Lenze 00488422 EVS9323-EPV004 9300 Servo Drive
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Product Information
The Lenze 00488422 (model EVS9323-EPV004) is a 1.5 kW servo drive and positioning controller from the Lenze 9300 Servo series. Operating on a 3-phase supply of 400 V AC to 480 V AC (320 V AC to 528 V AC input range), this IP20 enclosure unit combines power electronics with integrated digital position control. It delivers a continuous output current of 3.9 A and a maximum peak current of 5.9 A for up to 60 seconds at an 8 kHz switching frequency, making it suitable for high-dynamic automated motion tasks including multi-axis synchronized positioning and master-follower electronic gearing setups.
For machine integration, the unit features an integrated CAN system bus interface on a 9-pin Sub-D male connector (X5) supporting communication speeds up to 500 kbit/s. Master frequency and encoder input and output connections (X8/X9) handle up to 500 kHz for master-slave motion profiles, while terminal X7 provides a dedicated 9-pin Sub-D resolver input. The drive includes a pluggable Automation Interface (AIF) slot that supports communication modules such as PROFIBUS-DP (EMF2133IB), INTERBUS (EMF2111IB), or serial LECOM options. Placing a replacement EVS9323-EPV004 into service requires matching the V004 firmware revision and transferring the drive configuration. Up to four parameter sets stored in internal non-volatile EEPROM memory can be uploaded and backed up using Global Drive Control (GDC) PC software or the optional EMZ9371BC keypad module, with assistance available from ABC Industrial Parts for parameter transfer and unit staging.
Operational monitoring is facilitated by front-panel LEDs, including a green DRIVE READY light indicating operational readiness or active enable, and a red TRIP light indicating warning or active fault conditions. Onboard status monitoring codes such as C0168 for trip history and C0183 for current operational status allow rapid diagnostic assessment through GDC or keypad readouts. First-line field checks for unexpected shutdowns should focus on input phase balance, DC bus levels, braking resistor circuits, motor winding insulation, and 120-ohm CANbus termination resistors. Internal hardware faults or corrupted EEPROM data—indicated by system codes such as H05 or EER—are not field-serviceable on the circuit board, where sourcing a tested replacement unit or utilizing repair services from ABC Industrial Parts offers the most effective path to restoring production line operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00488422 |
| Model / Type | EVS9323-EPV004 |
| Product Family | 9300 Servo |
| Component Type | Servo Drive |
| Rated Power | 1.5 kW |
| Supply Voltage | 3x 400/480 V AC |
| Supply Voltage Range | 320 - 528 V AC |
| Continuous Output Current | 3.9 A |
| Maximum Output Current | 5.9 A |
| Switching Frequency | 8 kHz |
| Maximum Output Frequency | 480 Hz |
| System Bus | CANbus / CANopen (Sub-D 9-pin male X5) |
| Feedback Interface | Resolver (Sub-D 9-pin X7) |
| Encoder Input/Output | Master frequency/encoder up to 500 kHz (X8/X9) |
| Protection Rating | IP20 |
Programming and Configuration
Drive parameterization for the Lenze EVS9323-EPV004 relies on Lenze Global Drive Control (GDC) PC software or the optional EMZ9371BC pluggable keypad module. Up to four distinct parameter sets can be written to non-volatile internal EEPROM memory, allowing the drive to hold full motion profiles, positioning limits, and motor feedback parameters directly onboard.
When commissioning a replacement unit, backup parameter sets can be read directly from the donor unit or loaded via GDC. Matching parameter configurations and parameterizing motor feedback options at terminal X11 and resolver port X7 ensures exact dynamic performance matching across synchronized axis groups.
Communication and System Integration
The EVS9323-EPV004 integrates multi-axis system communication via an onboard CAN system bus interface accessible through a male 9-pin Sub-D connector labeled X5. Operating at data rates up to 500 kbit/s with 120-ohm bus termination requirements, the system bus supports real-time synchronization across electronic gearing and positioning drives.
Broader fieldbus communication is supported through a built-in Automation Interface (AIF) slot. This interface accepts plug-in modules including PROFIBUS-DP (EMF2133IB), INTERBUS (EMF2111IB), or serial LECOM options. Additional hardware interfaces include master frequency and encoder ports X8 and X9 rated up to 500 kHz, alongside resolver feedback input X7.
Diagnostics and Status Indication
Visual diagnostic indications are provided on the front panel of the EVS9323-EPV004 via two status LEDs labeled DRIVE READY and TRIP. Real-time operation can also be evaluated through parameter display codes, such as code C0168 for reading the TRIP fault history and code C0183 for displaying immediate drive status on the EMZ9371BC keypad or inside GDC software.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY (Green) | Green - Solid/Blinking | On: Drive operational / ready for enable. Blinking: Drive active / inhibited. |
| TRIP (Red) | Red - Solid/Flashing | On: Active TRIP fault present. Slow blink: Warning / active TRIP reset blocked. |
Replacement and Spare Part Considerations
When replacing a Lenze 00488422 servo controller, matching both the core model number EVS9323-EP and the exact revision suffix V004 is essential to maintain complete firmware and hardware feature alignment. The unit operates within a 3-phase mains range of 320 V AC to 528 V AC at 400/480 V nominal rating.
