Lenze E82EV551_4B 8200 Vector Frequency Inverter 0.55kW
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Product Information
The Lenze E82EV551_4B, model designation E82EV551K4B, is a 0.55 kW AC frequency inverter belonging to the 8200 Vector series. Operating on a three-phase supply voltage range of 320 V to 528 V AC (3x 400/480 V AC nominal), this IP20-rated motor drive delivers a continuous output current of 1.8 A with a rated mains input current of 2.2 A. Designed as a basic version without an integrated radio interference filter, it is suitable for control cabinets where central EMC filtering is installed or external line filters are present. The unit utilizes sensorless vector control as well as linear and quadratic V/f characteristic curves, providing precise speed regulation and torque control across an output frequency range of 0 to 480 Hz.
To integrate into machine networks, the inverter relies on a modular slot that accepts plug-in function modules for standard I/O and fieldbus communication, including PROFIBUS, CANopen, or DeviceNet. Modernizing or replacing an existing drive requires configuring the parameter memory, as spare units must be loaded with machine-specific parameters prior to operation. The drive includes non-volatile EEPROM memory capable of holding four selectable parameter sets. Parameters can be cloned quickly using the optional E82ZBC XT Keypad or configured using Lenze Global Drive Control (GDC) PC software. Maintenance personnel can easily swap the existing plug-in function module and parameter memory settings to restore machine operations, while ABC Industrial Parts provides tested spare units and expert technical assistance for seamless commissioning.
System status and operational readiness are monitored using front-panel LED indicators alongside software and keypad diagnostic displays. In the event of a fault trip or warning condition, detailed diagnostic codes are saved in an internal fault history buffer that stores the last eight fault events under codes C0161, C0162, and C0163. Initial field checks should include verifying three-phase supply lines, line fuses, motor cable isolation, and module seating. Certain internal conditions—such as output power stage failures from short circuits or damaged current sensors—cannot be repaired in the field, making replacement or professional repair through ABC Industrial Parts the recommended solution to ensure minimal downtime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E82EV551_4B |
| Model / Type | E82EV551K4B |
| Product Family | 8200 Vector |
| Component Type | Frequency Inverter |
| Rated Power | 0.55 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Nominal Input Voltage | 3x 400/480 V AC |
| Rated Mains Input Current | 2.2 A |
| Continuous Output Current | 1.8 A |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz (Adjustable 2 - 16 kHz) |
| Control Method | Sensorless Vector Control / V/f Characteristic |
| Enclosure Protection Rating | IP20 |
| Integrated RFI Filter | None (Basic Version) |
Programming and Configuration
The Lenze E82EV551_4B drive is programmed and configured using Lenze Global Drive Control (GDC) PC software or the optional E82ZBC XT Keypad. Non-volatile EEPROM memory built into the unit supports up to four independent parameter sets, allowing multi-mode operation or rapid parameter swapping without losing stored settings.
Key parameter configurations include motor rating setup in parameters C0087 and C0088, maximum speed limit definitions in parameter C0032, and chopper switching frequency adjustments from 2 kHz up to 16 kHz (with 8 kHz standard). In the event of parameter corruption or system reconfiguration, factory default settings can be reloaded by setting parameter C0002 to 1.
Communication and System Integration
Communication and I/O capability for the E82EV551_4B are achieved through a dedicated modular plug-in expansion slot. The inverter does not include fixed on-board control terminals, relying instead on plug-in function modules such as the Lenze E82ZAFSC Standard I/O module to provide digital and analog control interfaces.
For fieldbus communication, the drive integrates into industrial automation networks using optional communication cards such as the Lenze E82ZAFPC PROFIBUS module, as well as CANopen or DeviceNet modules. Proper system integration requires secure seating of the function card, correct bus line termination, and matching fieldbus master timeout settings.
Diagnostics and Status Indication
The Lenze 8200 Vector inverter provides real-time diagnostic indicators and detailed fault tracking. Front-mounted LEDs display operational status, where a solid green LED indicates normal ready operation, a flashing green LED indicates drive initialization or parameter transfer, and a red LED (solid or flashing) signals a fault condition or trip.
Advanced troubleshooting is conducted via the E82ZBC XT Keypad parameter display or the Global Drive Control (GDC) diagnostic monitor. An internal fault history memory buffer stores the last eight fault events in parameters C0161, C0162, and C0163, enabling maintenance technicians to trace recurring trip conditions.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED | Red - Flashing or Solid | Fault/Error state during trip or warning conditions |
| Green LED | Green - Solid | Ready / Normal drive operation |
| Green LED | Green - Flashing | Drive initialization or parameter downloading in progress |
Replacement and Spare Part Considerations
Replacing a Lenze E82EV551_4B frequency inverter requires careful attention to module configuration and parameter transfer. Because the base unit relies on external plug-in options for I/O and communication, the existing function module (such as the E82ZAFSC standard I/O card or E82ZAFPC PROFIBUS card) must be physically transferred to the replacement drive.
