Lenze E84AVSCE7524SB0 8400 StateLine C Frequency Inverter
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Product Information
The Lenze E84AVSCE7524SB0 is a cabinet-mounted 8400 StateLine C frequency inverter engineered for controlled speed and torque applications in automated industrial environments. Operating from a 3-phase mains supply voltage range of 320 V to 550 V AC (rated at 400/500 V AC), this 7.5 kW drive delivers a nominal output current of 16.5 A at 400 V and 13 A at 500 V. The unit supports both Sensorless Vector Control (SLVC) and standard V/f characteristic control across an output frequency range of 0 to 599 Hz. Housed in an IP20 enclosure, the drive features integrated Safe Torque Off (STO) functional safety, allowing safety circuits to disable torque generation directly without external power contactors.
Field connection to control networks and peripherals is provided through an onboard CANopen system bus alongside control I/O terminals comprising five HTL digital inputs, two flexible analog inputs (-10/+10 V or 0/4-20 mA), one digital output, one relay output, and one analog output. An integrated expansion slot accommodates optional communication modules for PROFINET, PROFIBUS-DP, EtherCAT, or EtherNet/IP networks. Commissioning a replacement unit is streamlined by an external plug-in EEPROM memory card, which allows direct parameter transfer from a donor drive without software tools. Engineering adjustments and diagnostics can also be executed using Lenze EASY Starter or L-force Engineer software via a USB diagnostic adapter or an optional X400 plug-in keypad.
System status and fault states are indicated on the front panel by dedicated LEDs for drive readiness, drive error, CAN run, and CAN error. Comprehensive error tracking and parameter monitoring are accessible using the optional X400 keypad or through log file generation in EASY Starter. Common site issues, such as bus line errors, overvoltage, or thermal overloads, can often be resolved by verifying mains supply voltages, checking braking resistor connections, inspecting fan ventilation, and ensuring bus cable shielding. If an internal hardware self-test failure occurs, such as code H01, board-level faults are not field-serviceable, and sourcing a tested replacement unit from ABC Industrial Parts offers a dependable path back to production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E84AVSCE7524SB0 |
| Model / Type | 8400 StateLine C |
| Product Family | 8400 StateLine |
| Component Type | Frequency Inverter |
| Rated Power | 7.5 kW |
| Supply Voltage Range | 320 - 550 V AC |
| Nominal Supply Voltage | 400 / 500 V AC |
| Output Current (400V) | 16.5 A |
| Output Current (500V) | 13 A |
| Control Method | Sensorless Vector Control (SLVC), V/f Characteristic Control |
| Output Frequency Range | 0 - 599 Hz |
| Switching Frequency | 8 kHz |
| Digital Inputs | 5 |
| Digital Outputs | 1 (plus 1 Relay Output) |
| Analog Inputs | 2 |
| Analog Outputs | 1 |
| Integrated Bus Interface | CANopen |
| Integrated Safety | Safe Torque Off (STO) |
| Protection Rating | IP20 |
Programming and Configuration
Parameterization and commissioning of the Lenze E84AVSCE7524SB0 are supported through Lenze EASY Starter and L-force Engineer software suites. Connection between a PC and the drive is established using the Lenze USB Diagnostic Adapter (E84AYCCA). These tools provide direct access to drive parameter sets, motor control parameters, switching frequency adjustments, and safety function settings.
For rapid parameter transfer without connecting a laptop, the inverter utilizes a removable external EEPROM memory module. Transferring the EEPROM module from an existing drive into a replacement unit automatically copies all operational parameters, terminal configurations, and control settings.
Local manual operation and monitoring can be performed at the cabinet panel using the optional Lenze X400 Keypad (EZAEBK1001). The plug-in keypad allows technicians to alter drive parameters, monitor live operating variables, and view active fault codes directly on the unit.
Communication and System Integration
The E84AVSCE7524SB0 features an integrated CANopen system bus capable of data communication speeds up to 1 Mbit/s. Onboard DIP switches and parameter settings facilitate rapid node ID configuration and line termination across standard CAN networks.
In addition to integrated CANopen, the drive includes a modular extension slot to integrate into alternative industrial fieldbus networks. Optional plug-in communication modules include PROFINET (E84AYCER), PROFIBUS-DP (E84AYCPM), EtherCAT (E84AYCET), and EtherNet/IP (E84AYCEO).
Hardwired control signals are interfaced directly through the terminal strip. The drive provides five digital inputs, two analog inputs (supporting -10/+10 V voltage or 0/4-20 mA current signals), one digital output, one relay output, and one analog output, ensuring flexibility for standard PLC interlocks and local speed references.
Diagnostics and Status Indication
Visual status monitoring is located on the front cover of the inverter via four diagnostic status LEDs: DRIVE READY, DRIVE ERROR, CAN RUN, and CAN ERR. These indicators provide clear feedback on controller readiness, fault trip states, and fieldbus communication activity.
