Lenze EVS9325-ETV907 9300 Series 5.5kW Servo PLC Controller
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Product Information
The Lenze EVS9325-ETV907 is a 5.5 kW Servo PLC controller from the 9300 Series, engineered to combine precision field-oriented vector drive control with decentralized PLC functionality. Operating from a 3-phase 400 V AC to 480 V AC supply with a rated continuous output current of 13 A, this intelligent unit regulates synchronous and asynchronous AC servo motors. By embedding an IEC 61131-3 compliant motion controller directly inside the servo housing, it executes complex motion tasks, electronic gearing, and multi-axis positioning locally, freeing up central master controller capacity and saving control cabinet space.
Integrating a replacement EVS9325-ETV907 unit into an existing machine setup requires attention to hardware options and stored configuration files. Communication across drive networks is handled via an onboard Sub-D 9-pin CAN system bus operating up to 500 kbit/s, while an integrated Automation Interface (AIF) slot accommodates plug-in fieldbus modules like the EMF2133IB PROFIBUS module, CANopen, or DeviceNet, as well as the EMZ9371BC keypad module. Because replacing a unit involves transferring programmed motion control logic, parameters managed via Global Drive Control (GDC) and compiled applications from Drive PLC Developer Studio (DDS) must be reloaded into internal EEPROM memory. Engineering support from ABC Industrial Parts can assist with parameter extraction from faulty donor units to ensure correct application behavior.
System status and immediate diagnostic alerts are communicated through front-panel LED indicators and internal register monitors. A solid green DRIVE READY indicator confirms operational readiness, whereas a red DRIVE FAULT indicator signals an active TRIP condition. Detailed diagnostics can be read from register codes such as C0183 fault history and C0168 status register using GDC software or the keypad module. Initial line checks should confirm 3-phase mains supply voltage within the allowed 324 V AC to 528 V AC window, verify external brake resistor connections, and check bus termination. When critical hardware failures like code H05 or persistent internal EEPROM corruption occur, internal components cannot be serviced on site, and selecting a fully tested replacement from ABC Industrial Parts is the most reliable way to recover production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9325-ETV907 |
| Component Type | Servo PLC Controller |
| Product Family | 9300 Series |
| Rated Power | 5.5 kW |
| Supply Voltage Range | 400 - 480 V AC (3-phase) |
| Mains Voltage Limits | 324 - 528 V AC |
| Continuous Output Current | 13 A |
| Rated Mains Current | 13 A |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz (configurable up to 16 kHz) |
| Control Method | Field-oriented vector control |
| Onboard Fieldbus | CAN system bus (Sub-D 9-pin, up to 500 kbit/s) |
Programming and Configuration
The Lenze EVS9325-ETV907 integrates a motion PLC programmed via Drive PLC Developer Studio (DDS). DDS provides an environment compliant with IEC 61131-3 standards, allowing engineers to develop, load, and debug application programs, custom control loops, electronic cams, and positioning sequences directly on the servo controller.
Drive parameters and operational settings are managed using Global Drive Control (GDC) software or the EMZ9371BC plug-in keypad module. Diagnostic registers such as code C0183 for fault history memory and C0168 for status verification allow precise monitoring. Parameter sets and program code are saved in internal non-volatile EEPROM memory, securing configuration data against power loss.
Communication and System Integration
Inter-drive synchronization and multi-axis coordination are facilitated by the onboard CAN system bus interface accessible via a 9-pin Sub-D connector. Operating at transfer speeds up to 500 kbit/s, this bus allows high-speed exchange of process data and motion timing between controllers.
For integration into broader plant networks, the unit features a modular Automation Interface (AIF) slot. This slot accepts optional communication adapters such as the EMF2133IB PROFIBUS module, CANopen, or DeviceNet cards. Feedback integration supports standard Lenze 9300 series resolver and incremental encoder interfaces for precision motor feedback.
Diagnostics and Status Indication
Visual operational feedback is provided on the front panel via status LED indicators. These LEDs give clear signals regarding drive operational state and fault conditions.
Further diagnostic monitoring can be performed online using Global Drive Control (GDC) diagnostic software windows or Drive PLC Developer Studio (DDS) online status views, which display internal register values, CAN system bus status, and trip logs.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid | Controller is ready for operation |
| DRIVE FAULT | Red - Solid or Flashing | Active TRIP condition or fault state detected |
Replacement and Spare Part Considerations
When replacing an EVS9325-ETV907, verify that the complete part number matches, as variations dictate power ratings and firmware options within the Lenze 9300 Servo PLC family. Ensure the 3-phase supply voltage conforms to the 400 V AC to 480 V AC requirement.
