Lenze 33.8607_E 8600 Series 5.5 kW Frequency Inverter

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Product Information

Product Family: 8600 Series | Series: 8600

The Lenze 33.8607_E (also designated as EVF8607-E) is a 5.5 kW (7.5 HP) frequency inverter drive controller from the Lenze 8600 series designed for precision regulation of standard three-phase AC induction motors. Operating across a wide 3-phase supply voltage range of 320 V AC to 528 V AC, this AC drive delivers controlled motor performance through programmable linear and quadratic V/f characteristic curves. Featuring a continuous output current rating of 13 A at 400 V AC and a peak current rating of 19.5 A for up to 60 seconds, the unit provides 150% overload capacity to easily manage heavy startup loads and transient torque demands in material handling conveyors, industrial ventilation fans, pumps, and packaging machinery.

System wiring and control integration are supported via built-in terminal connections featuring six 24 V DC digital inputs, two analog setpoint inputs (0–10 V, 0–20 mA, or 4–20 mA), two open-collector digital outputs, an analog monitor output, and an integrated fault relay. Network communication and local parameter management are interfaced through a modular front expansion slot that accepts the 2102 IB operating keypad or optional communication modules for PROFIBUS-DP, CANopen, LECOM RS232/RS485, and Interbus. Bringing a spare drive into service requires matching motor and application parameters, which can be transferred using non-volatile parameter memory cloning inside the 2102 IB keypad or uploaded directly using PC software. Maintenance teams requiring expert technical assistance with parameter extraction or commissioning can rely on support from ABC Industrial Parts.

Operational monitoring is provided via front status indicators, including a solid green Power LED confirming mains voltage presence and an active control unit, alongside a red Fault LED indicating trip conditions. When fitted with the 2102 IB operating module, a 3-digit LED display presents real-time diagnostic states and fault codes, backed by an internal non-volatile trip history log. Operational faults such as DC bus overvoltage (OU), undervoltage (LU), phase failure (LP), or motor overtemperature (OH4) can often be resolved on-site through line power verification, ramp adjustment, or cooling maintenance. If internal power stage short circuits (OC1) or hardware self-test errors (H05) occur, these represent non-field-serviceable board-level faults where sourcing a tested replacement unit from ABC Industrial Parts offers the most effective path back to full production.

Technical Specifications

ManufacturerLenze
Part Number33.8607_E
Model / Type8600
Component TypeFrequency Inverter
Product Family8600 Series
Rated Power5.5 kW
Supply Voltage Range320 V AC to 528 V AC (3-Phase)
Max Output Voltage480 V AC
Rated Output Current13 A
Peak Output Current19.5 A (60 seconds)
Output Frequency Range0 Hz to 480 Hz
Nominal Switching Frequency8 kHz (selectable up to 16 kHz)
Control MethodV/f characteristic control (linear/quadratic)

Programming and Configuration

Programming and parameter adjustments on the Lenze 33.8607_E frequency inverter are conducted using either the pluggable 2102 IB keypad module or Lenze Global Drive Control (GDC) PC software. Motor parameters, V/f control curves, acceleration and deceleration time ramps, and switching frequencies are configured and stored in non-volatile drive memory.

The 2102 IB operating module features internal non-volatile memory capable of saving complete parameter sets directly from the drive. This cloning capability enables technical staff to copy the configuration from an operational unit and download it straight into a spare drive without needing a computer or software connection on the plant floor.

When utilizing Lenze Global Drive Control (GDC) PC software, parameters can be modified, saved to disk, and downloaded via LECOM-A (RS232) or LECOM-B (RS485) plug-in interfaces. The software tool also includes diagnostic monitoring features that display setpoint values, actual output frequencies, and continuous operating conditions.

Communication and System Integration

The Lenze 33.8607_E utilizes a modular front expansion interface that allows seamless integration into industrial fieldbus networks and central control systems. By swapping plug-in communication modules, the base inverter drive can adapt to various industrial network architectures without requiring changes to the core power stage.

Supported communication modules include the 2111 IB LECOM-A module (RS232) and 2112 IB LECOM-B module (RS485) for point-to-point host coupling and software setup. For fieldbus networking, options include the 2131 IB PROFIBUS-DP cassette and 2172 IB CANopen cassette, allowing programmable logic controllers to issue operational commands, setpoint frequencies, and retrieve cyclic drive state status.

Hardwired signal terminals on the unit provide localized control through six 24 V DC digital inputs and two analog setpoint inputs accepting 0–10 V, 0–20 mA, or 4–20 mA signals. Feedback output signals are delivered via two open-collector digital outputs, an analog monitor output, and an integrated fault relay for tripping safety interlocks or alarm circuits.

Diagnostics and Status Indication

Drive status and operational health on the Lenze 33.8607_E are indicated through front panel LEDs and optional numeric display modules. A solid green Power LED indicates that mains power is applied and the internal control logic is powered, while a solid or flashing red Fault LED flags an active trip state.

When the 2102 IB keypad module is installed, a 3-digit LED display presents real-time operating codes and trip identifiers. In addition to active status monitoring, the drive records fault codes into a non-volatile history memory, allowing technicians to inspect prior fault events during diagnostic evaluations.

