Lenze 13323956 EVS9323-EP 9300 Servo Positioning Drive
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Product Information
The Lenze 13323956 EVS9323-EP is a 1.5 kW servo drive from the Lenze 9300 Servo series, engineered for precise motion control in multi-axis positioning systems, electronic cams, packaging machinery, and material handling lines. Operating on a nominal 3-phase 400 V AC power supply with an allowable range from 320 to 528 V AC, this compact drive provides a continuous output current of 3.9 A and a 150% peak overload capacity reaching 5.8 A. Utilizing field-oriented vector control across an output frequency range from 0 to 480 Hz, the integrated EP positioning controller executes local position profiles, homing routines, and indexing movements directly on the drive, relieving central PLCs from high-speed motion processing tasks. The unit is housed in an IP20 enclosure designed for cabinet installation with switching frequencies up to 8 kHz.
For system connectivity, the EVS9323-EP includes an integrated CAN system bus interface along with standard resolver feedback inputs and flexible digital input/output channels. The drive features an Automation Interface (AIF) slot that supports plug-in network communication cards, such as the EMF2133IB or EMF2131IB PROFIBUS modules, as well as INTERBUS and serial LECOM adapters. Commissioning a replacement unit is streamlined through a removable 9300 Series plug-in memory module, which stores parameter sets and positioning table data for direct transfer into new hardware without requiring software tools or a PC. Parameter adjustments and configuration backups can also be executed using Lenze Global Drive Control (GDC) software via an EMF2177IB or EMF2173IB USB system bus adapter, or directly using an EMZ9371BC keypad module. ABC Industrial Parts can assist in sourcing fully tested replacement units and compatible modules to ensure exact configuration matching during hardware swaps.
Onboard diagnostics are provided via bright LED indicators, including a solid green DRIVE READY indicator and a red TRIP / FAULT status LED. Detailed fault analysis is available through the EMZ9371BC handheld keypad display, Global Drive Control diagnostic windows, system bus registers C0161 and C0168, or the TRIP digital output relay contact. Initial troubleshooting should include verifying the 3-phase mains supply across terminals L1, L2, and L3, checking motor wiring and earth insulation, verifying resolver connections at terminal X10, and confirming the 120 Ohm termination resistors on the CAN bus network. When the drive signals internal control board defects or power stage damage—such as trip code H05 or persistent OC1 overcurrent errors with the motor disconnected—field repairs are not practical, and replacing the drive with a tested unit from ABC Industrial Parts offers the quickest path to restoring production line operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 13323956 |
| Model / Type | EVS9323-EP |
| Product Family | 9300 Servo |
| Component Type | Servo Drive |
| Rated Power | 1.5 kW |
| Nominal Supply Voltage | 400 V AC |
| Supply Voltage Range | 320 - 528 V AC |
| Continuous Output Current | 3.9 A |
| Peak Output Current | 5.8 A |
| Switching Frequency | 8 kHz |
| Output Frequency Range | 0 - 480 Hz |
| Control Method | Field-oriented vector control / Position control |
| Enclosure Rating | IP20 |
Programming and Configuration
The Lenze 13323956 EVS9323-EP servo drive utilizes Lenze Global Drive Control (GDC) PC software for full system configuration, parameterization, and diagnostic monitoring. Connection to a host computer is accomplished via the system bus using adapters such as the EMF2177IB or EMF2173IB USB system bus adapter. Through GDC, engineers can program local positioning profiles, edit speed loop gains, and set up homing functions.
Local parameter adjustments and status monitoring can also be performed directly on the hardware using the optional EMZ9371BC keypad module. Parameter management is simplified by a removable 9300 Series plug-in memory module. This module stores all operating parameters and motion profiles, allowing complete configuration recovery and rapid drive duplication without requiring a direct PC link.
Communication and System Integration
The EVS9323-EP incorporates an integrated CAN system bus interface designed for high-speed inter-drive communication and synchronized multi-axis control. Proper network integration requires standard CAN wiring with 120 Ohm bus termination resistors installed at both physical ends of the network trunk.
In addition to the onboard CAN bus, the unit features an Automation Interface (AIF) expansion slot. This slot accommodates optional plug-in network modules, including the EMF2133IB and EMF2131IB PROFIBUS-DP cards, as well as INTERBUS and serial LECOM communication modules. This flexible interface architecture allows the drive to integrate smoothly into higher-level PLC networks and supervisory control systems.
Diagnostics and Status Indication
Diagnostic monitoring on the Lenze EVS9323-EP relies on physical status LEDs and digital diagnostic output channels. A solid green DRIVE READY LED confirms that the drive is energized and ready for operation, while a solid or flashing red TRIP / FAULT LED signals an active fault condition requiring attention.
Detailed fault logging and diagnostic data can be retrieved using the EMZ9371BC keypad module or by reading system bus diagnostic registers C0161 and C0168. Additional fault signaling is accessible via the drive's configurable TRIP relay digital output contact and through diagnostic status windows inside the Global Drive Control PC software.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid | Drive ready for operation |
| TRIP / FAULT | Red - Solid or Flashing | Drive trip or active fault condition detected |
Replacement and Spare Part Considerations
When replacing a failed Lenze EVS9323-EP drive with part number 13323956, verify that the replacement hardware matches the power rating, voltage specification, and control board variant. The integrated plug-in memory module from the original drive should be transferred directly to the replacement unit, transferring all drive parameters, positioning sequences, and motion profiles without manual re-entry or programming tools.
