Lenze E70ACMSE0104SA2ETE i700 Double-Inverter Servo Drive Module
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Product Information
The Lenze E70ACMSE0104SA2ETE is a double-axis servo drive module within the i700 cabinet series designed to control two independent servo axes from a single compact module. Operating from a 560 V DC link supply, this wall-mounted inverter delivers a rated output current of 10 A AC per channel at a 4 kHz switching frequency, with a peak output current of 20 A AC per axis to handle high acceleration demands. The unit provides a 3-phase output voltage range from 0 to 400 V AC and output frequencies up to 599 Hz, offering a space-saving drive solution for multi-axis machinery in packaging, material handling, robotics, and textile processing.
Interfacing with the motion control system is managed through dual built-in RJ45 EtherCAT ports, supporting line and tree topologies alongside Fail Safe over EtherCAT (FSoE) for integrated Safe Torque Off (STO) functionality. Each axis features universal multi-encoder feedback connections compatible with resolver, Sin/Cos, Hiperface, EnDat, and SSI encoders. When installing a spare module, manual parameter entry is minimized because the host controller automatically detects the node position and restores drive parameters over EtherCAT, provided the central project in Lenze PLC Designer or the host PLC is active. Expert support from ABC Industrial Parts can assist maintenance teams in commissioning spare modules smoothly.
System status and operational readiness are displayed on the front panel through dedicated RDY, BUS L/A, and STO status LEDs. Comprehensive diagnostics and error history buffers can be accessed using EASY Starter software over EtherCAT or directly through host controller PLC registers. External issues such as motor phase loss, DC link overvoltage, or feedback cable faults can typically be resolved by inspecting wiring, brake resistors, or mechanical loads. However, internal hardware errors such as fault code 0x6100 indicate a control board or power section failure that is not field-serviceable, where unit replacement or repair through ABC Industrial Parts provides the fastest route back to production.
Technical Specifications
| Number of Axes | 2 |
| Rated Output Current per Axis | 10 A |
| Peak Output Current per Axis | 20 A |
| DC Link Input Voltage | 560 V DC |
| Output Voltage | 0 - 400 V AC |
| Max Output Frequency | 599 Hz |
| Switching Frequency | 4 kHz |
| Fieldbus Protocol | EtherCAT, FSoE |
| Integrated Safety Function | Safe Torque Off (STO) |
| Mounting Type | Wall Mounting |
Programming and Configuration
Parameterization and diagnostic monitoring for the Lenze E70ACMSE0104SA2ETE are performed using Lenze EASY Starter engineering software over the EtherCAT connection. Motion profiles, operational limits, and axis synchronization across both channels are defined within Lenze PLC Designer or the host controller programming environment.
Central parameter storage in the host system simplifies module replacement within the i700 cabinet drive system. When a replacement inverter is installed into the designated node position, the host controller automatically downloads the parameter set over EtherCAT, avoiding the need to manually reload parameter files on the plant floor.
Communication and System Integration
The E70ACMSE0104SA2ETE features dual RJ45 connectors designed for real-time EtherCAT fieldbus networks. These interfaces enable straightforward line or tree cabling topologies directly between drive modules inside the control enclosure, streamlining cabinet installation.
Functional safety signals are integrated into the fieldbus protocol through Fail Safe over EtherCAT (FSoE). This protocol manages the internal Safe Torque Off (STO) safety function across both output axes without requiring discrete safe output wiring or extra electro-mechanical safety relays.
Diagnostics and Status Indication
The front side of the drive module features dedicated status LEDs for quick visual inspection. The RDY LED displays module readiness and controller enable state, the BUS L/A LED shows EtherCAT fieldbus link status and data traffic, and the STO LED indicates whether the Safe Torque Off safety function is engaged.
Detailed operational metrics and fault history registers can be queried over EtherCAT using EASY Starter software or via standard host PLC system registers, allowing technicians to isolate network, power, or encoder issues.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| RDY | Green / Red - Solid / Flashing / Off | Green: Drive ready / operational. Flashing Green: Inverter operational but controller enable missing. Red: Error condition present. Off: No supply voltage. |
| BUS / L/A | Green / Red - Solid / Flashing / Red | Green: EtherCAT link established. Flashing Green: EtherCAT data communication active. Red: Fieldbus error / communication lost. |
| STO | Green - Solid Green / Off | Green: Safety function STO active (safe state). Off: Drive enabled / normal operation. |
Replacement and Spare Part Considerations
When selecting a replacement for an E70ACMSE0104SA2ETE module, verify that the part number matches the current rating (10 A per channel) and hardware configuration. The unit operates on a shared 560 V DC link supply provided by an i700 power supply module (E70ACPS).
