Lenze E82EV751_2C 8200 Vector Frequency Inverter 0.75 kW
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Product Information
The Lenze E82EV751_2C is a 0.75 kW variable frequency inverter from the 8200 vector drive series, engineered for precise speed and torque regulation of three-phase asynchronous motors. Designed to operate on a 1-phase or 3-phase supply voltage ranging from 180 V to 264 V AC (nominal 230 V AC), this compact unit delivers a continuous rated output current of 4 A with an overload peak capability of 6 A for 60 seconds to handle dynamic starting torque. Built with an IP20 rated enclosure, the drive utilizes advanced sensorless vector control alongside customizable V/f characteristic modes across an output frequency range of 0 Hz to 480 Hz, making it suitable for conveyor belt systems, centrifugal pumps, industrial fans, and packaging machinery.
Integrating the E82EV751_2C into an existing control system relies on its modular expansion architecture. The basic drive contains a dedicated automation slot that accepts plug-in communication modules, including the E82ZAFCC CANopen module, the E82ZAFPC PROFIBUS DP module, or LECOM serial interface hardware, alongside expanded I/O terminal options. Drive parameterization and commissioning are handled via the front interface using an E82ZBC XT operating keypad module or a PC diagnostic adapter running Lenze Global Drive Control (GDC) software. Up to four independent parameter sets can be stored in internal non-volatile EEPROM memory. When replacing an existing unit, the modular communication plug-in card can be swapped directly to the replacement chassis, and stored configurations can be uploaded to restore active machine operations. ABC Industrial Parts can assist in supplying tested replacement drives and configuration tools to minimize line downtime.
Diagnostic feedback on the E82EV751_2C is provided through front-panel status LEDs and numeric display parameters. A solid green LED indicates operational readiness, while a solid red LED signals an active trip fault condition. Detailed diagnostic routines are accessible through code parameters C0161 to C0164 for fault history and the C005x parameter series for real-time operating metrics. Common trip causes such as output short circuits (EOC1), deceleration overcurrent (EOC2), DC bus overvoltage (EOU), supply undervoltage (ELU), or heatsink thermal overload (EOH) can typically be addressed by checking line power, motor cabling, and acceleration or deceleration profile times. If internal memory errors (EEER) or electronic power stage failures (EPI) occur, internal hardware damage is indicated. Because internal circuit board faults are not field-serviceable, installing a tested replacement inverter from ABC Industrial Parts offers the most effective solution to restore production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E82EV751_2C |
| Model / Type | 8200 Vector Frequency Inverter 0.75 kW 230V |
| Product Family | 8200 vector |
| Component Type | Frequency Inverter |
| Rated Power | 0.75 kW |
| Nominal Supply Voltage | 230 V AC |
| Supply Voltage Range | 180 V to 264 V AC |
| Rated Output Current | 4 A |
| Maximum Output Current | 6 A (150% overload for 60 s) |
| Output Frequency Range | 0 Hz to 480 Hz |
| Switching Frequency | 8 kHz |
| Control Method | Sensorless vector control, V/f characteristic control |
| Enclosure Rating | IP20 |
Programming and Configuration
Parameter management for the Lenze E82EV751_2C is performed using either the plug-in E82ZBC XT keypad module or Lenze Global Drive Control (GDC) software running on a connected PC. Key configuration settings include motor nameplate parameters, speed limits, acceleration/deceleration profiles, 8 kHz switching frequency options, and selecting between V/f curve operation or sensorless vector control mode. The internal non-volatile EEPROM memory retains up to four independent parameter sets, enabling multi-product or flexible machine operation without requiring an external controller to reflash parameters.
When commissioning a replacement unit, parameter profiles can be cloned directly using the XT keypad's transfer memory function or uploaded via GDC software. If drive resetting is necessary, parameter code C0002 restores factory default values. In situations where invalid parameter combinations are loaded into the drive, fault code EPER is triggered during boot initialization, requiring a parameters reset before normal drive operation can proceed.
Communication and System Integration
The E82EV751_2C drive utilizes a modular communication interface centered on an integrated automation slot. Rather than relying on fixed communication hardware, fieldbus protocol support is added by inserting optional function modules into the drive casing. Supported interfaces include the E82ZAFCC module for CANopen system bus integration and the E82ZAFPC module for PROFIBUS DP industrial networks.
Proper installation requires seating the option module firmly into the automation slot before applying power. If communication between the drive processing unit and the plugged function module is broken or if an unconfigured module is detected, the inverter activates fault code ECE0. Verifying physical module seating, mechanical lock engagement, and network wiring resolves module communication trips.
