Lenze 00421348 EVS9325-EP 9300 Servo Positioning Controller
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Product Information
The Lenze EVS9325-EP (part number 00421348) is a 5.5 kW servo positioning controller from the Lenze 9300 Servo family, engineered for precise dynamic motion control in automated machinery. Operating from a 3-phase mains supply voltage range of 320 V AC to 528 V AC or a 460 V DC to 740 V DC bus, this drive provides a continuous output current of 13 A with a peak current capacity up to 19.5 A for rapid acceleration and deceleration cycles. Built for demanding applications such as multi-axis pick-and-place gantries, packaging lines, and rotary tables, the controller executes complex positioning profiles directly on board, significantly reducing processing demand on higher-level PLCs. The drive operates at an 8 kHz switching frequency with a rated mains input current of 12 A and an internal power dissipation rating of 220 W.
Interfacing the EVS9325-EP into production machinery relies on onboard feedback connectors and expandable network interfaces, including Sub-D connector X7 for resolvers and Sub-D connector X8 for incremental, SinCos, or Hiperface encoders. Integrated CANopen communication is supported via system bus interface X14 at speeds up to 500 kbit/s, while an Automation Slot (AIF) accepts expansion modules such as the EMF2131IB PROFIBUS-DP, EMF2175IB DeviceNet, or EMF2111IB INTERBUS cards. Commissioning a replacement unit requires restoring drive configuration parameters stored in non-volatile EEPROM memory. Parameters can be uploaded and transferred using Lenze Global Drive Control (GDC) software or via the optional EMF2102IB XT keypad module without requiring a computer. Technical support from ABC Industrial Parts can assist maintenance teams with parameter transfers and configuration alignment when preparing spare drives.
Diagnostic feedback is provided through on-board LEDs alongside system status monitors accessible via keypad or software. The green Ready LED indicates normal controller operation when solid and a disabled drive when flashing, while the red Fault LED signals active trip conditions or pending warnings. Code history lookup through parameter code C0183 allows technicians to identify conditions such as short circuits (OC1), earth faults (OC2), overvoltage (OU), or communication interruptions (CE0/CE1). First-line troubleshooting should include verifying three-phase AC power, brake resistor connections, resolver or encoder wiring at connectors X7 and X8, and fieldbus termination resistors. Internal electronic failures, such as internal hardware faults (H05) or power stage short circuits, are not field-serviceable, making repair or a tested replacement unit from ABC Industrial Parts the most reliable path back to operational readiness.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00421348 |
| Model/Type | EVS9325-EP |
| Product Family | 9300 Servo |
| Component Type | Servo Positioning Controller |
| Rated Power | 5.5 kW |
| Supply Voltage Range | 320 - 528 V AC (3-phase) |
| DC Bus Voltage Range | 460 - 740 V DC |
| Rated Mains Current | 12 A |
| Continuous Output Current | 13 A |
| Peak Output Current | 19.5 A |
| Power Loss | 220 W |
| Switching Frequency | 8 kHz |
| Integrated System Bus | CANopen / Lenze CAN (500 kbit/s) |
Programming and Configuration
Programming and parameterization of the Lenze EVS9325-EP servo positioning controller are performed using Lenze Global Drive Control (GDC) software or through the pluggable EMF2102IB XT keypad module. GDC software provides diagnostic monitoring, online oscilloscope capabilities, and precise positioning table editing. Machine motion profiles, positioning tables, homing sequences, and axis control parameters are stored within non-volatile EEPROM memory to prevent data loss during power loss.
When replacing a controller, saved parameter files must be loaded into the target unit to match original application settings. Parameters can be copied using the XT keypad's memory upload and download functions or transferred via GDC software. In cases where parameter mismatch or memory corruption triggers a parameter error code (Pr) or EEPROM fault (EER), parameter code C0002 can be utilized to re-initialize the drive to factory default settings prior to reloading the operational parameter set.
Communication and System Integration
The EVS9325-EP features built-in communication flexibility centered around an integrated CANopen system bus interface at connector X14, supporting data rates up to 500 kbit/s for drive-to-drive coupling and synchronized multi-axis motion control. In addition to the CANopen interface, the drive includes 8 programmable digital inputs, 4 digital outputs, and dual differential analog I/O channels for direct integration with machine sensors and control signals.
System integration with higher-level industrial networks is expanded via the drive's Automation Slot (AIF). Optional communication modules, including the EMF2131IB for PROFIBUS-DP, EMF2175IB for DeviceNet, and EMF2111IB for INTERBUS, plug directly into the AIF slot. Proper module seating, network cabling, and termination resistors (120 Ohm for CAN) are critical to prevent communication trip faults such as CE0 or CE1.
Diagnostics and Status Indication
Drive status and operational health are monitored via onboard LED indicators and diagnostic parameters. The green Ready LED and red Fault LED offer immediate visual status of active trip conditions, warning states, and drive disable modes. System bus communication activity across the CAN interface is monitored through a dedicated CAN status LED.
For detailed diagnostic analysis, technicians can view fault history memory stored in parameter codes C0168 and C0183 using the XT keypad display or GDC diagnostic tools. Real-time signal tracking and error logs allow efficient identification of motor thermal limits, DC bus overvoltage, encoder signal losses, or line phase unbalances.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready | Green - Solid / Flashing | Solid indicates controller operational; flashing indicates drive disabled/inhibited |
| Fault | Red - Solid / Flashing | Flashing indicates warning/fault pending; solid indicates active trip/fault condition |
| CAN Status | Active | Indicates system bus communication status |
Replacement and Spare Part Considerations
When replacing a Lenze EVS9325-EP (part number 00421348) servo controller, exact matching of the model designation and part number is critical to ensure compatibility with existing 5.5 kW motor windings, power wiring, and feedback devices. Verify whether the installation utilizes resolver input connector X7 or encoder connector X8.
