Lenze E94ASHE0134 Single Drive HighLine Servo Controller
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Product Information
The Lenze E94ASHE0134 is a HighLine single servo drive controller from the 9400 Servo Drives family engineered for high-performance industrial motion sequences. Operating on a 3-phase AC supply voltage range of 320 V AC to 550 V AC at 45 to 65 Hz, this IP20 enclosure unit delivers a continuous rated power output of 5.5 kW and a rated current of 13 A. For demanding dynamic cycles, the drive provides a maximum peak output current of 19.5 A. Built for advanced multi-axis applications, the HighLine integrated motion software supports electronic gearboxes, multi-axis positioning synchronization, electronic cams, and customizable IEC 61131-3 soft PLC logic, delivering precision control across an output frequency range of 0 to 599 Hz at an 8 kHz carrier switching frequency.
Interfacing with machinery and field equipment is accommodated via 8 digital inputs, 4 digital outputs, 2 analog inputs, and 2 analog outputs, alongside dual Sub-D 15-pin feedback ports supporting Resolvers, SinCos, Hiperface, SSI, and Incremental encoders. System bus communication is built-in with an onboard CANopen interface, while expansion slots accept optional fieldbus cards for PROFINET (E94AYCER), PROFIBUS (E94AYCPM), EtherCAT (E94AYCET), and EtherNet/IP, as well as an STO safety module (E94AYAE). Commissioning or replacing a drive unit relies on Lenze's pluggable memory module concept (MM100, MM200, or MM300), which stores all motion parameters, logic, and motor data. Swapping the memory card directly into a replacement drive enables hardware restoration without requiring software tools, with technical support available from ABC Industrial Parts for spare unit preparation and system configuration.
Real-time status monitoring and troubleshooting are provided by front panel LED indicators for RDY (Ready), ERR (Error), CAN-RUN, and CAN-ERR, displaying drive state, active inhibits, faults, and fieldbus connection status. Diagnostic parameter readouts and internal error logbooks can be accessed using an optional E94AZKHE001 plain-text operating keypad or by connecting Lenze Engineer software via the E94AYCCA USB diagnostic adapter. Standard first-line checks include verifying 3-phase supply stability, motor power wiring, encoder cable integrity, and secure memory card seating. When internal hardware codes or board failures occur, component-level repairs or tested replacement units from ABC Industrial Parts offer a reliable path back to full production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E94ASHE0134 |
| Model / Type | Single Drive HighLine |
| Product Family | 9400 Servo Drives |
| Component Type | Servo Drive Controller |
| Rated Power | 5.5 kW |
| Rated Current | 13 A |
| Maximum Output Current | 19.5 A |
| Supply Voltage Range | 320 - 550 V AC |
| Supply Frequency | 45 - 65 Hz |
| Output Frequency Range | 0 - 599 Hz |
| Carrier Switching Frequency | 8 kHz |
| IP Protection Rating | IP20 |
| Digital I/O | 8 Inputs / 4 Outputs |
| Analog I/O | 2 Inputs / 2 Outputs |
| Onboard System Bus | CANopen |
Programming and Configuration
The Lenze E94ASHE0134 HighLine servo drive executes Motion Control software packages and customer-specific IEC 61131-3 programs internally. Project planning, drive commissioning, parameter assignment, and control loop tuning are performed using Lenze Engineer Software version 2.0 or higher. Online connection between the programming PC and the drive is established using the E94AYCCA USB diagnostic adapter connected to the drive interface.
Application data, axis parameter sets, and motor feedback profiles are stored entirely on removable MM100, MM200, or MM300 memory modules. This architecture separates hardware configuration from drive electronics. When replacing a controller, removing the memory module from the original drive and inserting it into the replacement unit automatically loads all parameters and program memory, eliminating the need to re-commission the drive via external software.
Communication and System Integration
System bus integration is provided out of the box via an onboard CANopen interface operating up to 1000 kbps, enabling high-speed multi-axis synchronization and parameter transfer across drive groups. Additionally, the drive supports common DC bus sharing configurations, allowing connected drives to exchange braking energy directly to optimize total system efficiency and lower thermal energy dissipation in the cabinet.
To interface with higher-level plant networks, the E94ASHE0134 includes expansion card slots for fieldbus communication modules. Supported option cards include E94AYCER for PROFINET, E94AYCPM for PROFIBUS, E94AYCET for EtherCAT, and EtherNet/IP cards. Integrated Safe Torque Off (STO) functionality is supported via the optional E94AYAE safety module.
Diagnostics and Status Indication
Front-panel LED status indicators provide immediate hardware and system bus diagnostic feedback. Four dedicated LEDs—RDY, ERR, CAN-RUN, and CAN-ERR—display current operating states, drive inhibit conditions, active error trips, and CANopen network status.
