relay outputs on terminals X5/X6, which open or close to signal drive readiness or active fault states directly to the main PLC.
Detailed diagnostic evaluation is facilitated by parameter C0168, which records recent fault occurrences accessible through GDC software or the Keypad XT module. Additionally, automated control systems can process diagnostic telegrams transmitted over the CAN system bus to monitor drive status, fieldbus faults, or dynamic overloads during machine operation.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED (Operation / Ready) | Green - Solid / Flashing | ON = Drive operational/ready; Flashing = Controller inhibit or drive initialized |
| Red LED (TRIP / Fault) | Red - Solid / Flashing | ON or Flashing = Active TRIP state / fault detected on drive |
| Yellow LED (Impulse Inhibit) | Yellow - Solid | ON = Power stage output impulses inhibited / disabled |
Replacement and Spare Part Considerations
When swapping a damaged Lenze 00397976 servo inverter, ensure that both the part number and model designation (EVS9325-ES) match precisely. Any option module attached to the Automation Interface (AIF) slot—such as a PROFIBUS-DP card (EMF2133IB)—must be unseated and transferred to the replacement drive to preserve network node addressing and fieldbus compatibility.
A replacement inverter will not operate correctly on factory default settings in custom equipment. The existing machine parameter set must be transferred to the replacement drive using Lenze Global Drive Control (GDC) V4.0+ software or imported directly via the Keypad XT module. Verify feedback configuration in parameter C0034 and check thermal connection wiring at terminal X6 prior to enabling power stage output.
If the replacement unit indicates unrecoverable hardware faults like H05 or persistent EEPROM errors like EER that fail to clear after loading defaults via C0002, internal hardware failure is present. Internal board modifications are not field-serviceable, requiring drive repair or replacement with a tested exchange unit to restore production.
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 during acceleration | Output current limit exceeded during acceleration phase. | Short circuit or ground fault at output; acceleration time too short; motor damaged or incorrectly wired. | Check motor cable and winding for short circuit or earth fault; check acceleration time settings; check motor dimensioning. |
| OC2 | Short circuit / Overcurrent during deceleration | Output current limit exceeded during deceleration phase. | Deceleration time too short; excessive load inertia; short circuit on output. | Increase deceleration time; install braking resistor if required; check motor wiring. |
| OC5 | I x t Overload | Continuous current overload threshold exceeded. | Drive operates continuously above rated current; mechanical blockage; drive undersized for application. | Check load mechanics for binding; verify motor and drive sizing. |
| OH | Heatsink Over-temperature | Drive heatsink temperature exceeded maximum threshold (> 90 °C). | Ambient temperature too high; inadequate ventilation/cooling airflow; fan failure or clogged heatsink fins. | Improve enclosure cooling; clean heatsink fins; check integrated cooling fan operation. |
| OH4 | Motor Over-temperature | Motor temperature sensor (PTC/thermal contact) triggered trip. | Motor thermal overload; inadequate motor cooling; thermistor wiring broken or disconnected. | Allow motor to cool; check motor load and cooling fan; verify PTC connection to terminal X6. |
| OU | DC Bus Overvoltage | Intermediate DC bus voltage exceeded maximum limit (> 770 V DC). | Regenerative energy from motor during braking too high; missing or defective brake chopper / braking resistor; mains supply voltage too high. | Check brake chopper and external braking resistor connection/value; extend deceleration ramp times; check mains supply. |
| LU | DC Bus Undervoltage | Intermediate DC bus voltage fell below minimum limit (< 430 V DC). | Mains supply failure or voltage dip; line fuse blown; supply impedance too high. | Check mains voltage supply, fuses, line contactor, and input power wiring. |
| CE0 | AIF Communication Fault | Communication interruption between drive and plug-in module on AIF interface. | Fieldbus master stopped communicating; loose or defective fieldbus module; plug-in module defective. | Check fieldbus wiring and master PLC state; check module seating on AIF slot; replace module if defective. |
| CE1 | CAN System Bus Communication Error (CAN-IN1) | Communication error / timeout on System Bus (CAN). | CAN cable broken or shorted; bus termination missing; baud rate mismatch; CAN master/peer node failed. | Verify CAN bus wiring and 120-ohm termination resistors; check baud rate setting in drive parameters. |
| H05 | Internal Hardware Error | Internal control board or power section hardware failure detected during self-test. | Internal component defect, corrupted internal memory, or power supply fault on drive control board. | Internal hardware fault — power cycle drive; if fault persists, return unit for repair or replace drive. |
| EER | EEPROM Fault / Parameter Error | Corrupted parameter data detected in internal EEPROM memory during startup. | Power lost during parameter saving operation; defective EEPROM chip. | Load factory default parameters (C0002) and re-download configuration. If error reoccurs, internal hardware fault — replace or repair unit. |
| P12 | Resolver / Encoder Feedback Error | Feedback signal fault detected on feedback interface (X7 or X8). | Resolver cable damaged or disconnected; encoder signal line broken or noisy; incorrect feedback type selected. | Check feedback cable, connector seating at X7/X8, and shield grounding; check parameter C0034 encoder selection. |
| NMAX | Speed Limit Exceeded | Actual motor speed exceeded maximum allowable speed setting. | Unstable speed controller tuning; overshooting load; wrong feedback resolution setting. | Check speed controller parameters; check motor encoder calibration and resolution settings. |
| LP1 | Mains Phase Failure | Failure of one line phase on 3-phase mains supply input. | Single-phasing on input power line; blown mains fuse; unstable mains network. | Check input voltage supply on all 3 phases (L1, L2, L3); check line fuses and contactors. |
Frequently Asked Questions
Which software is required to configure the Lenze 00397976 EVS9325-ES?
Drive parameters are configured using Lenze Global Drive Control (GDC) software version 4.0 or higher, or manually using the plug-in Keypad XT module (EMF2102IB).
How can parameter configurations be transferred to a replacement drive?
Parameters can be saved and downloaded via GDC software or copied directly using the Keypad XT module. The drive's internal EEPROM supports storage for up to four parameter sets.
What fieldbus communications are supported by the EVS9325-ES?
The inverter includes an integrated CANopen system bus on terminal strip X4 supporting up to 500 kbps. Additional protocols such as PROFIBUS-DP (EMF2133IB), LECOM RS-232/485, and Interbus are supported via the Automation Interface (AIF) expansion slot.
What should be done if fault code H05 appears on the drive?
Fault code H05 indicates an internal hardware defect on the control board or power section. Perform a complete power cycle; if the fault persists, the drive must be repaired or replaced.
What motor feedback devices are compatible with the drive?
The drive features a dedicated 9-pin D-sub resolver input (terminals X7/X8) along with master frequency and encoder interfaces configurable via parameter C0034.
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