Lenze 13481756 EVS9323-EP 9300 Servo Positioning Drive
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Product Information
The Lenze 13481756 EVS9323-EP is a 3.0 kW servo positioning controller drive belonging to the Lenze 9300 Servo family. Designed for multi-axis automated positioning and high-accuracy electronic gearboxes, this unit operates from a 3-phase AC supply voltage range of 320 V AC to 528 V AC. It provides a rated continuous output current of 7.0 A with an output voltage range from 0 V AC to 480 V AC, supporting peak overload currents up to 10.5 A for 60 seconds. By integrating power electronics, dynamic positioning control, and resolver evaluation into a single compact housing, the drive reduces panel space requirements in packaging, material handling, automotive assembly, and printing machinery.
To interface with control systems and field equipment, the EVS9323-EP includes 8 freely programmable digital inputs, 4 digital outputs, 2 differential analog inputs, and 2 analog outputs. Integrated CANopen communication via the Lenze System Bus handles rapid inter-drive synchronization and PLC networking. Multi-protocol options are supported through the Automation Interface slot, which accommodates plug-in modules such as PROFIBUS-DP (EMF2133IB), DeviceNet (EMF2175IB), INTERBUS (EMF2113IB), RS-232/485 LECOM adapters, or an EMZ9371BC keypad module. Commissioning a replacement unit requires parameter setup via Lenze Global Drive Control software version 4.x or higher. Parameter transfer can also be completed using the keypad memory module to copy configuration data without a programming PC. ABC Industrial Parts can support maintenance teams requiring replacement drives or parameter transfer guidance.
System status and operational readiness are indicated through dedicated front-panel status LEDs. A solid green LED indicates that power is ready and operation is enabled, while a solid or flashing red LED signifies an active TRIP fault or warning condition. Detailed diagnostic codes and trip histories can be accessed using the EMZ9371BC keypad display, Global Drive Control diagnostic windows, or fieldbus registers over CAN bus. Basic troubleshooting steps include checking the 3-phase input supply lines, verifying brake chopper and resistor operation, confirming 120-ohm CAN bus line termination on terminal X4, and inspecting motor thermal contacts on terminals T1/T2. When internal hardware faults such as EEPROM failure or power stage trips persist, board-level failures are not field-serviceable, and exchanging the unit with a tested spare from ABC Industrial Parts offers a fast path to restoring production.
Technical Specifications
| Rated Power | 3.0 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Continuous Current | 7.0 A |
| Maximum Peak Current | 10.5 A (for 60 seconds) |
| Output Voltage Range | 0 - 480 V AC |
| Maximum Output Frequency | 480 Hz |
| Switching Frequency | 8 kHz |
| Digital Inputs | 8 freely programmable |
| Digital Outputs | 4 |
| Analog Inputs | 2 differential |
| Analog Outputs | 2 |
| Integrated Fieldbus | CANopen / Lenze System Bus |
Programming and Configuration
The Lenze EVS9323-EP servo positioning controller relies on Global Drive Control (GDC) software version 4.x or higher for full engineering, axis tuning, and oscilloscope-based diagnostics. The drive features an internal EEPROM capable of storing up to four complete parameter sets, allowing multiple operating profiles or configuration backups to reside directly on the unit.
Parameter management can also be executed without a laptop by utilizing the EMZ9371BC plug-in keypad module. Operating parameter sets stored in the internal EEPROM can be saved to the keypad and transferred directly to a replacement drive, significantly reducing commissioning time during field maintenance.
Communication and System Integration
Network connectivity is built into the EVS9323-EP via the native CANopen system bus, which uses terminal connection X4 for inter-drive synchronization, multi-axis master-slave configurations, and direct PLC command integration. Proper network performance requires 120-ohm termination resistors installed at both physical ends of the CAN bus line.
For higher-level fieldbus environments, the drive includes a modular Automation Interface (AIF) slot. This slot supports optional communication modules including PROFIBUS-DP (EMF2133IB), DeviceNet (EMF2175IB), INTERBUS (EMF2113IB), and LECOM RS-232/485 serial communication adapters.
Diagnostics and Status Indication
Operational status and fault identification on the EVS9323-EP are managed through onboard LED indicators and digital diagnostic interfaces. Status LEDs provide real-time indication of power readiness, operation state, and active TRIP errors.
Detailed trip histories and active fault codes are accessible through the display of an EMZ9371BC keypad module, the GDC software diagnostic window, or reading internal diagnostic registers across the CAN system bus or installed fieldbus network.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED | Green - Solid | Drive active / power ready / operation enabled |
| Red LED | Red - Solid or Flashing | TRIP active (Fault condition triggered drive shut-down) or warning active |
Replacement and Spare Part Considerations
When swapping a damaged drive for a spare Lenze 13481756 EVS9323-EP, verify that the model number matches exactly to ensure correct electrical power ratings and control circuit compatibility. Ensure that optional fieldbus expansion cards installed in the original Automation Interface slot (such as PROFIBUS-DP EMF2133IB) are transferred to the replacement unit.