Replacing a drive requires transferring saved parameters from the old unit via the EMZ9371BC keypad module or GDC software. Because parameter data is stored in non-volatile EEPROM memory across four available slots, verifying that parameter configurations match the machine setup prevents position tracking errors and control loop instability.
Before powering up the replacement drive, technicians should verify motor insulation, line fuse balance, external braking resistor wiring, and proper 120-ohm termination on the CANbus connector X5. Ensuring correct resolver connections on port X7 and thermal sensor wiring on terminal X11 safeguards the replacement against immediate overcurrent or thermal trips.
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 | Short circuit on motor output terminals or severe overcurrent condition. | Short circuit in motor cable, short circuit in motor windings, acceleration time set too short. | Check motor and motor wiring for short circuits, check motor parameters and ramp times. |
| OC2 | Earth Fault | Ground fault detected on output phase. | Motor winding grounded, motor cable ground fault, excessive capacitive current in motor cable. | Check motor insulation and motor cable integrity to earth. |
| OC5 | I2t Overload Drive | Drive load integral (I2t) exceeded allowable limit. | Drive operates above rated current for prolonged duration, dynamic overload too high. | Check load cycle, check motor dimensioning, increase acceleration ramp. |
| OU | DC Bus Overvoltage | DC bus voltage exceeded upper limit (> 770 V DC). | Braking energy too high during deceleration, brake chopper / braking resistor not connected or defective. | Extend deceleration time, check external braking resistor and brake chopper circuit. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below threshold (< 430 V DC). | Mains supply voltage too low, line phase failure, power supply interruption. | Check mains voltage, check line fuses and mains supply connections. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeded maximum threshold. | Insufficient cooling airflow, ambient temperature too high, fan failure, dirty heatsink. | Clean heatsink fins, verify cabinet ventilation and ambient conditions, replace cooling fan. |
| OH4 | Interior Overtemperature | Interior cabinet temperature inside unit exceeded permissible limit. | Control cabinet temperature too high, excessive internal heat build-up. | Improve enclosure ventilation and cabinet cooling. |
| OH7 | Motor Overheating | Motor temperature sensor (PTC / thermal contact) tripped. | Motor overload, motor cooling fan failed, incorrect thermal sensor evaluation parameter. | Allow motor to cool down, check motor load and forced-cooling fan, check PTC connections at terminal X11. |
| NMAX | Speed Limit Exceeded | Motor speed exceeded maximum limit (1.2 x set maximum speed). | Speed control loop instability, incorrect gain parameters, external driving torque. | Check speed controller tuning, verify encoder configuration and load conditions. |
| P12 | Following Error / Position Fault | Positioning controller detected excessive position deviation (following error). | Mechanical blockage, acceleration too fast, position loop gain setting too low. | Check mechanics for free movement, review positioning parameters and acceleration profiles. |
| EER | EEPROM Fault | Internal memory error during data read or write operation. | Corrupted non-volatile EEPROM data, power supply failure during parameter save, internal hardware error. | Reload factory default settings and re-download parameter set. If error persists, internal hardware fault — return unit for repair. |
| H05 | System Fault | Internal hardware or microprocessor control fault. | Board hardware malfunction, internal power supply drop, processor watchdog trip. | Internal hardware fault — return unit for repair. |
| CE0 | CAN Communication Fault | Communication failure on integrated CAN system bus (X5). | Bus cable disconnected, incorrect baud rate, missing termination resistors, bus off state. | Check CAN wiring, shield ground, bus termination resistors (120 Ohm), and node ID settings. |
| LP1 | Mains Phase Failure | Phase loss detected on AC supply input. | One mains supply phase missing, blown fuse, severe supply voltage imbalance. | Check input fuses, supply wiring, and 3-phase line voltage uniformity. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze EVS9323-EPV004 drive?
Parameters stored in internal EEPROM memory can be uploaded and restored using Lenze Global Drive Control (GDC) PC software or transferred directly using a pluggable EMZ9371BC keypad module.
What position feedback devices are supported by the EVS9323-EPV004?
The unit includes a dedicated 9-pin Sub-D connector (X7) for resolver feedback, alongside master frequency and encoder ports (X8/X9) supporting signals up to 500 kHz.
Which fieldbus interfaces can be integrated with this servo drive?
The drive features an onboard CAN system bus (X5) and a pluggable Automation Interface (AIF) slot that accepts optional modules including PROFIBUS-DP (EMF2133IB), INTERBUS (EMF2111IB), or serial LECOM options.
What do the front-panel LEDs indicate on the Lenze 00488422?
The green DRIVE READY LED lights solid when operational and blinks when active/inhibited. The red TRIP LED lights solid during an active trip fault and blinks slowly during warnings or when reset is blocked.
What action should be taken if fault code EER or H05 appears?
EER indicates an EEPROM data error, while H05 indicates an internal microprocessor or hardware fault. If reloading parameters or clearing power does not resolve the condition, the unit has an internal hardware fault and must be returned for repair or replaced.
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Specific firmware and hardware versions
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