Lenze 00408452 EVS9323-ES 1.5kW 9300 Servo Drive
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Product Information
The Lenze 00408452 (model EVS9323-ES) is a 1.5 kW AC servo drive from the 9300 Series built for dynamic speed, torque, and positioning applications in automated machinery. Operating on a 3-phase AC supply range from 320 V AC to 528 V AC, this compact drive unit delivers a continuous output current of 3.9 A at an 8 kHz switching frequency. To accommodate heavy startup loads and rapid motor acceleration in packaging, material handling, and converting systems, the unit features a high overload capability of 150%, providing up to 5.9 A of output current for up to 60 seconds. Feedback compatibility is integrated directly into the hardware, supporting standard resolvers alongside incremental and absolute encoders using SSI or EnDat protocols.
Integrating the unit into machine control architectures is managed through onboard terminals and expandable interface options. The drive features an integrated CAN system bus operating at up to 500 kbit/s for multi-axis drive synchronization. Additional fieldbus integration is accomplished using option cards installed in the front Automation Slot, including PROFIBUS-DP, EtherCAT, or LECOM RS-232/RS-485 modules. Commissioning a replacement unit requires restoring the motor parameters, fieldbus settings, and control configurations stored in internal EEPROM memory. Parameters can be cloned and loaded using the pluggable Keypad XT panel or Lenze Global Drive Control software, with ABC Industrial Parts available to assist in extracting parameter files from existing units or preparing replacement hardware.
Real-time diagnostic feedback is provided by three status LEDs located on the front panel, combined with internal diagnostic memory registers C0168 and C0169 that record active trip conditions and trip history. Display parameters C0009 and C0161 allow operators to check operating status and trip error codes directly via the Keypad XT operator panel or software interfaces. Common field issues such as line voltage drops, motor overtemperature, or resolver feedback errors can usually be cleared after inspecting external wiring, cooling loops, and mains fuses. When internal control board faults or unrecoverable hardware errors occur, component-level repairs or a fully tested exchange drive through ABC Industrial Parts provide a reliable path to restore production quickly.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00408452 |
| Model / Type | EVS9323-ES |
| Product Family | 9300 Series |
| Component Type | Servo Drive |
| Rated Power | 1.5 kW |
| Supply Voltage | 400 V AC (320 - 528 V AC) |
| Rated Input Current | 3.6 A |
| Continuous Output Current | 3.9 A |
| Peak Output Current | 5.9 A (150% for 60 s) |
| Switching Frequency | 8 kHz |
| Power Loss | 90 W |
| System Bus | Integrated CAN bus (up to 500 kbit/s) |
| Supported Feedback | Resolver (X7), Incremental Encoder (X8), Absolute Encoder (SSI/EnDat) |
| Parameter Memory | Internal EEPROM (up to 4 parameter sets) |
Programming and Configuration
Configuration of the Lenze EVS9323-ES servo drive is managed using Global Drive Control (GDC) PC software or the optional Keypad XT (EMZ9371BC) plug-in operator unit. The drive features internal non-volatile EEPROM memory capable of storing up to four complete parameter sets. This allows complex machine setups to be pre-programmed, backed up, or quickly switched to accommodate different production tasks.
When commissioning a replacement unit, parameter sets saved from the original drive can be uploaded via GDC or copied directly using the memory functionality of the Keypad XT module. Important parameters include motor feedback configuration in code C0025, operating mode settings, and motor thermal response values. Transferring a verified parameter backup ensures that speed control loops, axis scaling, and system limits match the requirements of the physical machine.
Communication and System Integration
The Lenze 00408452 features a built-in CAN system bus accessible via pluggable terminal X4. Operating at transmission rates up to 500 kbit/s, this interface allows real-time synchronization between multiple drives, system controllers, and remote I/O modules without requiring additional fieldbus hardware.
For integration into broader industrial automation networks, the front-facing Automation Slot supports a variety of option modules. Installing the PROFIBUS-DP module (EMF2133IB or EMF2131IB), EtherCAT module (EMF2192IB), or LECOM RS-232/RS-485 module (EMF2102IB) enables direct cyclic data exchange with higher-level PLCs. Network addresses and baud rates are configured through specific drive parameters or onboard hardware switches depending on the installed card.
Diagnostics and Status Indication
The front panel of the EVS9323-ES is equipped with three diagnostic LEDs that provide immediate visual feedback on the operational state of the drive. A solid green LED confirms normal controller operation, a solid yellow LED indicates a warning or controller inhibit (IMP) condition, and a solid red LED signals an active TRIP fault that disables power output.
Detailed fault evaluation is supported by diagnostic codes accessible through Global Drive Control or the Keypad XT module. Parameter C0009 displays current operating status, parameter C0161 holds the active trip error code, and parameters C0168 and C0169 maintain an internal fault history buffer for secondary troubleshooting.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED | Red - Solid | TRIP active / Fault state. Drive output disabled due to error condition. |
| Green LED | Green - Solid | Operation / Ready. Drive controller enabled and operating normally. |
| Yellow LED | Yellow - Solid | Warning or Controller Inhibit (IMP) active. |
Replacement and Spare Part Considerations
When replacing a Lenze 00408452 (EVS9323-ES), ensure that the replacement hardware matches the power rating (1.5 kW) and continuous current rating (3.9 A). Physical alignment, main terminal connection layout, and feedback terminal wiring on X7 or X8 must be verified prior to energizing the unit.