Diagnostics and Status Indication
Real-time operational status and trip monitoring on the E82EV751_2C are accessible via external status LEDs, the E82ZBC XT keypad screen, or the diagnostic monitoring interface in Global Drive Control software. Built-in real-time parameters within the C005x code series allow operators to monitor live output current, motor voltage, and actual output frequency. Fault history data is maintained across code registers C0161 through C0164, enabling technicians to review past trip conditions after system resets.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED | Red - Solid | Inverter fault / error active (trip state) |
| Green LED | Green - Solid | Inverter operational / ready state indicator |
Replacement and Spare Part Considerations
When replacing a Lenze 8200 vector drive with part number E82EV751_2C, confirm that the spare hardware matches the required 0.75 kW power rating and 230 V AC operating voltage. Any optional function modules installed in the existing unit—such as the E82ZAFPC PROFIBUS card, E82ZAFCC CANopen card, or terminal expansion modules—must be transferred directly into the replacement drive's automation slot.
Commissioning the replacement drive requires transferring saved parameter sets. Parameters can be copied using the E82ZBC XT keypad module or downloaded via PC using Global Drive Control software. Although the 8200 vector family has been discontinued by the manufacturer, direct hardware replacements allow existing machinery to continue operating without rewriting machine control software. For modern machine redesigns, the Lenze i550 inverter series represents the designated successor family.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| EOC1 | Short circuit / Earth fault | Short circuit or ground fault detected on output power terminals during acceleration. | Motor cable shorted or grounded; acceleration time set too short; motor defective. | Check motor and output motor cabling for short circuits and earth faults; increase acceleration time. |
| EOC2 | Overcurrent during deceleration | Output current limit exceeded during motor deceleration. | Deceleration time set too short; generatoric energy too high. | Increase deceleration time or install/check braking resistor. |
| EOC5 | Overcurrent during constant operation | Output current limit exceeded during steady-state operation. | Sudden load change; motor overload or mechanical jam. | Check mechanical drive system for blockage; verify motor sizing and parameters. |
| EOU | DC-bus overvoltage | Voltage in intermediate DC bus exceeded upper safety limit. | Excessive regenerative energy from motor during deceleration; main supply voltage too high. | Increase deceleration time; verify supply voltage; check braking chopper / brake resistor connection. |
| ELU | DC-bus undervoltage | Voltage in intermediate DC bus dropped below minimum threshold. | Mains voltage failure, input phase missing, or supply voltage too low. | Check mains input power, fuses, and line wiring. |
| EOH | Heatsink overtemperature | Inverter heatsink temperature exceeds maximum safety limit. | Insufficient cooling airflow; ambient temperature too high; fan defective or clogged. | Clean heatsink cooling fins; verify enclosure ventilation and ambient temperature; replace fan if broken. |
| EOH4 | Motor overtemperature (PTC) | Motor temperature sensor input (PTC or thermal contact) tripped. | Motor overloaded or inadequately cooled. | Allow motor to cool down; check motor load and cooling fan. |
| EOH5 | Motor thermal overload (I2t) | Calculated motor thermal load (I2t monitoring) exceeded max allowed threshold. | Continuous operation at low speed under heavy load. | Check motor loading; adjust I2t monitoring parameters (C0075) or install forced cooling fan on motor. |
| ELP1 | Mains phase failure | Phase drop or extreme imbalance detected on AC supply lines. | One input phase missing or blown input line fuse. | Check line fuses, supply voltage stability, and line connections. |
| EEER | EEPROM memory fault | Internal non-volatile parameter memory error detected during boot or operation. | Internal hardware fault or corrupt EEPROM data. | Restore factory defaults (C0002) and reprogram; if problem persists, internal board fault exists - replace unit or contact service. |
| EPER | Parameter error | Inconsistent or illegal parameter settings detected during initialize. | Incompatible parameter set uploaded to inverter. | Reset parameters to default settings and re-commission. |
| EPI | Internal hardware fault | Internal controller or power section monitoring fault. | Internal electronic components failure. | Internal hardware fault — return unit for repair or replace inverter. |
| ECE0 | Communication failure on slot | Communication failure between basic inverter unit and plugged function module. | Module loose, incorrect function module installed, or bus interruption. | Check seating of module in automation slot; verify bus cabling. |
Frequently Asked Questions
What are the core electrical ratings of the Lenze E82EV751_2C inverter?
The E82EV751_2C has a rated motor power of 0.75 kW, operates on a 230 V AC supply voltage (ranging from 180 V to 264 V AC), and provides a rated output current of 4 A with a peak capability of 6 A for up to 60 seconds.
How are parameters transferred when replacing an E82EV751_2C drive?
Parameters can be cloned using the plug-in E82ZBC XT operating keypad or transferred via a PC running Lenze Global Drive Control (GDC) software. Saved parameter configurations can be uploaded directly to the replacement unit.
Which fieldbus modules can be used with the E82EV751_2C?
The inverter features a dedicated automation slot that accepts option modules including the E82ZAFCC CANopen module, the E82ZAFPC PROFIBUS DP module, and LECOM serial interface modules.
What does a solid red LED on the E82EV751_2C indicate?
A solid red LED indicates an active trip condition or inverter fault state. Specific fault details can be read from diagnostic code registers C0161 to C0164 via the keypad or GDC software.
What is the recommended successor for the discontinued 8200 vector series?
The Lenze i550 series frequency inverters serve as the recommended modern successor family for the 8200 vector series.
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