Lenze E82EV751_2B 8200 Vector Frequency Drive 0.75kW 230V
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Product Information
The Lenze E82EV751_2B is a 0.75 kW (1 HP) frequency inverter belonging to the 8200 Vector series, engineered for precise speed control and dynamic performance with standard asynchronous AC motors. It operates across a flexible single-phase or three-phase supply voltage range from 180 V AC to 264 V AC at 230/240 V. Providing a continuous output current of 4.0 A with a 150% overload capacity (6.0 A for 60 seconds), this compact IP20-rated variable speed drive supports sensorless vector control (VFC), linear V/f, and quadratic V/f control modes to suit demanding industrial drive applications.
Network integration on the basic unit is provided by an integrated CAN system bus operating up to 500 kbit/s via terminal block X4 for drive inter-linking and synchronization. Its modular architecture supports optional plug-in function modules for digital and analog expansion or fieldbus communications, including PROFIBUS-DP, CANopen, INTERBUS, DeviceNet, and RS232/RS485 LECOM interfaces. Putting a spare drive into service requires parameter configuration transfer, as the internal EEPROM holds up to four independent parameter sets. Parameters can be transferred using Lenze Global Drive Control (GDC) software or the optional XT Keypad module E82ZBC, with expert technical support available from ABC Industrial Parts for backing up or transferring settings.
Real-time drive status is indicated by front panel LEDs for operational readiness and TRIP fault status. Detailed diagnostic evaluation is accessible through the XT Keypad or GDC online monitor, allowing technicians to read fault codes and parameter buffers such as C0161 for TRIP history. System issues like overcurrent, overvoltage, undervoltage, and fieldbus communication faults can be diagnosed through parameter registers and wiring checks. When non-recoverable internal hardware faults occur, such as error code FAIL, board-level repairs or an exchange drive through ABC Industrial Parts provide a reliable path to restore production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E82EV751_2B |
| Model / Type | E82EV751_2B |
| Product Family | 8200 Vector |
| Component Type | Frequency Inverter |
| Rated Power | 0.75 kW |
| Rated Power (HP) | 1 HP |
| Supply Voltage Range | 180 - 264 V AC (1-phase / 3-phase AC 230/240 V) |
| Output Voltage Range | 0 - 230 V AC |
| Continuous Output Current | 4.0 A |
| Maximum Output Current (150% Overload) | 6.0 A (for 60 s) |
| Input Current (1-Phase) | 9.0 A (no choke) / 6.0 A (with choke) |
| Input Current (3-Phase) | 5.2 A (no choke) / 3.6 A (with choke) |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Power Loss | 45 W |
| Control Mode | V/f linear, V/f quadratic, Sensorless Vector Control (VFC) |
| Integrated Bus Interface | CAN System Bus (500 kbit/s) |
| Protection Rating | IP20 |
Programming and Configuration
The Lenze E82EV751_2B vector drive incorporates internal EEPROM memory capable of storing four complete, independent parameter sets. Drive commissioning, parameter adjustments, and function assignments are executed either directly through the optional plug-in XT Keypad module E82ZBC or remotely using Lenze Global Drive Control (GDC) software.
When commissioning a replacement drive, parameter values must be configured to match the application requirements and motor nameplate data. Parameters such as acceleration time (C0012), deceleration time (C0013), and maximum output frequency (C0011) can be transferred using the keypad memory transfer function or loaded from a saved software project file.
Communication and System Integration
System connectivity and multi-drive synchronization on the E82EV751_2B are established via the onboard CAN system bus interface located at terminal block X4. Operating at transfer rates up to 500 kbit/s, this integrated peer-to-peer bus enables direct data exchange and coordination between multiple Lenze drives without requiring central controller intervention.
For integration into major industrial networks, the basic unit features a modular interface slot designed to accept optional function modules. Supported fieldbus options include PROFIBUS-DP (E82ZAFPC), CANopen (E82ZAFAC), INTERBUS, DeviceNet, and RS232/RS485 LECOM modules (E82ZAFS).
Diagnostics and Status Indication
Drive operating states and warning conditions are signaled on the front panel via LED indicators. A solid green light confirms inverter readiness and active operation, while a blinking green light indicates low power or initialization status. A blinking or solid red LED indicates an active TRIP event, error code, or warning.
Diagnostic menus can be accessed using the XT Keypad E82ZBC or the GDC online diagnostic monitor. Fault history and TRIP memory are stored in parameter C0161, enabling field service technicians to review fault records, verify error codes, and evaluate bus registers during troubleshooting.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Fault/TRIP | Red - Blinking or Solid | Indicates drive TRIP, error, or warning state |
| Ready/Operation | Green - Solid | Inverter ready / operation active |
| Ready/Operation | Green - Blinking | Lower power or initialization mode |
Replacement and Spare Part Considerations
Before replacing an existing drive with a spare E82EV751_2B, confirm that the voltage rating (180–264 V AC) and current capacity (4.0 A continuous) align with the installed motor. Any plug-in communication modules (such as PROFIBUS or CANopen modules) and keypads attached to the original drive must be transferred to the spare unit.