A replacement drive must be loaded with the machine-specific parameter set before operating. This can be accomplished by plugging in the EMZ9371BC keypad module containing the backed-up parameter profile or by uploading the configuration file via Global Drive Control software version 4.x or higher over a PC link. Verify resolver feedback connections and motor thermal protection lines before enabling 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 / Overcurrent | Short circuit or excessive current detected on motor output phase. | Short circuit in motor cable, short circuit in motor windings, acceleration time parameter set too short, damaged output stage. | Check motor and wiring for short circuit or earth fault; check motor parameters; if fault persists with motor disconnected, internal hardware fault requires unit repair/replacement. |
| OC2 | Earth Fault | Ground fault / earth leakage current detected. | Earth fault in motor cable or motor insulation failure. | Inspect motor cables and insulation resistance of motor windings. |
| OU | Overvoltage DC Bus | DC bus voltage exceeded upper threshold limit. | Braking energy feedback too high during deceleration, brake chopper resistor disconnected or defective, mains input voltage too high. | Increase deceleration ramp, verify brake chopper operation and brake resistor, check input mains AC voltage. |
| LU | Undervoltage DC Bus | DC bus voltage dropped below minimum threshold limit. | Mains supply failure, phase loss on AC input supply, supply voltage too low, pre-charge circuit fault. | Check AC input voltage supply lines and fuses. |
| OH | Heatsink Overtemperature | Drive heatsink temperature exceeded allowable operating limit. | Inadequate control cabinet cooling, dirty heatsink, cooling fan failure, continuous ambient temperature too high. | Clean heat sink, check operation of internal/external cooling fan, improve cabinet ventilation. |
| OH4 | Motor Overtemperature | Motor thermal sensor triggered overtemperature fault. | Motor overload, PTC/PT100 sensor tripped, motor cooling restricted, bad temperature sensor connection on X10 terminals. | Allow motor to cool, verify mechanical load on motor, check thermal contact connections on terminals T1/T2. |
| NMAX | Speed Exceeded | Motor speed exceeded maximum allowable limit threshold. | Incorrect speed controller tuning, field-weakening instability, wrong feedback configuration. | Check speed controller gains, resolver alignment, and max speed parameter setting. |
| EER | EEPROM Fault | Non-volatile memory access or data checksum error during power up. | Internal EEPROM failure or corrupted parameter data. | Reload factory default parameters and re-download configuration. If fault persists, internal hardware fault requires board replacement. |
| H05 | Hardware Fault | Internal hardware self-test failure. | Internal control board or power section hardware failure. | Internal hardware fault — return unit for repair or replace drive. |
| CE0 | Communication Error AIF Module | Communication failure with fieldbus option module plugged in AIF slot. | Loose module connection, missing fieldbus master signal, cable disconnection. | Verify seating of option module, check fieldbus cable and bus master connection. |
| CE1 | Communication Error System Bus (CAN) | CANbus communication watchdog timeout on System Bus interface. | CAN bus wire interruption, missing bus termination resistor, baud rate mismatch. | Inspect CAN wiring on X4 terminals, confirm 120-ohm bus termination at line ends. |
| P12 | Positioning Following Error / Target Timeout | Positioning controller error or target position following limit exceeded. | Mechanical blockage, excessive load inertia, position loop gain parameter set too low. | Check axis mechanics for bind or overload; adjust positioning error tolerances and gain parameters in positioner configuration. |
Frequently Asked Questions
What engineering software is required to configure the Lenze EVS9323-EP?
The EVS9323-EP is configured using Lenze Global Drive Control (GDC) software version 4.x or higher. Parameters can also be transferred using an EMZ9371BC keypad module.
Can I replace an EVS9323-EP drive without using a setup PC?
Yes. If an EMZ9371BC keypad module containing a backup of the drive parameter set is available, the configuration can be transferred directly to the internal EEPROM of the replacement drive without connecting a PC.
What does a solid red LED indicate on the drive front panel?
A solid or flashing red LED indicates an active TRIP condition that has shut down the drive output, or an active warning condition. Specific fault codes can be viewed on the keypad display or via software.
Which fieldbus protocols are supported by the EVS9323-EP?
The drive includes integrated CANopen communication via the System Bus. Additional protocols such as PROFIBUS-DP, DeviceNet, INTERBUS, and RS-232/485 LECOM can be added using expansion modules in the Automation Interface (AIF) slot.
What action should be taken if fault code H05 occurs?
Fault code H05 indicates an internal hardware self-test failure on the control or power board. This condition is not field-serviceable and requires drive replacement or board repair.
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