Lenze E82EV251_2B 8200 Vector Frequency Inverter
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Product Information
The Lenze E82EV251_2B is a 0.25 kW variable frequency inverter belonging to the 8200 Vector drive series, designed for precise speed and torque regulation of standard AC induction motors in material handling, packaging, HVAC, and general manufacturing applications. Operating on a 230 V AC single- or three-phase supply across an input voltage range of 180 to 264 V AC, this compact drive delivers a continuous output current of 1.7 A with a peak output current rating of 2.55 A, providing a 150% overload capacity for 60 seconds during high-torque startup conditions. The unit supports linear V/f, quadratic V/f, and sensorless vector control methods with an output frequency range from 0 to 480 Hz at an 8 kHz switching frequency. As an unfiltered basic variant, signified by the B suffix in the part number, the drive operates without an integrated RFI filter and is designed for installations that utilize external line filtering to meet EMC requirements.
Interfacing the E82EV251_2B with machine controls is handled via a pluggable Function Module Interface (FIF) slot, which accepts options such as the Lenze Standard I/O Module E82ZAFSC or fieldbus modules including the Lenze CANopen Module E82ZAFCC, PROFIBUS-DP, DeviceNet, and INTERBUS. Commissioning a replacement unit requires transferring the parameter configuration from the original drive, which can be accomplished using the optional XT Keypad E82ZBC00 or Lenze Global Drive Control (GDC) software. The drive stores up to four independent parameter sets in non-volatile EEPROM memory, enabling easy parameter backup and recipe management. When replacing a failed drive in the field, transferring the existing function module and cloning the saved parameter set ensures proper operation without requiring control re-wiring, with expert technical assistance available through ABC Industrial Parts for sourcing compatible spare units and configuration tools.
Diagnostic information is provided on the front panel via dual LED indicators for power/ready status and active trip faults, alongside real-time diagnostic parameters including output current (P012), output voltage (P013), and DC bus voltage (P018). Fault conditions such as overcurrent (OC1, OC2, OC5), DC bus overvoltage (OU), or undervoltage (LU) are stored in parameter P160 fault history log for rapid troubleshooting. First-line maintenance checks should verify AC line supply voltage, motor wiring insulation, heatsink cooling airflow, and the mechanical seating of the pluggable function module. In the event of internal EEPROM data failure (EE) or hardware faults such as heatsink temperature sensor failure (H10), internal components are not field-serviceable, and sourcing a replacement drive or tested exchange unit from ABC Industrial Parts offers the fastest path back to full production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E82EV251_2B |
| Model / Type | 8200 Vector Frequency Inverter |
| Product Family | 8200 Vector |
| Rated Power | 0.25 kW |
| Supply Voltage | 230 V AC |
| Supply Voltage Range | 180 - 264 V AC |
| Continuous Output Current | 1.7 A |
| Peak Output Current | 2.55 A |
| Output Voltage | 0 - 230 V AC |
| Output Frequency Range | 0 - 480 Hz |
| Control Method | Sensorless Vector Control, V/f Linear, V/f Quadratic |
| Switching Frequency | 8 kHz |
| Overload Capacity | 150% for 60s |
| Power Loss | 20 W |
| Integrated RFI Filter | No (Unfiltered) |
Programming and Configuration
The Lenze E82EV251_2B frequency inverter is configured using Lenze Global Drive Control (GDC) software or the pluggable Lenze XT Keypad E82ZBC00. Parameterization allows tailored adjustment of motor dynamics, acceleration/deceleration ramps, speed limits, and control modes including sensorless vector control, V/f linear, and V/f quadratic characteristics.
Internal non-volatile EEPROM memory supports up to four independent parameter sets. This capability permits rapid recipe changes on processing machinery or seamless duplication of parameters when commissioning spare units. If parameter data becomes inconsistent or corrupted, setting parameter P002 reloads the factory default values, enabling a clean re-commissioning baseline.
Communication and System Integration
System integration is achieved through the modular Function Module Interface (FIF) slot located on the front of the inverter. By inserting specific option modules, the drive connects directly to digital/analog control circuits or fieldbus networks without requiring external signal conversion hardware.
Supported interface modules include the Lenze Standard I/O Module E82ZAFSC for conventional wiring, and fieldbus options such as the Lenze CANopen Module E82ZAFCC, PROFIBUS-DP, DeviceNet, and INTERBUS. Built-in system bus capabilities allow coordinated multi-axis control and direct process data exchange with host PLC systems.
Diagnostics and Status Indication
Real-time operating conditions can be monitored using front-panel LED indicators or by interrogating diagnostic parameters via the XT Keypad or GDC software. Monitored values include output current (P012), output voltage (P013), and DC bus voltage (P018).
Historical fault data is stored in parameter P160, which logs active and past trip codes to aid in root-cause fault diagnosis during machine maintenance.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Power / Ready | Green - Solid | Operating state healthy / DC bus voltage normal |
| Fault | Red - Solid / Flashing | Active trip fault or warning condition |
Replacement and Spare Part Considerations
When replacing an existing Lenze E82EV251_2B drive, ensure that the part number matches precisely, specifically noting the 'B' designation which indicates an unfiltered unit. Installations using this drive must rely on external RFI filters to maintain compliance with regional EMC standards.