Because drive parameters are stored centrally in the master PLC, automatic parameter download over EtherCAT occurs upon power-up once the host detects the node position. Ensure that encoder cables, motor phase lines, and fieldbus wiring are properly attached prior to energizing the DC busbar system.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| 0x2221 | Motor phase failure | Failure or missing connection on one or more motor output phases. | Broken motor cable, disconnected motor terminal, open winding in motor. | Check motor wiring, motor connections, and winding resistance. |
| 0x2310 | Inverter overcurrent | Short circuit or severe overcurrent condition on the output phase terminals. | Motor short circuit, ground fault, incorrect motor parameter settings, excessive ramp acceleration. | Inspect motor and wiring for short circuit or ground fault. Verify acceleration limits and motor data. |
| 0x3210 | DC link overvoltage | DC link voltage exceeded the maximum allowable threshold. | High regenerative energy during braking, missing or undersized brake chopper/resistor. | Extend deceleration time, verify brake chopper operation, or install additional brake resistor capability. |
| 0x3220 | DC link undervoltage | DC link voltage dropped below the required operating threshold. | Power supply module failure, main supply line drop, overloaded DC bus. | Check mains voltage input to i700 power supply module and verify DC busbar connections. |
| 0x4210 | Heatsink overtemperature | Drive heatsink temperature exceeded maximum permissible limit. | Insufficient cabinet cooling, blocked airflow, high ambient temperature, continuous overload. | Clean heat sink fins, ensure adequate enclosure ventilation, reduce load or switching frequency. |
| 0x4310 | Drive internal overtemperature | Internal electronic component temperature exceeded critical threshold. | High ambient temperature inside control cabinet, inadequate air circulation. | Improve control cabinet ventilation and ambient conditions. |
| 0x5112 | 24V supply error | Auxiliary 24 V DC control supply voltage is out of tolerance. | 24 V DC power supply failure or voltage drop under load. | Verify 24 V DC auxiliary supply voltage directly at module terminals. |
| 0x6100 | Internal hardware fault | Hardware failure detected on internal control board or power section. | Internal board component breakdown, corrupt internal memory, or power section failure. | Internal hardware fault — unit is not field-serviceable. Replace the drive module or return for repair. |
| 0x7121 | Motor stall / locked rotor | Motor velocity feedback deviates significantly from reference or motor is mechanically locked. | Mechanical jam, open holding brake, incorrect torque limits. | Check drive mechanics for blockage, verify brake release state and torque limit configurations. |
| 0x7300 | Encoder / feedback error | Loss or corruption of motor feedback position/speed signal. | Damaged feedback cable, loose connector, encoder hardware fault. | Inspect encoder cabling and connectors. Check encoder power supply and replace encoder if faulty. |
| 0x8130 | EtherCAT communication timeout | Communication failure or lost process data frames on EtherCAT fieldbus. | Damaged Ethernet cable, high network noise/EMC interference, master controller interruption. | Check EtherCAT network cables and connectors, check master PLC state and shielding integrity. |
Frequently Asked Questions
How are parameters restored when replacing a Lenze E70ACMSE0104SA2ETE double inverter?
Parameters are managed centrally by the master controller. When a replacement module is connected to the EtherCAT network in the correct node position, the host controller automatically downloads the parameter set to the drive.
What safety function is integrated into the E70ACMSE0104SA2ETE drive module?
The module includes integrated Safe Torque Off (STO) operating over Fail Safe over EtherCAT (FSoE), eliminating the need for hardwired safety relays.
Which encoder feedback interfaces are supported on both axes?
Each output channel features multi-encoder inputs supporting resolver, Sin/Cos, Hiperface, EnDat, and SSI feedback signals.
What action should be taken if fault code 0x6100 appears?
Fault code 0x6100 indicates an internal control board or power section failure. The unit is not field-serviceable and must be replaced or sent for professional repair.
What are the output power ratings for each axis on the E70ACMSE0104SA2ETE?
Each independent axis delivers a rated output current of 10 A AC with a peak output capacity of 20 A AC (200% overload for 3 seconds) at a 4 kHz switching frequency.
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