Lenze 13141276 ECSDA008C4B ECS Servo Axis Module 8A
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Product Information
The Lenze 13141276 (model ECSDA008C4B) is an 8.0 A continuous output servo drive axis module from the Lenze ECS Servo System family. Designed for multi-axis motion control applications, this speed follower drive operates within a central DC bus voltage range of 460 V DC to 740 V DC alongside a 24 V DC control voltage supply. Utilizing an 8 kHz switching frequency, the module delivers dependable power handling with peak output currents reaching 16 A for 5 seconds and up to 24 A for 0.5 seconds to accommodate high-dynamic acceleration phases. Integrated Speed Follower application software provides precise speed regulation, torque limit management, and digital phase synchronization across multi-axis production systems.
Replacing a unit in an existing cabinet requires precise transfer of device parameters and network settings. The ECSDA008C4B features onboard CANopen system bus interfaces via dual RJ45 connectors for daisy-chained network wiring, alongside a dedicated option slot for plug-in fieldbus modules including PROFIBUS-DP, EtherCAT, or PROFINET. Sensor and control connections include a resolver motor feedback interface at connector X6, a secondary master frequency or encoder input at connector X7, two differential analog inputs (-10 V to +10 V), four programmable digital inputs, and two digital outputs. Drive parameterization, software profile setup, and parameter cloning are managed using Lenze Global Drive Control (GDC) or EASY Starter software, or directly using an optional XT Keypad (EMZ9371BC). When replacing a failed axis module, extracted parameters from internal non-volatile EEPROM can be transferred to a donor unit, with technical assistance available through ABC Industrial Parts for spare unit preparation and configuration recovery.
Diagnostic conditions are clearly indicated on the module front panel via a 7-segment LED display and dual status LEDs: a green CY LED for operating states and a red ER LED for fault conditions. Real-time diagnostic data can also be evaluated through CANopen status word C0150, an internal fault history buffer that stores the last four trip events with timestamps, or via the GDC Oscilloscope and EASY Starter dashboard. Initial field troubleshooting should start by verifying incoming DC bus and 24 V DC control voltages, checking feedback cable integrity at terminals X6 and X7, and confirming fieldbus cable termination. Persistent fault codes indicating internal power stage breakdown (OC1), control board voltage failures (H05), or EEPROM corruption (EER) point to hardware damage that cannot be serviced in the field, making a fully tested replacement or repair through ABC Industrial Parts the most efficient path to restoring machine operation.
Technical Specifications
| Rated Output Current | 8.0 A |
| Peak Output Current (5s) | 16 A |
| Max Peak Output Current (0.5s) | 24 A |
| DC Bus Supply Voltage Range | 460 V DC – 740 V DC |
| Control Supply Voltage | 24 V DC |
| Power Loss | 110 W |
| Switching Frequency | 8 kHz |
| CANopen Transmission Speed | 1 Mbit/s |
| Application Software Profile | Speed Follower |
Programming and Configuration
The Lenze 13141276 ECSDA008C4B servo drive utilizes embedded Speed Follower software designed specifically for coordinated speed control, torque limiting, and phase synchronization. Parameterization and commissioning are conducted using Lenze Global Drive Control (GDC) or EASY Starter engineering tools. Operating settings are retained in non-volatile internal EEPROM memory, safeguarding application parameters, dynamic torque limits, and motor feedback calibrations against main power loss.
Commissioning a spare module requires uploading existing drive parameters using GDC or EASY Starter software connected via the communication interface, or transferring the configuration via an optional XT Keypad (model EMZ9371BC). In cases where parameter clearing is required during testing or reconfiguration, code C0002 can be set to 1 to restore default factory parameters. Ensuring software parameters match the machine's master controller profile is critical before enabling the axis output.
Communication and System Integration
System communication on the Lenze ECSDA008C4B drive module relies on an integrated CANopen system bus operating at speeds up to 1 Mbit/s. Twin RJ45 ports facilitate direct daisy-chain topology between adjacent ECS axis modules and central motion controllers. Diagnostic monitoring over CANopen is supported via status word readout under code C0150, giving PLC automation systems continuous visibility into axis ready states, fault flags, and operating conditions.
For broader fieldbus architectures, the drive includes a dedicated expansion slot capable of accommodating optional plug-in automation modules for PROFIBUS-DP, EtherCAT, or PROFINET networks. Physical I/O integration includes two differential analog inputs rated for -10 V to +10 V signal ranges, four configurable digital inputs, two digital outputs, and dedicated feedback terminals including connector X6 for primary resolver feedback and connector X7 for master frequency or incremental encoder signals.
Diagnostics and Status Indication
The Lenze 13141276 ECSDA008C4B incorporates multi-level status indications to accelerate system troubleshooting. A 7-segment display on the front panel provides direct numerical fault code readouts, while two LED indicators provide immediate visual status: the green CY LED indicates drive operating state (solid for ready/operation, blinking for inhibit), and the red ER LED indicates active trips (solid) or warning conditions (blinking).
Detailed diagnostic analysis is enabled via an internal fault history buffer that logs the four most recent trip events along with timestamps and occurrence counts. Control technicians can access this history alongside live signal tracing using the GDC Oscilloscope feature or EASY Starter diagnostic dashboards.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| CY | Green - Solid / Blinking | Operating state (Solid = Ready/Operation, Blinking = Inhibit/Ready) |
| ER | Red - Solid / Blinking | Fault state (Solid = Active Fault/Trip, Blinking = Warning/Message) |
Replacement and Spare Part Considerations
When swapping a defective Lenze 13141276 ECSDA008C4B axis module, operators must ensure the replacement device shares the exact continuous output rating (8.0 A) and Speed Follower software variant. The unit operates from a shared DC bus supply range of 460 V to 740 V DC, energized by dedicated Lenze ECS power supply modules such as the ECSSM or ECSEM. A separate 24 V DC supply powers internal control electronics.