A spare controller cannot be put into service directly out of the box without transferring the original application parameters. Maintenance engineers must transfer saved parameters and positioning tables using Lenze Global Drive Control software or an EMF2102IB XT keypad module. Ensure that any option module in the AIF slot, such as a PROFIBUS or DeviceNet interface card, is transferred to the replacement unit and firmly seated prior to applying power.
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 or earth fault on motor output terminals during acceleration or operation. | Motor cable short circuit, motor winding fault, excessive acceleration ramp. | Check motor cable and motor insulation, check power stage for short circuit. If fault persists with motor disconnected, internal power module failure requires factory repair. |
| OC2 | Earth fault | Ground fault detected on output phase to ground. | Motor cable grounded, motor winding ground fault, high cable capacity. | Check motor cable insulation to earth, check motor winding resistance to ground. |
| OC5 | I*t Overload | Drive loaded above continuous current limit for an extended duration. | Mechanical overload, motor blocked, aggressive duty cycle. | Reduce drive load, verify motor sizing, adjust acceleration/deceleration profiles. |
| OH | Heatsink Overtemperature | Drive heatsink temperature exceeded maximum safety threshold. | Fan failure, blocked heatsink airflow, ambient temperature too high. | Clean heatsink, verify fan operation, lower cabinet temperature. |
| OH4 | Motor Overtemperature | Motor thermal sensor (PTC/KTY) triggered or motor thermal model reached limit. | Motor overloaded, cooling fan on motor failed, sensor wire broken. | Allow motor to cool down, check motor cooling fan, verify thermistor connections. |
| OH7 | Drive Interior Overtemperature | Internal ambient temperature inside drive enclosure exceeded threshold. | Insufficient enclosure ventilation, extreme ambient temperature. | Improve enclosure cooling, inspect internal air distribution. |
| OU | Overvoltage DC Bus | DC bus voltage exceeded upper trip limit. | Regenerative energy from braking too high, brake resistor disconnected or blown, deceleration ramp too short. | Check brake chopper resistor connections and resistance, increase deceleration time. |
| LU | Undervoltage DC Bus | DC bus voltage dropped below minimum operating limit. | Mains supply failure, supply phase loss, incoming voltage drop. | Check AC mains supply voltage, check supply fuses and contactors. |
| LP1 | Mains Phase Failure | Phase unbalance or loss of single phase on input AC mains. | Blown main supply fuse, loose line connection, main contactor fault. | Verify voltage across all three incoming phases (L1, L2, L3). |
| CE0 | Communication Error AIF | Communication interruption between drive control board and optional AIF module. | AIF module loose, fieldbus master stopped, bus cable interrupted. | Verify module seating in AIF slot, check network cabling and termination. |
| CE1 | CAN System Bus Error 1 | CANbus communication error / bus off condition on internal System Bus. | Incorrect baud rate, missing bus termination resistors (120 Ohm), CAN cable break. | Check CAN wiring, bus termination, and system bus baud rate settings. |
| EER | EEPROM Fault | Internal non-volatile EEPROM parameter memory checksum error. | Parameter memory corrupted during power-down or power surge. | Reload factory default settings (C0002) and re-download configuration. If fault persists, internal EEPROM hardware failure requires unit replacement. |
| H05 | Internal Hardware Fault | Control board hardware self-test failed. | Internal electronic components damaged. | Internal hardware failure — return unit for repair or replace device. |
| Pr | Parameter Error | Inconsistent parameter configuration or unsupported parameter value loaded. | Parameter file mismatch loaded into firmware. | Re-initialize parameters to defaults and download correct parameter set. |
| NMAX | Speed Limit Exceeded | Motor actual speed exceeded maximum permitted speed setting. | Unstable velocity loop gain, encoder feedback problem, runaway mechanical load. | Check speed feedback sensor wiring, adjust speed controller gain, check maximum speed parameter. |
| Sd2 | Incremental Encoder Error | Signal loss or invalid state sequence from incremental encoder input (X8). | Encoder cable defect, track A/B signal missing, loose connector. | Check encoder cable connection at X8, test encoder power supply and signals. |
| Sd7 | Resolver Fault | Resolver signal open circuit or amplitude fault on input X7. | Resolver cable broken or disconnected, resolver fault. | Verify resolver connections on connector X7, check resolver coil resistance. |
Frequently Asked Questions
What software is used to program the Lenze EVS9325-EP?
The Lenze EVS9325-EP is programmed and configured using Lenze Global Drive Control (GDC) software or directly via the pluggable EMF2102IB XT Keypad Module.
How are parameter settings transferred to a spare drive?
Drive parameters stored in non-volatile EEPROM memory can be uploaded using GDC software or copied onto an EMF2102IB XT keypad module, then downloaded directly into the replacement drive.
What motor feedback devices are compatible with connector X7 and X8?
Sub-D connector X7 supports standard 2-pole to 8-pole resolvers, while Sub-D connector X8 supports incremental encoders, SinCos encoders, or Hiperface absolute encoders.
Which fieldbus communication modules fit the EVS9325-EP?
The integrated AIF slot supports optional fieldbus modules including EMF2131IB (PROFIBUS-DP), EMF2175IB (DeviceNet), and EMF2111IB (INTERBUS).
What should be checked if fault code OC1 appears on the drive?
Fault OC1 indicates a short circuit or ground fault on the motor outputs. Check the motor cable insulation, motor winding resistance, and power stage connections. If the fault persists with the motor disconnected, internal hardware failure is indicated.
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