Status LED Indicators

LEDColor/StatusMeaning
Power LEDGreen - SolidMains voltage present and control unit operational
Fault LEDRed - Solid / FlashingActive drive fault or trip state

Replacement and Spare Part Considerations

When selecting a replacement for a Lenze 33.8607_E frequency inverter, verifying exact part numbers and control terminal wiring ensures drop-in physical compatibility. Replacement units require full parameter alignment before being put under machine load, as factory-default settings will not match application requirements.

Parameter transfer can be performed directly by swapping the pluggable 2102 IB operating module containing the stored parameter file into the replacement drive. Alternatively, parameter sets can be written using Lenze Global Drive Control (GDC) software over a LECOM RS232 or RS485 connection cassette.

As the Lenze 8600 series is legacy hardware, maintaining a pre-configured spare unit helps minimize unexpected downtime. For long-term plant modernizations, modern replacement options with functional parity include the Lenze 8200 vector series or Lenze i550 cabinet drives.

Error Codes & Fault Codes

The following error codes may be displayed during operation or diagnostics:

CodeNameDescriptionPossible CauseRecommended Action
OC1Short circuit / Earth faultShort circuit or ground fault detected on motor output terminalsShort circuit in motor winding or motor cable; earth fault in motor or wiring; excessive acceleration ramp steepnessCheck motor cable and insulation; measure motor winding resistance; check earth continuity. If fault occurs with motor disconnected, internal inverter power stage failure is likely - return unit for repair.
OC2Overcurrent during accelerationOutput current exceeded peak limit threshold during motor accelerationAcceleration time set too short; mechanical load jammed or overloaded; incorrect motor data parametersIncrease acceleration time; check mechanical system for binding; verify motor nameplate settings.
OC3Overcurrent during decelerationOutput current exceeded peak limit threshold during motor brakingDeceleration time set too short; generatoric energy feedback too highIncrease deceleration time or connect braking resistor.
OC5I x t motor overloadThermal motor protection overload tripContinuous operation at low speed under heavy load; incorrect motor current parameter settingCheck motor cooling; reduce load; check rated motor current setting.
OUOvervoltage DC busDC bus voltage exceeded maximum limit thresholdExcessive regenerative energy during deceleration; deceleration ramp too steep; mains voltage too highExtend deceleration time; check mains supply voltage; install or check braking module / resistor.
LUUndervoltage DC busDC bus voltage fell below minimum operation thresholdSupply voltage failure; phase loss on mains input; supply voltage too low; input power dropCheck mains voltage supply, fuses, line contactors, and input phase continuity.
OHHeatsink overtemperatureInverter heatsink temperature exceeded allowable operating limitInadequate cabinet ventilation; cooling fan fault or clogged air passages; ambient temperature above limitClean heatsink cooling fins; verify enclosure fan functionality and air flow; check ambient temperature.
OH4Motor PTC overtemperatureMotor thermistor sensor input detected overtemperatureMotor thermal overload; defective motor fan; broken thermistor wireAllow motor to cool down; inspect motor fan and load conditions; check PTC sensor wiring continuity.
LPMains phase failureLoss of one phase on 3-phase AC input supplyBlown input line fuse; loose wire on input terminal; main contactor phase dropCheck line voltage across all three input phases (L1, L2, L3) and check fuses.
EEREEPROM memory faultNon-volatile memory checksum errorElectromagnetic interference during write operation; corrupt parameter data; internal memory chip failureReset to factory defaults and reload parameters. If fault persists after power cycle, internal hardware failure — return unit for repair.
CE0Communication faultTime-out or error on communication interface / plug-in moduleInterrupted serial cable connection; bad fieldbus cable connection; communication timeout parameter exceededCheck fieldbus/serial wiring, termination resistors, and communication protocol settings.
H05Internal hardware faultInternal control board or power section self-test failureInternal electronic failure; damaged control board componentsInternal hardware fault — return unit for repair or replace drive controller.

Frequently Asked Questions

What power rating and voltage range does the Lenze 33.8607_E support?

The Lenze 33.8607_E inverter is rated for 5.5 kW (7.5 HP) output power and operates on a 3-phase supply voltage between 320 V AC and 528 V AC, delivering a continuous output current of 13 A.

How can parameter settings be transferred to a replacement drive?

Parameters can be cloned using the non-volatile memory in the pluggable 2102 IB operating keypad module. Alternatively, parameters can be uploaded and downloaded using Lenze Global Drive Control (GDC) PC software via a LECOM serial module.

Which fieldbus modules are supported by the 33.8607_E drive?

The front expansion interface supports plug-in cassettes including PROFIBUS-DP (2131 IB), CANopen (2172 IB), LECOM-A RS232 (2111 IB), and LECOM-B RS485 (2112 IB).

What does an OC1 fault code indicate on the 33.8607_E?

An OC1 code indicates a short circuit or earth fault on the motor output terminals. If the fault persists after disconnecting the motor cable and power cycling, the inverter power stage has suffered an internal failure requiring repair or unit replacement.

What is the overload capacity of the Lenze 33.8607_E?

The drive provides a 150% overload capacity, supporting a peak current output of 19.5 A for up to 60 seconds.

What modern Lenze drive series can replace the 8600 series?

Direct functional modernization paths for the legacy 8600 series include the Lenze 8200 vector series and Lenze i550 cabinet frequency inverters.

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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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