Detailed diagnostics and error logs are accessible using Lenze EASY Starter engineering software or the optional X400 plug-in keypad. Diagnostic log files record fault events alongside operating conditions to aid in targeted troubleshooting.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Indicates operational readiness status of inverter controller | |
| DRIVE ERROR | Indicates fault or trip state active on the inverter | |
| CAN RUN | Indicates CANopen fieldbus operational communication status | |
| CAN ERR | Indicates CANopen fieldbus communication fault or bus-off state |
Replacement and Spare Part Considerations
When replacing an existing E84AVSCE7524SB0 drive, ensure that the power rating (7.5 kW) and safety options match the original unit configuration. The 'S' in the order code confirms the presence of the integrated Safe Torque Off (STO) function, which is necessary for installations relying on integrated functional safety.
Parameters can be transferred instantly by removing the EEPROM memory card from the faulty drive and inserting it directly into the replacement inverter. If an optional fieldbus interface card (such as PROFINET E84AYCER or PROFIBUS E84AYCPM) was installed in the original unit, it must be moved to the expansion slot of the replacement drive to preserve network connectivity.
For modernizing control panels or replacing legacy installations, the direct successor to the 8400 StateLine C series is the Lenze i550 cabinet inverter series (part number i55AE275F1AV00000S). ABC Industrial Parts provides technical assistance with parameter extractions, donor unit prep, and supply of tested spare units.
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 terminals or ground fault in motor cable. | Short circuit in motor winding or cable; earth fault; acceleration time too short. | Check motor and wiring for short circuit / earth fault; check acceleration time. |
| OC2 | Overcurrent during Deceleration | Output current exceeded trip limit during deceleration. | Deceleration time too short; braking resistor absent or undersized. | Extend deceleration time or connect suitable braking resistor. |
| OC5 | I2t Motor Overload | I2t motor monitoring triggered due to sustained overload. | Motor operated above rated current for too long; mechanical jam. | Check motor load and mechanical drive components. |
| OU | DC Bus Overvoltage | DC bus voltage exceeded upper limit. | Excessive regenerative energy from motor; braking resistor failure or missing; mains voltage too high. | Check mains supply voltage; extend deceleration ramp; check braking chopper and resistor. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below minimum threshold. | Mains supply failure or phase drop; power supply line impedance too high. | Check mains voltage and line fuses. |
| OH | Heatsink Overtemperature | Power section heatsink temperature exceeded maximum safety threshold. | Ambient temperature too high; cooling fan dirty or defective; insufficient clearance around unit. | Clean heatsink/fan; improve cabinet ventilation; check installation clearances. |
| OH4 | Motor Overtemperature | Motor temperature sensor (PTC/KTY/TP) registered overtemperature. | Motor thermal overload; cooling fan on motor failed; sensor wire broken. | Allow motor to cool down; check motor cooling and sensor wiring. |
| CE0 | CAN Communication Error | Bus warning or bus OFF state reached on integrated CANopen system bus. | Cable fault, incorrect termination resistor, baud rate mismatch, high noise level. | Check CAN bus wiring, shield connection, termination switches, and node IDs. |
| H01 | Internal Hardware Fault | Control board self-test failed or internal hardware malfunction detected. | Internal electronic board defect. | Internal hardware fault — return unit for repair or replace inverter. |
Frequently Asked Questions
How do I transfer parameters from a failed Lenze E84AVSCE7524SB0 to a spare unit?
You can swap the removable plug-in EEPROM memory card from the original drive into the replacement inverter. This transfers all stored parameters and configuration data without requiring a laptop or engineering software.
What control software is used for commissioning this frequency inverter?
The drive is commissioned using Lenze EASY Starter or L-force Engineer software connected via a Lenze USB Diagnostic Adapter (E84AYCCA). Alternatively, local parameters can be adjusted using the optional X400 plug-in keypad (EZAEBK1001).
Which fieldbus interfaces are supported by the E84AVSCE7524SB0?
The drive includes an onboard CANopen bus interface. It also accepts modular extension cards for PROFINET (E84AYCER), PROFIBUS (E84AYCPM), EtherCAT (E84AYCET), and EtherNet/IP (E84AYCEO).
What does fault code H01 indicate on this drive?
Fault code H01 indicates an internal hardware fault where the control board failed its self-test. This error is an internal electronic defect that requires unit repair or replacement.
Is the Safe Torque Off (STO) safety function included in this model?
Yes, the E84AVSCE7524SB0 includes integrated Safe Torque Off (STO) functional safety, allowing safety circuits to disable power output without external safety contactors.
What is the direct successor model for the 8400 StateLine C 7.5 kW inverter?
The direct successor series is the Lenze i550 cabinet inverter line, specifically part number i55AE275F1AV00000S.
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