Before putting a spare module into service, parameter sets stored in the original unit's EEPROM must be transferred using GDC, EASY Starter, or the XT Keypad. Hardware connections at resolver terminal X6, master frequency terminal X7, and optional fieldbus slots must be verified for correct seating and shield grounding. For facility modernization projects, Lenze i700 and i950 servo inverters represent the recommended successor platforms for legacy ECS series drives.
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 | Short circuit detected at the motor terminals or power output stage. | Short circuit in motor cable, short circuit in motor windings, defective output stage. | Check motor cable and wiring for short circuits or insulation breakdown; check motor winding resistance; if error persists with motor disconnected, internal hardware output stage is damaged and unit requires return for repair. |
| OC2 | Earth Fault | Ground fault / earth leakage detected at output phase. | Ground fault in motor cable or motor winding, capacitive cable charging current exceeds limit. | Check motor cable and motor winding against ground / PE; check motor cable length limits. |
| OC5 | I x t Overload | Drive overload monitoring (Ixt) has tripped. | Continuous current higher than rated continuous current for an extended period; mechanical jam or overload on motor shaft. | Check mechanical load and drive sizing; check acceleration/deceleration ramps; verify duty cycle. |
| OU | Overvoltage DC Bus | DC bus voltage exceeds maximum upper voltage threshold. | Excessive regenerative energy during deceleration; braking chopper active for too long or brake resistor damaged/disconnected. | Check braking resistor connection and resistance value; increase deceleration ramp time; verify DC bus power supply module. |
| LU | Undervoltage DC Bus | DC bus voltage dropped below minimum threshold. | Mains supply failure, supply module (ECSxM) trip or line power failure, DC bus fuse blown. | Check incoming AC power line to supply module; check DC bus link wiring and fuses. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeded upper limit. | Inadequate cooling, fan failure, ambient temperature too high, clogged heatsink fins. | Clean heatsink, check cabinet ventilation, verify fan operation, lower ambient temperature. |
| OH4 | Motor Overtemperature | Motor temperature sensor (PTC/NTC/KTY/KBR) detected motor overheating. | Motor thermal overload, insufficient motor cooling, incorrect thermal sensor configuration. | Allow motor to cool down; check mechanical load; verify motor sensor connection and parameter settings. |
| OH7 | Interior Drive Overtemperature | Temperature inside the axis module housing is too high. | Enclosure internal temperature excessive, internal cooling fan defective. | Check cabinet air circulation and cooling system. |
| CE0 | Communication Error CANopen / Automation Module | Communication breakdown on system bus or fieldbus module. | Bus cable disconnected or damaged, incorrect baud rate, missing bus termination resistor, node address conflict. | Check network cables, shielding, ground connection, termination resistors, and fieldbus master status. |
| EER | EEPROM Fault | Internal EEPROM checksum error or memory access error. | Internal memory corruption or hardware board-level defect. | Internal hardware fault — attempt parameter reset to factory default (C0002 = 1); if fault persists, return unit for repair or replace unit. |
| rEt | System Reset Fault | CPU microcontroller system reset fault. | Severe EMC interference or internal hardware defect. | Internal hardware or control board fault — verify cabinet grounding and shielding; if problem recurs, return unit for repair. |
| H05 | Internal Voltage Supply Fault | Internal power supply voltage on axis module control board out of range. | Internal power supply circuit board failure. | Internal hardware fault — unit is not field-serviceable; contact Lenze service or return unit for repair. |
| Sd1 | Resolver Open Circuit / Fault | Resolver signal track fault or cable disconnection. | Resolver cable broken, damaged shield, unplugged connector X6, or defective resolver. | Check resolver connection at connector X6, check cable integrity and shielding, test resolver winding resistance. |
| Sd2 | Encoder / Master Frequency Signal Fault | Encoder track failure or signal disruption on input X7. | Encoder supply voltage fault, wire break, disconnected encoder cable. | Check encoder wiring at connector X7, check supply voltage to encoder, inspect encoder cable shield. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze 13141276 drive?
Parameters stored in non-volatile EEPROM can be saved and restored using Lenze Global Drive Control (GDC) or EASY Starter software connected via the system bus interface. Alternatively, parameters can be transferred using an optional Lenze XT Keypad (EMZ9371BC).
What power supply modules are compatible with the ECSDA008C4B axis module?
The module operates on a shared DC bus voltage of 460 V to 740 V DC, which is supplied by Lenze ECS series power supply modules such as the ECSSM or ECSEM, along with an external 24 V DC control supply.
What motor feedback options are supported by the ECSDA008C4B drive?
The unit features onboard resolver feedback on connector X6 and a secondary master frequency or incremental encoder input on connector X7.
What do the CY and ER status LEDs indicate?
The green CY LED signals operating states (solid for ready/operation, blinking for inhibit), while the red ER LED indicates fault conditions (solid for an active trip fault, blinking for warning messages).
What should I do if the drive displays an OC1 fault code?
An OC1 fault indicates an overcurrent or short circuit. Check motor cabling, wiring insulation, and motor winding resistance. If the OC1 code persists when the motor cable is disconnected from the drive, the internal output stage hardware is damaged and requires repair or drive replacement.
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