A replacement drive cannot run directly out of the box without transferring the machine configuration. Ensure that any option card installed in the Automation Slot—such as a PROFIBUS-DP or EtherCAT module—is transferred to the new unit. The target drive must then be programmed with the correct parameter profile using Keypad XT or GDC software to align motor parameters, feedback types, and CAN bus node addresses with the main controller.
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 extreme overcurrent on motor phase outputs. | Short circuit in motor cable, short circuit in motor windings, excessive acceleration ramp. | Check motor and motor cables for insulation faults or short circuit. Increase acceleration time. |
| OC2 | Earth Fault | Ground fault / earth fault detected on output lines. | Earth fault in motor cable or motor, excessive cable capacitance. | Check motor winding insulation to earth, check cable length and shielding. |
| OC5 | Ixt Overload | Drive overload integrator limit reached (150% output current limit exceeded). | Continuous overload, mechanical blockage, incorrect motor data. | Check mechanical load and motor sizing, check duty cycle. |
| OU | Overvoltage DC Bus | DC bus voltage exceeds upper safety limit (approx. 770 V DC). | Regenerative energy during deceleration too high, brake chopper non-functional or brake resistor open circuit. | Extend deceleration time, connect or check brake chopper / external brake resistor. |
| LU | Undervoltage DC Bus | DC bus voltage dropped below threshold limit. | Mains supply voltage drop, phase loss on AC line supply, line supply failure. | Check AC line voltage, check main switch, line fuses, and supply wiring. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeds maximum allowed limit (>90 °C). | Insufficient cooling airflow, ambient temperature too high, fan failure, dirty heatsink. | Clean heatsink, ensure adequate cabinet ventilation, check drive fan function. |
| OH4 | Motor Overtemperature (PTC) | Motor thermistor/PTC switch tripped on terminal X10. | Motor overheating due to excessive load, motor fan blocked or failed. | Allow motor to cool, reduce load, check motor external cooling fan. |
| OH7 | Motor Overtemperature (KTY) | Motor temperature sensor (KTY84) exceeded trip threshold. | Motor thermal overload. | Check motor loading and cooling system. |
| CE0 | Automation Slot Communication Error | Communication failure between drive control board and optional interface module. | Interface module poorly seated, fieldbus master stopped, bus interruption. | Verify module insertion in Automation Slot, check fieldbus cable connection. |
| CE1 | System Bus (CAN) Error | System bus communication error or Bus Off condition on CAN interface X4. | CAN bus cable defect, incorrect baud rate, missing line termination resistor. | Check CAN wiring, bus termination (120 Ohm), and node address setting. |
| EER | EEPROM Error | Non-volatile memory access fault or corrupt parameter set. | Power failure during save procedure, defective memory chip. | Reload factory default settings and re-commission. Internal hardware fault — return unit for repair if persistent. |
| H05 | Hardware Fault | Internal controller hardware error detected during self-test. | Defective internal control board or power section components. | Internal hardware fault — return unit for repair or replace device. |
| Sd1 | Resolver Fault | Signal error or broken wire on resolver input X7. | Resolver cable disconnected, defective resolver sensor, bad shielding. | Check resolver connection cable X7, verify shielding and grounding. |
| Sd2 | Resolver Track Fault | Resolver signal pattern fault. | Broken wire on resolver channel or loose connection. | Inspect resolver wiring and pin assignments. |
| Sd3 | Incremental Encoder Fault | Encoder signal track failure on encoder input X8. | Interrupted track A, B, or Z on encoder feedback line. | Check encoder wiring on X8, test encoder supply voltage. |
| Sd5 | Absolute Encoder Fault | Serial communication error with absolute encoder (EnDat/SSI). | Cable fault, incorrect encoder protocol configuration in C0025. | Check SSI/EnDat encoder wiring and parameter set. |
| LP1 | Mains Phase Failure | One of the three input mains voltage phases is missing. | Blown mains fuse, loose phase connection on X1 terminal. | Check line supply voltages and input line fuses. |
| NMAX | Overspeed | Motor actual speed exceeded maximum limit set in C0596. | Incorrect speed controller tuning, driving load overhauling motor. | Check speed feedback parameters and load torque dynamics. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze EVS9323-ES drive?
Parameter sets can be transferred by saving the configuration from the original drive using Global Drive Control (GDC) PC software or by copying parameter profiles onto a Keypad XT (EMZ9371BC) operator module, which can then load the data into the replacement unit's non-volatile EEPROM.
Which motor feedback systems are compatible with the 00408452 drive?
The drive features dedicated connections for standard resolvers (terminal X7), incremental encoders (terminal X8), and absolute encoders supporting SSI or EnDat protocols.
What does a solid red LED on the front panel indicate?
A solid red LED indicates an active TRIP state. This fault condition disables the drive's output power stage to protect the hardware and attached motor. The specific error code can be read using parameter C0161 via Keypad XT or GDC.
Can I add fieldbus communication to the EVS9323-ES drive?
Yes, fieldbus integration is achieved by inserting optional communication modules into the front Automation Slot. Supported modules include PROFIBUS-DP (EMF2133IB / EMF2131IB), EtherCAT (EMF2192IB), and LECOM RS-232/RS-485 (EMF2102IB).
What causes an OC1 fault code and how is it resolved?
An OC1 code indicates a short circuit or extreme overcurrent on the motor phases. Inspect the motor power cables and motor windings for insulation failure or phase-to-phase shorts, and verify that the acceleration ramp times in the configuration are not excessively steep.
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