Lenze E94ASHE0024 Single Drive HighLine Servo Drive
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Product Information
The Lenze E94ASHE0024 Single Drive HighLine is a 0.75 kW servo drive within the L-force Servo Drives 9400 product family, designed for dynamic motion control and multi-axis industrial applications. Operating on a 3-phase AC input supply ranging from 323 V AC to 528 V AC, this compact drive provides a continuous output current of 2.5 A at 400 V AC (2.0 A at 500 V AC) and delivers up to 5.0 A peak output current during dynamic acceleration phase requirements. Supporting output frequencies from 0 Hz to 599 Hz with a nominal switching frequency of 4 kHz, the unit is constructed for panel or cold-plate cabinet installation to drive electronic gearboxes, positioning tables, and continuous material tensioning systems across packaging, logistics, and textile equipment.
Network integration and feedback processing are centrally built into the device architecture. The drive includes an onboard CANopen system bus alongside two modular expansion slots for installing fieldbus communication cards such as PROFINET (E94AYCER), EtherCAT (E94AYCET), PROFIBUS (E94AYCPM), or EtherNet/IP (E94AYCEI). A versatile feedback interface supports Resolvers, SinCos, Hiperface, SSI, and incremental encoders, while local system control is handled via 8 digital inputs, 4 digital outputs, 2 differential analog inputs, and 2 analog outputs. Commissioning a spare unit relies on the pluggable Lenze 9400 Memory Module architecture (MM200, MM300, or MM400), which stores all drive parameters, motion functions, and configuration files. Swapping the memory module into replacement hardware enables zero-software parameter transfer on site, with ABC Industrial Parts available to assist with component verification and donor card data handling.
Operational status and bus activities are monitored through dedicated front-panel LEDs, including DRIVE READY, DRIVE ERROR, CAN RUN, and CAN ERR indicators. Detailed diagnostic entries are recorded in a timestamped logbook saved directly to the removable memory module. Additional system monitoring is accessible remotely via CANopen and fieldbus networks, or locally using an optional Keypad XT (E94AZKAE) and EASY Starter PC software connected through a USB adapter (E94AZCUS). Initial troubleshooting on site should confirm supply voltage stability, motor phase wiring integrity, encoder cable shield grounding, and secure seating of the memory card in Slot M. If self-tests report internal hardware failure or output short-circuit states, internal hardware errors are not field-serviceable; replacing the unit or selecting a tested exchange drive from ABC Industrial Parts provides a rapid return to operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E94ASHE0024 |
| Model / Type | Single Drive HighLine |
| Product Family | L-force Servo Drives 9400 |
| Component Type | Servo Drive |
| Rated Power | 0.75 kW |
| Supply Voltage Range | 323 V AC - 528 V AC |
| Continuous Output Current (400V) | 2.5 A |
| Continuous Output Current (500V) | 2.0 A |
| Peak Output Current | 5.0 A |
| Nominal Switching Frequency | 4 kHz |
| Output Frequency Range | 0 Hz - 599 Hz |
| Digital I/O | 8 Inputs / 4 Outputs |
| Analog I/O | 2 Inputs (Differential) / 2 Outputs |
| Onboard System Bus | CANopen |
| Mounting Format | Cabinet installation / Panel mount / Cold-plate |
Programming and Configuration
Engineering and motion profiling for the Lenze E94ASHE0024 are carried out using Lenze L-force Engineer or EASY Starter software toolsets. Connected through an optional USB adapter (E94AZCUS) or over an active fieldbus connection, these tools provide access to drive application function blocks, including electronic gearbox profiles, synchronous multi-axis motion curves, and continuous spooling or winding algorithms.
All application code, drive parameters, and axis identity datasets are stored directly on a pluggable Lenze 9400 Memory Module (MM200, MM300, or MM400) situated in Slot M. Field technicians can format or re-write memory module contents within EASY Starter during commissioning. In service scenarios, transferring the physical memory card to another drive hardware unit duplicates the full application environment without needing software tools or laptop connections on the factory floor.
Communication and System Integration
The E94ASHE0024 servo drive is equipped with an onboard CANopen system bus interface for system-wide network communication, master-slave motion synchronization, and real-time data transfer. For broader fieldbus architecture integration, the hardware provides two option slots that accept pluggable expansion cards, including PROFINET (E94AYCER), EtherCAT (E94AYCET), PROFIBUS (E94AYCPM), and EtherNet/IP (E94AYCEI).
Peripheral equipment and safety devices connect directly via onboard terminal interfaces. The physical interface includes 8 digital inputs, 4 digital outputs, 2 differential analog inputs, and 2 analog outputs. Motion feedback compatibility encompasses Resolvers, SinCos, Hiperface, SSI, and incremental encoder signals, while dedicated safety functions can be integrated by adding the optional E94AYAE STO (Safe Torque Off) safety module into the designated slot.
Diagnostics and Status Indication
Visual status indication on the Lenze E94ASHE0024 is provided by four front-panel LEDs that display current operating conditions and network activity. An onboard diagnostic logbook stored within the memory module automatically logs fault events and warnings with accurate time references for root-cause troubleshooting.