Ensure that any plug-in AIF modules, such as PROFIBUS or LECOM communication cards, are transferred carefully to the replacement unit's AIF slot. Verify physical wiring, including the 3-phase AC input on terminals L1, L2, and L3, motor output phases, resolver feedback connections at terminal X10, and CAN bus line termination resistors before re-energizing the system.
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 at the motor output terminals or inside the power output stage. | Motor cable short circuit between phases, motor winding short circuit, output stage hardware defect. | Check motor cable and terminal connections. Measure motor phase resistance. If error persists with motor disconnected, internal power stage is defective and requires service. |
| OC2 | Earth Fault / Ground Fault | Earth current detected on motor output channels exceeding safety threshold. | Motor winding insulation failure to ground, damaged motor cable insulation, excessive cable capacitance. | Check motor lead insulation resistance to earth with a megohmmeter. Inspect power cable for degradation. |
| OC5 | Overcurrent during Acceleration | Motor current exceeded acceleration limit threshold during acceleration ramp. | Acceleration time set too short, mechanical overload/jam, incorrect motor data or slip compensation. | Increase acceleration time ramp. Check mechanical drive train for binding or blockage. |
| OU | DC Bus Overvoltage | Intermediate DC circuit voltage exceeded maximum threshold level. | Excessive regenerative energy during deceleration, deceleration ramp time too short, braking resistor not connected or defective. | Extend deceleration time ramp. Verify external braking resistor connection and resistance value. |
| LU | DC Bus Undervoltage | Intermediate DC circuit voltage dropped below lower operation threshold. | Mains supply failure, low line supply voltage, blown supply line fuse, excessive voltage drop during heavy load. | Check 3-phase mains supply voltage and line fuses. Verify incoming power quality. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeded upper temperature limit. | Control cabinet cooling inadequate, heatsink fins clogged with dust, internal fan defective or stalled, ambient temperature too high. | Clean heatsink cooling fins. Verify cabinet ventilation and drive fan operation. Allow unit to cool down. |
| OH4 | Motor Overtemperature | Motor temperature sensor or thermal switch triggered active fault. | Motor thermal overload, thermal contact open circuit, thermal sensor disconnected or miswired. | Allow motor to cool down. Check mechanical load and motor cooling fan. Verify sensor connection at X10 terminals. |
| OH7 | Interior Overtemperature | Internal control board ambient temperature exceeded internal limit. | Ambient temperature inside control cabinet exceeds specified operating limits. | Improve control cabinet cooling and air circulation. |
| CE0 | AIF Communication Fault | Communication interruption between main controller board and optional AIF module. | Fieldbus cable disconnected, AIF module improperly seated, fieldbus master offline or timeout. | Verify AIF module connection. Check bus cabling, baud rates, and master status. |
| CE1 | CAN System Bus Communication Fault | Communication error on integrated CAN System Bus. | CAN bus line interruption, missing terminating resistors (120 Ohm), baud rate mismatch, high bus traffic/interference. | Check CAN wiring, bus termination resistors at line ends, and node ID settings. |
| NMAX | Overspeed | Motor actual speed exceeded maximum allowed speed limit (NMAX). | Speed controller parameter instability, loose feedback encoder coupling, external mechanical driving torque. | Check resolver/encoder mechanical mounting and signal cables. Tune speed loop gains. |
| H05 | Internal Hardware Fault | Control electronics internal system error detected during self-test or operation. | Internal processor or memory corruption, control circuit component failure. | Internal hardware fault — power cycle drive. If fault persists, replace unit or contact Lenze service. |
| P12 | Parameter Set / Memory Fault | Error during reading or writing parameter set from/to memory module or EEPROM. | Memory module missing, unformatted, defective, or removed during write cycle. | Ensure memory module is seated firmly. Reload factory default setting or replace memory module. |
| LP1 | Mains Phase Failure | Failure or severe imbalance detected across AC mains input phases. | One input phase missing, blown line fuse, severe line voltage asymmetry. | Check line fuses and incoming 3-phase mains voltages at power terminals L1, L2, L3. |
| EEr | External Fault | Fault triggered via assigned digital input configured for external error signaling. | External monitoring device (e.g. safety relay, external thermal switch) tripped. | Check connected external fault circuit connected to the digital input. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze EVS9323-EP drive?
Parameter transfer can be completed without software tools by transferring the original drive's removable 9300 Series plug-in memory module into the replacement hardware. Alternatively, parameters can be uploaded and restored using Lenze Global Drive Control (GDC) software and a USB system bus adapter.
What communication interfaces are supported on the EVS9323-EP?
The drive comes standard with an integrated CAN system bus interface. Optional communication protocols including PROFIBUS-DP (via EMF2133IB or EMF2131IB modules), INTERBUS, and serial LECOM can be added using the integrated Automation Interface (AIF) expansion slot.
What does fault code H05 indicate on the drive?
Fault code H05 indicates an internal hardware fault detected during control electronics self-tests or normal operation. If power cycling the drive does not clear the error, the internal control circuitry is defective and the drive must be repaired or replaced.
What input supply voltage does the EVS9323-EP require?
The drive operates on a nominal 3-phase supply voltage of 400 V AC, with an allowable input range from 320 V AC to 528 V AC.
What feedback devices can be connected to the EVS9323-EP?
The EVS9323-EP supports standard resolver feedback interfaces as well as incremental master frequency encoders.
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