Lenze E94ASHE0074 Single Drive HighLine 9400 Servo Drive
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Product Information
The Lenze E94ASHE0074 is a panel-mounted single-axis servo drive from the 9400 HighLine series, engineered for high-dynamic multi-axis servo positioning, synchronized motion control in packaging machinery, and precision indexing in automated production environments. Operating on a 3-phase mains supply voltage range from 320 V to 528 V AC, this unit supplies a rated output power of 3.0 kW and a continuous output current of 7.3 A at an 8 kHz switching frequency. To handle demanding acceleration cycles in material handling and converting machinery, the drive provides a 200% peak overload output current rating of 14.6 A alongside a maximum output frequency of 599 Hz.
Connecting the drive within a control cabinet involves dual onboard motor feedback connections and modular system expansion interfaces. Dedicated physical connectors support a wide range of feedback systems, including a 9-pin Sub-D connector for resolver feedback and a 15-pin Sub-D multi-encoder interface for Sin/Cos, Hiperface, EnDat 2.1/2.2, and incremental encoders. Commissioning a spare unit in an existing installation is simplified by the pluggable E94AYM memory module, which stores all operational drive parameters, custom logic programs, and calibration settings. Swap-in drive replacement can be accomplished without external software tools, while technical support from ABC Industrial Parts can assist when parameter extraction or card backup management is required.
Operational status and system errors are indicated directly through four front-mounted LEDs that display drive readiness, trip conditions, and onboard CANopen bus activity. Primary field checks during troubleshooting involve measuring 3-phase supply stability, verifying intermediate DC bus voltage levels, and checking feedback cabling on connectors X7 and X8. If persistent overcurrent or internal power module trips occur with the motor disconnected, internal hardware failure is indicated, making module replacement or a tested exchange unit from ABC Industrial Parts the quickest route to restoring machine operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E94ASHE0074 |
| Model / Type | Single Drive HighLine |
| Product Family | 9400 Servo Drives |
| Component Type | Servo Drive |
| Rated Power | 3.0 kW |
| Rated Output Current | 7.3 A |
| Peak Output Current | 14.6 A |
| Supply Voltage Range | 320 - 528 V AC |
| Switching Frequency | 8 kHz |
| Max Output Frequency | 599 Hz |
Programming and Configuration
The Lenze E94ASHE0074 HighLine servo drive incorporates flexible motion control features configured through Lenze Engineer software. Operating parameters and user-defined function block applications are customized within the software environment, allowing tailored control logic for dynamic positioning and multi-axis synchronization.
All parameter sets, custom program structures, and motor calibration data are written to the removable Lenze E94AYM memory module. Because the complete configuration resides on this hardware card, drive replacements do not require online programming or software tools when transferring an existing memory card into a donor unit.
Communication and System Integration
System network integration on the E94ASHE0074 relies on an integrated onboard CANopen system bus alongside expansion card options. The onboard CAN bus handles inter-drive communication and control command exchange, maintaining operational states monitored by front diagnostic indicators.
For integration into broader plant control architectures, modular communication slots accept option cards such as the Lenze E94AYAET EtherCAT module or the E94AYCER PROFINET module. Additional supported fieldbus options include PROFIBUS-DP and EtherNet/IP networks. Dual encoder interfaces on connectors X7 and X8 provide simultaneous connection paths for primary motor feedback and secondary path positioning.
Diagnostics and Status Indication
Real-time diagnostic visual checks are performed using the four status LEDs located on the front panel of the drive. These indicators provide clear feedback regarding power readiness, active trip conditions, and CANopen network operational states.
Detailed troubleshooting and system analysis are conducted via EASY Starter diagnostic software or the real-time oscilloscope and status panel within Lenze Engineer software. Internal error conditions and fault occurrences are logged directly to the fault history buffer stored on the E94AYM memory module.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid / Off | Green steady indicates drive is operational and ready for enable. Off indicates internal error or missing 24V supply. |
| DRIVE ERROR | Red - Flashing / Solid | Active trip condition or hardware fault present. |
| CAN RUN | Green - Solid / Flashing | Indicates onboard CANopen bus state (Pre-operational or Operational). |
| CAN ERR | Red - Solid / Flashing | CAN bus communication error or bus-off condition. |
Replacement and Spare Part Considerations
When replacing an E94ASHE0074 drive, transferring the physical E94AYM memory module from the existing unit to the spare component automatically restores parameter values, function block logic, and network node configurations without necessitating software reconnection.