Replacing a unit requires transferring both the physical Function Module (FIF) and the parameter profile from the original unit. Parameter transfer can be executed by uploading the saved configuration file via Lenze GDC software or copying parameter sets via an XT Keypad E82ZBC00.
For modernizing control systems or replacing unavailable legacy components, the Lenze i510 and i550 drive series serve as the recommended modern successor product family.
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 / Overcurrent acceleration | Output current exceeded instantaneous trip limit during acceleration phase | Acceleration time set too short; motor cable short-circuit or earth fault; motor damaged or locked | Increase acceleration time; check motor wiring and insulation; check motor for mechanical blockage |
| OC2 | Short circuit / Overcurrent deceleration | Output current exceeded instantaneous trip limit during deceleration phase | Deceleration time set too short; short circuit in motor output | Increase deceleration time; check motor wiring and load inertia |
| OC5 | Overload / Overcurrent steady-state | Output current continuously exceeded drive rated limit during steady-state operation | Mechanical overload on motor shaft; incorrect motor parameter settings | Check mechanical load; check motor rated current parameter |
| OU | Overvoltage DC bus | DC bus voltage exceeded safe limit (> 400 V DC for 230 V class) | Excessive regenerative energy during deceleration; deceleration time too short; missing brake resistor | Increase deceleration time; connect brake module / brake resistor |
| LU | Undervoltage DC bus | DC bus voltage dropped below minimum operating limit | Mains supply voltage too low; phase failure; mains blackout | Check AC mains supply voltage and line fuses |
| OH | Overtemperature heatsink | Heatsink temperature exceeded maximum permissible limit | Inadequate cooling; ambient temperature too high; fan defective or clogged heatsink | Clean heatsink cooling fins; improve cabinet ventilation; check internal cooling fan |
| OH4 | Overtemperature motor | Motor thermal PTC sensor tripped | Motor thermal overload; insufficient motor cooling; PTC sensor wire break | Allow motor to cool down; check motor load; verify PTC wiring |
| EE | EEPROM memory fault | Internal EEPROM checksum or data transfer failure | Internal hardware failure or memory corruption caused by severe electrical noise | Internal hardware fault — reset unit to factory defaults; if error persists, replace the unit |
| CE0 | Communication error at FIF module | Loss of internal communication between drive and plugged-in function module | Function module loose, wrongly seated, or defective | Power down, reseat function module securely; replace function module if defect continues |
| CE1 | System bus (CAN) communication error | CAN communication timeout or bus off condition on CAN interface | Broken CAN cable, incorrect termination resistor, baud rate mismatch | Check CAN bus wiring, shield grounding, termination resistors, and baud rate setting |
| CE2 | System bus (CAN) channel 2 communication error | Communication failure on CAN channel 2 process data transfer | CAN master interrupted communication | Check master status and CAN cabling |
| CE4 | Fieldbus communication error | Loss of communication between fieldbus module (e.g. PROFIBUS) and host PLC | Fieldbus cable fault, master controller stopped, incorrect node address | Check fieldbus cable connections, node address, and PLC state |
| H10 | Heatsink temperature sensor defect | Internal heatsink temperature sensor wire break or short circuit | Internal hardware failure on control board | Internal hardware fault — board level failure requiring factory service or unit replacement |
| LP | Mains phase failure | Phase unbalance or loss of an AC input phase | Mains fuse blown, bad line supply contact | Check line fuses and input power wiring |
| P12 | Parameter set error | Inconsistent or invalid parameter data detected in active parameter set | Incomplete transfer or corrupted parameter memory | Reload factory setting (P002) and re-commission drive |
| NMAX | Maximum speed limit exceeded | Output frequency exceeded maximum safety limit | Motor driven externally (overhauling load) or improper motor control parameters | Check mechanical drive train and speed limit parameters |
| Err | Keypad communication error | Loss of serial connection between drive CPU and XT Keypad | Keypad not seated properly on plug interface | Re-attach keypad securely |
Frequently Asked Questions
What software is required to configure the Lenze E82EV251_2B drive?
The inverter can be configured using Lenze Global Drive Control (GDC) software or manually using the pluggable Lenze XT Keypad E82ZBC00.
Does the E82EV251_2B contain an integrated RFI filter?
No, the B suffix in the part number indicates an unfiltered model. External line filtering must be installed if EMC compliance is required.
How do I transfer parameter settings from a faulty drive to a spare unit?
Parameter sets can be uploaded and downloaded using Lenze GDC software connected to a PC, or saved and restored using the XT Keypad E82ZBC00.
What does fault code EE indicate on the drive display?
Fault code EE indicates an internal EEPROM memory error caused by corruption or hardware failure. Resetting parameter P002 to factory defaults can resolve software corruption; if the fault remains, the drive unit must be replaced.
What modern drive series replaces the legacy Lenze 8200 Vector series?
Lenze recommends the i510 or i550 series frequency inverters as modern successors for legacy 8200 Vector installations.
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