Enhanced diagnostic evaluation is available through an optional pluggable E94AZKHE001 operating keypad featuring a plain-text status display. Alternatively, maintenance technicians can connect Lenze Engineer software through an E94AYCCA USB diagnostic adapter to read internal drive logbooks and diagnostic parameter objects.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| RDY (Ready) | Green/Red - Solid/Flashing | Solid Green: Drive ready / power stage active. Flashing Green: Drive inhibited / initialization complete. Solid or Flashing Red: Device fault or inhibit condition active. |
| ERR (Error) | Red - Solid/Flashing/Off | Solid Red: Active fault trip. Flashing Red: Active warning condition. Off: Normal operation without active faults. |
| CAN-RUN | Green - Solid/Flashing/Off | Solid Green: CANopen system bus operational. Flashing Green: Pre-operational state. Off: Bus stopped or offline. |
| CAN-ERR | Red - Solid/Flashing/Off | Solid Red: CAN bus off / physical communication link error. Flashing Red: Error limit exceeded. Off: Normal communication. |
Replacement and Spare Part Considerations
When replacing an E94ASHE0134 drive, ensure the 5.5 kW, 13 A rating matches the original hardware specifications. To maintain system functional continuity without software configuration, transfer the existing MM100, MM200, or MM300 memory card directly into the new drive body.
Ensure that optional expansion modules, such as PROFINET (E94AYCER), EtherCAT (E94AYCET), or STO modules (E94AYAE), are transferred to the replacement unit slots. For long-term lifecycle migration strategies, the manufacturer recommends the Lenze i950 Servo Inverter as the successor platform for 9400 series installations.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| 0x00110001 | Earth Fault | Ground fault detected on motor output phase terminals | Short circuit between motor phase and earth ground; insulation breakdown in motor windings or motor cable | Inspect motor cables and test insulation resistance using a megohmmeter. Check cable shielding and grounds. |
| 0x00110002 | Short Circuit | Phase-to-phase short circuit detected at output terminals | Short circuit in motor or power wiring; internal output transistor (IGBT) power stage failure | Disconnect motor cables and reset error. If fault reoccurs with motor disconnected, an internal hardware failure has occurred requiring drive repair or replacement. |
| 0x00210001 | DC Bus Overvoltage (OU) | DC bus voltage exceeded upper safety threshold | Excessive braking deceleration energy; missing or damaged external braking resistor; mains input overvoltage | Extend deceleration time ramps; verify braking chopper circuit and external brake resistor value; measure mains supply voltage. |
| 0x00210002 | DC Bus Undervoltage (LU) | DC bus voltage dropped below lower operation threshold | Mains supply brownout or phase loss; main contactor open during operation; incoming mains voltage too low | Check incoming 3-phase AC voltage and main power fuses; verify DC power connection. |
| 0x00310001 | Motor Overtemperature (OH4) | Motor thermal sensor trip active | Motor overloaded; insufficient motor cooling; PTC/KTY/PT1000 sensor wire broken or shorted | Allow motor to cool down; reduce continuous motor load; check temperature sensor wiring and settings. |
| 0x00310002 | Heatsink Overtemperature (OH) | Drive heatsink temperature exceeded upper safety limit | Cabinet fan failure; clogged drive heatsink fins; ambient temperature excessive | Clean heatsink cooling fins; verify operation of internal drive cooling fan; ensure cabinet ventilation. |
| 0x00610001 | Maximum Current Exceeded (Imax) | Drive output current exceeded absolute peak limit | Mechanical blockage/jam in motor load; dynamic acceleration ramp too steep; incorrect motor parameter settings | Check mechanical assembly for binding; increase acceleration time constant; verify motor parameter setup. |
| 0x00710001 | Motor Phase Failure | Interruption detected in output phases U, V, or W | Loose cable terminal at U/V/W terminals; broken conductor in motor cable; motor contactor open | Inspect output phase terminals, motor cable connections, and motor contactor. |
| 0x00810001 | Encoder Signal Error | Encoder feedback track loss or communication failure with absolute encoder | Faulty or disconnected encoder cable; missing shield grounding; bad resolver/encoder device | Inspect encoder cable and Sub-D connector; verify shield grounding; test encoder power supply. |
| 0x00A10001 | Memory Module Error | Communication failure or data corruption on pluggable memory module | Memory card not seated correctly; corrupt memory file; incompatible memory card hardware | Power down and re-seat memory module; re-download project from Lenze Engineer or replace memory card. |
| 0x00C10001 | System Fault / Hardware Error | Internal hardware failure detected during self-test or operation | Internal microprocessor or memory hardware failure; internal board fault | Cycle 24 V auxiliary power. Internal hardware fault — if persistent, return drive unit for factory repair or replacement. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze E94ASHE0134 drive?
Parameters can be transferred without engineering software by moving the pluggable MM100, MM200, or MM300 memory card from the faulty drive into the replacement unit. Alternatively, parameter sets can be uploaded and restored using Lenze Engineer software v2.0 or higher connected via an E94AYCCA USB diagnostic adapter.
What feedback encoder types are supported by the E94ASHE0134?
The E94ASHE0134 includes two Sub-D 15-pin feedback ports that support Resolvers, SinCos encoders, Hiperface absolute encoders, SSI encoders, and Incremental encoders.
Which fieldbus communication options are compatible with this drive?
In addition to onboard CANopen, option modules can be added for PROFINET (E94AYCER), PROFIBUS (E94AYCPM), EtherCAT (E94AYCET), and EtherNet/IP.
What causes fault 0x00210001 (DC Bus Overvoltage)?
Fault 0x00210001 indicates that the DC bus voltage exceeded maximum safety limits, often due to aggressive deceleration ramps, a faulty or missing external brake resistor, or high incoming mains voltage.
What is the official successor model for the Lenze E94ASHE0134?
The Lenze i950 Servo Inverter is designated as the recommended successor unit for migrating 9400 HighLine servo drive installations.
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