Verify that all optional expansion cards—such as the E94AYAET EtherCAT module, E94AYCER PROFINET card, or Safe Torque Off (STO) safety modules—are transferred to the matching slots on the replacement chassis. Ensure that external feedback cabling and 120-ohm CAN bus termination resistors are correctly seated prior to powering up the system.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| 0x00010001 | Short circuit / Overcurrent (OC1) | Output stage power transistor overcurrent or motor line short circuit. | Short circuit in motor cable or winding, ground fault, acceleration ramp too short. | Check motor wiring and insulation. Verify acceleration times. If fault persists with motor disconnected, power module is defective. |
| 0x00010005 | Heatsink Overtemperature (OH) | Drive heatsink temperature exceeded upper limit. | Cabinet fan failure, blocked airflow, high ambient temperature, continuous overload. | Clean heatsink, verify cabinet ventilation, check ambient temperature and operational duty cycle. |
| 0x00010008 | Motor I²t Thermal Overload | Calculated motor thermal load limit reached. | Extended operation at high torque/low speed, incorrect motor parameterization. | Allow motor to cool down. Review duty cycle and motor parameter settings. |
| 0x0001000B | DC Bus Undervoltage (LU) | Intermediate circuit DC bus voltage fell below minimum threshold. | Mains supply phase failure, low input voltage, blown supply fuse. | Measure 3-phase mains voltage, inspect line fuses and line contactor. |
| 0x0001000C | DC Bus Overvoltage (OU) | Intermediate circuit DC bus voltage exceeded maximum safety limit. | High regenerative energy during deceleration, brake resistor missing or open circuit. | Increase deceleration ramp time, check external braking resistor and brake chopper. |
| 0x00010010 | Encoder System Fault | Feedback signal loss or encoder communication failure on X7/X8 connector. | Defective encoder cable, loose connector contact, missing encoder supply. | Inspect encoder cable and shield connections. Replace feedback cable or encoder if error persists. |
| 0x00010020 | Safety Module / STO Error | Discrepancy or fault detected in safety circuit / STO module. | Safety channel signals asynchronous, defective safety module. | Verify dual-channel safety wiring. Replace safety extension module if internal failure persists. |
| 0x00010030 | CAN Communication Timeout | System bus communication failure or lost PDO frames. | Damaged CAN cable, missing 120-ohm termination resistor, baud rate mismatch. | Check CAN cabling, bus termination resistors, and node address settings. |
Frequently Asked Questions
How do I transfer drive parameters when replacing an E94ASHE0074 drive?
Parameters and function block programs are stored on the pluggable Lenze E94AYM memory module. Moving the existing memory module into the replacement drive restores exact parameters without requiring software tools.
What motor feedback interfaces are supported on this unit?
The E94ASHE0074 features two built-in feedback interfaces: a 9-pin Sub-D connector for resolver signals and a 15-pin Sub-D multi-encoder connector supporting Sin/Cos, Hiperface, EnDat 2.1/2.2, and incremental feedback.
Which fieldbus options can be added to the drive?
In addition to the integrated CANopen system bus, communication slots accommodate modular fieldbus cards including EtherCAT (E94AYAET), PROFINET (E94AYCER), PROFIBUS-DP, and EtherNet/IP.
What does a solid red DRIVE ERROR light indicate?
A solid or flashing red DRIVE ERROR LED indicates an active trip condition or internal hardware fault, such as an overcurrent event, temperature limit overrun, or power module error.
What action is required if fault code 0x00010001 appears?
Fault 0x00010001 indicates an output stage overcurrent or short circuit. Check motor cabling, motor insulation, and acceleration ramps. If the error persists with the motor disconnected, the internal power module is defective.
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Data backup and recovery
Have you lost valuable parameters or data due to a malfunction while the manufacturer no longer provides support? At ABC Industrial Parts, we help you secure this data, both for common and specific products.
Specific firmware and hardware versions
If you are working with specific hardware or firmware versions that are no longer available from the manufacturer, ABC Industrial Parts is your partner. When making your enquiry, clearly state which versions you need, we will then look at the possibilities of supplying those versions, so that your installations continue to function optimally.
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