Detailed diagnostic parameters are accessible remotely across the CANopen system bus or fieldbus extension modules. For local diagnosis at the control cabinet, engineers can connect the optional Keypad XT (E94AZKAE) for live parameter monitoring or connect EASY Starter software via the USB adapter (E94AZCUS) to read fault logs and perform guided signal checks.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid / Flashing / Off | Solid Green: Inverter is operational and ready for enable. Flashing Green: Inverter in initialize or inhibited state. Off: Power supply missing or internal fault. |
| DRIVE ERROR | Red - Solid / Flashing | Solid Red: Unacknowledged active fault or hardware failure requiring repair. Flashing Red: Active warning condition. |
| CAN RUN | Green - Solid / Flashing | Indicates operational or pre-operational status of onboard CANopen bus. |
| CAN ERR | Red - Solid / Flashing | CANopen bus error, collision, or bus-off state. |
Replacement and Spare Part Considerations
When replacing a failed Lenze E94ASHE0024, verify that the replacement drive matches the required electrical ratings (0.75 kW power, 2.5 A output current at 400 V, 323 V to 528 V AC input voltage). Because parameter datasets and application functions are bound to the removable memory card, swapping the memory card from Slot M into the spare hardware restores machine configuration without downloading software files.
Before applying mains power, transfer all installed option cards—including any communication module (E94AYCER, E94AYCET, E94AYCPM, or E94AYCEI) and the E94AYAE STO safety module—to the replacement drive. Ensure motor feedback cables, power terminals, and control wiring match the original connections, and verify that the memory module is fully seated in Slot M.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| 0x00110001 | System fault / Hardware error | Internal hardware failure detected during self-test or operation. | Internal component failure or power board fault. | Internal hardware failure — replace the unit or return to Lenze service for repair. |
| 0x00510000 | Heatsink overtemperature error (OH) | Heatsink temperature exceeds maximum allowed threshold. | Ambient temperature too high, cooling fan blocked or defective, insufficient cabinet clearance, excessive continuous overload. | Check cabinet ventilation and cooling fans; reduce ambient temperature or duty cycle. |
| 0x00520000 | Motor overtemperature error (OH4 / OH7) | Motor temperature sensor evaluation indicates motor overheating. | Motor thermal overload, incorrect motor temperature sensor parameterization, sensor wire break. | Check motor load and cooling; verify motor sensor connections and parameters. |
| 0x00610000 | DC-bus overvoltage (OU) | DC-bus voltage exceeded maximum trip level. | Excessive regenerative energy during deceleration, braking chopper non-functional, brake resistor not connected or wrong value, deceleration time too short. | Check braking resistor circuit, extend deceleration time, or verify mains supply voltage. |
| 0x00620000 | DC-bus undervoltage (LU) | DC-bus voltage dropped below minimum operating limit. | Mains supply power outage, mains voltage too low, line fuse blown, power supply interruption. | Check mains voltage supply and line fuses. |
| 0x00710000 | Motor phase failure / Open circuit | One or more motor output phases disconnected. | Loose motor cable, contactor open in motor leads, motor winding open circuit. | Check motor wiring and motor connections. |
| 0x00720000 | Short circuit / Earth fault (OC1 / OC2) | Overcurrent detected in output stage or earth fault. | Short circuit between motor phases, earth fault in motor cable or motor, output stage hardware fault. | Check motor cable and motor insulation. If fault persists with motor cable disconnected, internal hardware is damaged — return unit for repair. |
| 0x00810000 | Encoder fault / Feedback error | Encoder signal loss or communication fault with feedback system. | Defective encoder cable, encoder wiring disconnected, corrupted encoder signals, incorrect encoder parameter setup. | Check encoder cable connection, shield grounding, and encoder setup in drive parameters. |
| 0x00A10000 | Memory Module Error | Memory module in Slot M missing, corrupted, or incompatible. | Memory module not properly inserted, file structure damaged, memory card corrupted. | Re-insert memory module into Slot M. Format/re-write memory module using EASY Starter software or replace module. |
| 0x00B10000 | Safety Module Fault | Fault detected in installed safety module or safety circuit. | STO input signals channel discrepancy, wire break on safety inputs, safety module internal error. | Check safety signal inputs and wiring. If internal safety module test fails, replace safety module. |
Frequently Asked Questions
How are parameters transferred when replacing a Lenze E94ASHE0024 drive?
All parameter datasets and application configurations reside on the removable Lenze 9400 Memory Module (MM200, MM300, or MM400) in Slot M. Swapping this memory card directly into a replacement drive transfers the complete configuration without connecting a computer.
What encoder feedback interfaces are supported on the E94ASHE0024?
The drive includes integrated feedback inputs supporting Resolvers, SinCos, Hiperface, SSI, and incremental encoder systems.
Can I add PROFINET or EtherCAT to an E94ASHE0024 servo drive?
Yes. The drive features built-in CANopen and includes two extension slots that accept optional pluggable fieldbus cards, including PROFINET (E94AYCER), EtherCAT (E94AYCET), PROFIBUS (E94AYCPM), and EtherNet/IP (E94AYCEI).
What action should be taken if the drive displays error code 0x00110001?
Fault code 0x00110001 indicates an internal hardware failure detected during self-tests or operation. If restarting the drive does not clear the error, the unit requires board-level repair or replacement.
What causes fault code 0x00610000 (DC-bus overvoltage) and how is it resolved?
Code 0x00610000 occurs when excessive regenerative energy drives the DC bus above operating limits. Resolution steps include checking the braking resistor circuit, extending deceleration ramp times, and checking mains supply voltage levels.
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