Replacement drives carry factory default parameters and will not operate the machine correctly without loading the application configuration. Ensure that parameter backup files are downloaded using GDC software or copied via the XT Keypad E82ZBC memory function prior to putting the machine back into service. For complete system upgrades, Lenze i510 and i550 Cabinet Series drives offer modern replacement options.
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 / Earth fault | Short circuit at motor output terminals or ground fault in motor cable/winding. | Short circuit in motor cable; ground fault in motor winding; motor cable length excessive. | Check motor wiring for short circuits; check insulation resistance of motor; reduce switching frequency or check cable capacity. |
| OC2 | Overcurrent during acceleration | Excessive motor current detected while accelerating. | Acceleration time (C0012) set too short; mechanical overload or jammed motor; incorrect motor data entered. | Increase acceleration time; check mechanical load; check motor parameters. |
| OC3 | Overcurrent during deceleration | Excessive motor current detected during speed reduction. | Deceleration time (C0013) set too short; excessive load inertia. | Increase deceleration time; use braking resistor/chopper if needed. |
| OC4 | Overcurrent during steady operation | Excessive current during constant speed operation. | Sudden mechanical load change or jam; motor undersized. | Inspect mechanical system for blockage; check motor sizing. |
| OU | Overvoltage DC bus | Intermediate circuit DC bus voltage exceeded maximum limit (> 400 V DC for 230 V unit). | Regenerative motor operation on deceleration; deceleration ramp too short; mains voltage above threshold. | Extend deceleration time (C0013); fit external braking resistor; check mains supply voltage. |
| LU | Undervoltage DC bus | Intermediate circuit DC bus voltage fell below minimum threshold (< 215 V DC for 230 V unit). | Mains supply voltage too low; mains phase failure; power line dip. | Check supply voltage and wiring; inspect input fuses. |
| OH | Overtemperature heatsink | Heatsink temperature exceeded permissible maximum limit (> 85 °C / 90 °C). | Ambient temperature too high; cooling fan defective or blocked; insufficient ventilation inside cabinet. | Improve cooling airflow; clear heatsink fins; replace cooling fan if defective. |
| OH4 | Overtemperature drive thermal sensor | Thermal sensor inside drive triggered thermal protection. | Continuous excessive overload at low speeds; ambient temperature too high. | Check motor loading and duty cycle; lower switching frequency. |
| P12 | Motor PTC / thermal contact | Motor temperature sensor connected to drive terminals triggered. | Motor overheated; PTC sensor connection broken. | Allow motor to cool down; check forced-ventilation fan on motor; check PTC connection. |
| CE0 | Communication error CAN / System bus | Communication failure or interruption on CAN system bus. | Bus cable disconnected or loose; termination resistor missing; incorrect baud rate. | Inspect CAN cabling and shield grounding; verify terminal resistors (120 Ohm) at ends of CAN bus. |
| CE1 | Communication error Function Module Slot 1 | Data transmission fault between basic unit and plug-in function module. | Plug-in module loose or damaged; contact corruption. | Turn off power, remove and re-seat function module; check module connector pins. |
| EEr | External fault (TRIP) | External fault signal received via digital input configured as TRIP. | External monitoring device (e.g. safety circuit, sensor) triggered TRIP function. | Locate external cause connected to digital input assigned to external TRIP function. |
| LP1 | Mains phase failure | Phase failure detected on AC mains supply input. | One supply phase missing or severe line imbalance. | Check line supply voltage and input fuses. |
| NMAX | Maximum output frequency exceeded | Motor speed/frequency exceeded set maximum limit. | Slip compensation or vector control overshoot; field weakening configuration error. | Check motor parameters; adjust maximum frequency setting C0011. |
| FAIL | Internal hardware failure | Internal control board error or non-recoverable internal processor error. | Board hardware damage, corrupted internal firmware, or power supply circuit fault. | Internal hardware fault — return unit for repair or replace the drive. |
Frequently Asked Questions
What software and hardware are used to configure the Lenze E82EV751_2B?
The E82EV751_2B is configured using Lenze Global Drive Control (GDC) software on a connected PC or directly via the optional plug-in XT Keypad E82ZBC.
Can the E82EV751_2B operate on both single-phase and three-phase power supplies?
Yes, the drive supports dual-input power and operates on either 1-phase AC or 3-phase AC supplies between 180 V and 264 V AC at 230/240 V.
How are parameter backups transferred to a replacement drive?
Parameter backups stored in the internal EEPROM can be saved and transferred to a replacement unit using the XT Keypad E82ZBC memory function or via Lenze Global Drive Control (GDC) software.
Which fieldbus communication options are supported by the E82EV751_2B?
The basic unit includes an integrated CAN system bus on terminal block X4. Optional plug-in function modules add support for PROFIBUS-DP, CANopen, INTERBUS, DeviceNet, and RS232/RS485 LECOM interfaces.
What action should be taken if the drive displays fault code FAIL?
Fault code FAIL indicates an internal control board or hardware failure that cannot be serviced in the field. The unit should be submitted for repair or replaced with a tested exchange drive.
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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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