A replacement unit will not run straight out of the box without project migration. The user program must be uploaded using Drive PLC Developer Studio (DDS), and drive parameters must be loaded via Global Drive Control (GDC) or transferred through a saved parameter set. Verify that any expansion modules in the Automation Interface (AIF) slot, such as PROFIBUS cards, are correctly seated and addressed.
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 | Instantaneous short circuit or excessive motor current detected on drive output. | Short circuit in motor cable, motor winding fault, acceleration time set too short. | Check motor cable for phase-to-phase or phase-to-ground short, verify motor parameters, check ramp times. |
| OC5 | I x t Overload | Drive output current exceeded continuous limit for prolonged period. | Mechanical overload, drive undersized for application, continuous heavy duty operation. | Check mechanical load, check duty cycle, verify drive dimensions. |
| OU | DC Bus Overvoltage | DC bus voltage exceeded upper threshold limit. | Excessive regenerative energy during deceleration, missing or undersized brake resistor, decelerating too fast. | Increase deceleration ramp, check brake chopper and external brake resistor connections. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below lower threshold limit. | Mains supply voltage voltage dip, phase loss, power supply failure. | Verify input supply AC voltage across all 3 phases, check fuses and supply contactor. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeded maximum safety threshold. | Inadequate cooling, clogged heat sink, cabinet fan failure, ambient temperature too high. | Clean heat sink fins, check cabinet ventilation and cooling fans, verify ambient temperature. |
| OH3 | Motor Overtemperature (PTC / KTY) | Motor temperature sensor triggered thermal fault. | Motor overheating due to heavy overload, defective motor cooling fan, broken sensor connection. | Allow motor to cool down, check motor load, check motor thermistor connection at control terminals. |
| OH7 | Motor Temperature Model Overload | Calculated motor temperature model exceeded limit. | Continuous low-speed operation under high load without forced cooling. | Reduce motor load, install forced cooling fan on motor. |
| CE0 | AIF Communication Fault | Communication failure on Automation Interface slot. | Fieldbus module loose, bus cable interruption, master controller failure. | Check fieldbus module seating, check network cabling and termination resistors. |
| CE1 | CAN System Bus Communication Fault (CAN-IN1) | Time-out or error condition on system bus CAN connection. | Cable fault, incorrect baud rate, missing termination resistor. | Verify CAN bus wiring, baud rate configuration, and 120-ohm termination resistors at endpoints. |
| CE2 | CAN System Bus Communication Fault (CAN-IN2) | Time-out on system bus process data input 2. | Master device stopped sending process data. | Check transmitting master CAN node and cabling. |
| EEr | Internal EEPROM Error | Non-volatile memory checksum failure or access fault. | Internal hardware failure or power loss during write procedure. | Re-initialize parameters to factory defaults; if error persists, internal hardware fault — return unit for repair. |
| NMAX | Maximum Speed Exceeded | Motor actual speed exceeded programmed maximum limit (C0011 / C0596). | Incorrect speed controller tuning, overshooting load, incorrect feedback signal. | Check speed controller parameters, verify encoder/resolver wiring and scaling. |
| PR0 | PLC Program Error | Internal error in Servo PLC application execution (division by zero, array out of bounds, stack overflow). | Application program runtime error. | Connect DDS programming software, inspect program logic and fault stack. |
| H05 | Internal Power Section Fault | Hardware fault reported by internal power stage. | Internal driver board or IGBT gate drive circuit failure. | Internal hardware fault — return unit for repair. |
Frequently Asked Questions
What software is required to program and configure the Lenze EVS9325-ETV907?
Drive PLC Developer Studio (DDS) is used for developing and uploading the IEC 61131-3 motion control application, while Global Drive Control (GDC) software or the EMZ9371BC keypad module is used for parameter configuration and commissioning.
What does an H05 fault code mean on the EVS9325-ETV907?
An H05 code indicates an internal power section failure, typically caused by a hardware fault in the IGBT gate drive circuit or driver board. This internal fault requires unit repair or replacement.
Can I connect the EVS9325-ETV907 controller to a PROFIBUS network?
Yes. While the controller comes with an onboard CAN system bus, it supports PROFIBUS-DP through an optional EMF2133IB communication module inserted into the Automation Interface (AIF) slot.
How do I clear an OU fault code on this servo controller?
An OU fault signals DC bus overvoltage. To resolve it, check whether deceleration ramps are set too fast, verify that the brake chopper is functioning, and inspect the external brake resistor connection.
Is the user program lost if the EVS9325-ETV907 loses power?
No. Drive parameters and IEC 61131-3 application programs are written to internal non-volatile EEPROM memory, retaining data through power cycles.
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