Before putting a spare drive into service, parameter memory must be aligned with the original application. Parameter sets stored in non-volatile EEPROM can be cloned directly from the existing drive using the E82ZBC XT Keypad or backed up and restored via Global Drive Control software. When replacing units, verify that the replacement drive shares the same basic specification—specifically the absence of an integrated RFI filter—to ensure electrical compatibility with existing line filters.
For long-term planning, note that the 8200 Vector platform has reached phase-out status. Lenze designates the i550 Cabinet series (specifically model i55AE155F1AV00000S) as the direct successor, though direct replacement of legacy units with identical E82EV551_4B hardware remains the fastest way to avoid cabinet wiring modifications.
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 at the output terminals or excessive capacitive charge current. | Short circuit in motor cable, motor winding fault, or cable length exceeds maximum allowed length. | Check motor wiring and isolation, check motor cable length. If fault persists with motor disconnected, internal power stage failure — return unit for repair. |
| OC2 | Earth fault | Earth fault / ground fault detected on output phase. | Motor winding grounded, cable shield grounded, earth leakage current. | Check insulation resistance of motor and cabling. If fault occurs immediately without motor connected, internal sensor hardware fault — return unit for repair. |
| OC5 | Motor overload (I²t) | Motor overload thermal monitoring triggered. | Continuous operation above rated motor current, improper motor current parameter setting. | Check drive sizing and load mechanics, verify motor rating parameters in C0087/C0088. |
| OU | Overvoltage DC bus | DC bus voltage exceeds upper threshold. | Regenerative energy from motor during deceleration, deceleration time set too short, line voltage too high. | Increase deceleration ramp time, install braking resistor module / chopper unit, check mains voltage. |
| LU | Undervoltage DC bus | DC bus voltage dropped below lower limit. | Mains supply voltage too low, phase failure, mains supply interrupted. | Check supply voltage and line fuses. |
| OH | Heatsink overtemperature | Drive heatsink temperature exceeded allowable threshold. | Inadequate cooling air flow, clogged heatsink, ambient temperature too high, fan failure. | Clean heatsink, ensure adequate cabinet ventilation, check cooling fan operation. |
| OH4 | Inverter thermal overload (I x t) | Inverter power section overload threshold exceeded. | Drive continuously operated above rated continuous output current. | Reduce drive load or upgrade to larger inverter rating. |
| CE0 | Communication error | Interruption of fieldbus or function module communication. | Loose module attachment, fieldbus connection line broken, bus master timeout. | Check function module seating, cable connections, and bus termination resistors. |
| EEr | EEPROM error | Internal memory failure or parameter corruption during read/write operation. | Power failure during parameter save, non-volatile memory corruption. | Reload factory default parameters (C0002 = 1). If fault persists, internal hardware memory error — replace unit. |
| NMAX | Speed limit exceeded | Actual motor speed exceeded maximum speed setting (C0032) by more than 20%. | Incorrect feedback setup, drive runaway, overhauling load. | Check motor control setup, encoder feedback parameters, and mechanical load. |
Frequently Asked Questions
How do I back up and restore parameters on the Lenze E82EV551_4B?
Parameters can be copied directly using the optional E82ZBC XT Keypad or backed up via a PC running Lenze Global Drive Control (GDC) software. The drive features non-volatile EEPROM memory that stores up to four parameter sets, allowing easy transfer to a replacement unit.
Does the Lenze E82EV551_4B include built-in I/O terminals and an RFI filter?
No, the E82EV551_4B is a basic version frequency inverter supplied without an integrated radio interference filter. Terminal I/O and fieldbus interfaces are added via plug-in modules, such as the E82ZAFSC Standard I/O module or E82ZAFPC PROFIBUS module.
What do the red and green status LEDs indicate on the inverter?
A solid green LED indicates the drive is ready and operating normally. A flashing green LED signifies initialization or parameter downloading in progress. A solid or flashing red LED indicates a warning or fault state.
How do I reset a persistent EEr fault on the E82EV551_4B?
An EEr fault indicates an EEPROM memory error or parameter corruption. You can attempt to clear it by resetting the drive to factory default parameters (setting C0002 = 1). If the fault persists after a power cycle, internal hardware memory failure has occurred and the unit must be replaced.
What is the recommended replacement path for the legacy Lenze 8200 Vector drive?
While identical E82EV551_4B units provide the fastest plug-and-play swap without cabinet wiring changes, Lenze designates the i550 Cabinet Series (model i55AE155F1AV00000S) as the direct successor for modern control cabinet upgrades.
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