LENZE E84DGF Series Inverter Drives E84DGFCRENPX069

Technical Dossier

Product Details And Specifications

LENZE E84DGF Series Technical Notes

The LENZE E84DGF series — commercially designated as the Lenze 8400 StateLine — is a family of compact, single-axis frequency inverters engineered for decentralized and centralized drive applications in continuous-process industries. Deployed across chemical processing plants, oil refineries, nuclear auxiliary systems, pulp and paper mills, and water treatment infrastructure, the E84DGF platform occupies a critical position in global heavy-industry automation. Its voltage range (200–480 V AC), integrated EMC filtering options, and fieldbus-ready architecture made it a standard-specification component in European and Asian industrial projects from the mid-2000s through the 2010s. The series supports motor control modes including V/f, sensorless vector (SLVC), and closed-loop vector control (with encoder feedback), covering output power ratings from 0.25 kW to 90 kW within a unified parameter structure (Lenze Global Drive Control, LGDC).

The Evolution of E84DGF Architecture

The E84DGF series succeeded the earlier Lenze 8200 vector and 8200 motec platforms, inheriting their parameter philosophy while introducing a 32-bit DSP core, integrated PLC functionality (IEC 61131-3 via Lenze Engineer software), and a standardized keypad/communication interface. Early production units (circa 2005–2010) used the E84DGF_R suffix convention to denote the power stage and filter configuration. Subsequent revisions introduced enhanced EMC Class C2 filters, Safe Torque Off (STO, SIL 2 / PLd) as a standard safety function, and expanded fieldbus support (PROFIBUS-DP, CANopen, EtherCAT, PROFINET, DeviceNet via plug-in communication modules).

By 2018, Lenze announced the transition roadmap toward the i550 and i700 series as the strategic successors. The E84DGF line entered the mature/end-of-active-production phase, with Lenze committing to spare parts availability under its standard 10-year post-discontinuation policy. For installations where a like-for-like replacement is required — particularly in safety-certified or validated process lines — sourcing original E84DGF units remains the preferred engineering decision over cross-series migration.

E84DGF Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the E84DGF series. Units are classified by power stage and integrated option configuration.

Compact StateLine — Single-Phase Input (200–240 V)

• E84DGFCR1P5: 1.5 kW, 1-phase input, integrated EMC filter, IP20 enclosure
• E84DGFCR2P2: 2.2 kW, 1-phase input, V/f and SLVC control, standard I/O
• E84DGFCR4P0: 4.0 kW, 1-phase input, brake chopper integrated, DIN rail mount

Standard StateLine — Three-Phase Input (380–480 V)

• E84DGFCR5P5: 5.5 kW, 3-phase, integrated RFI filter Class C2, STO ready
• E84DGFCR7P5: 7.5 kW, 3-phase, closed-loop vector with encoder input option
• E84DGFCR011: 11 kW, 3-phase, extended I/O, fieldbus-ready via E84AYCA_ modules
• E84DGFCR015: 15 kW, 3-phase, integrated DC bus choke, IP20
• E84DGFCR018: 18.5 kW, 3-phase, high-overload rating (150% for 60 s)
• E84DGFCR022: 22 kW, 3-phase, dual-rating frame (normal duty / heavy duty)
• E84DGFCR030: 30 kW, 3-phase, cabinet-mount format, integrated brake resistor terminal
• E84DGFCR037: 37 kW, 3-phase, PROFIBUS-DP option slot, extended diagnostics
• E84DGFCR045: 45 kW, 3-phase, EtherCAT-compatible, STO SIL 2 certified
• E84DGFCR055: 55 kW, 3-phase, forced-air cooling, IP20 panel-mount
• E84DGFCR075: 75 kW, 3-phase, high-power frame, DC bus sharing capable
• E84DGFCR090: 90 kW, 3-phase, top-of-range StateLine, full vector control

Application-Specific & Communication Variants

• E84DGFCRENPX069: Multi-axis coordinated drive variant with PROFINET I/O interface, extended parameter set for pump/fan/compressor applications, IP20, 380–480 V 3-phase input — the subject SKU of this listing
• E84DGFCRENP: PROFINET-enabled base variant, standard power frame, plug-in communication module pre-installed

Quality Control for the E84DGF Range

Each E84DGF unit processed by DriveKNMS undergoes a structured inspection and functional test sequence specific to the series' architecture:

• Power stage verification: IGBT gate drive integrity check, DC bus capacitor ESR measurement, inrush current limiter continuity
• Control board diagnostics: DSP boot sequence validation, EEPROM parameter read/write cycle, analog I/O calibration (±10 V, 0–20 mA channels)
• Communication module test: For PROFINET/PROFIBUS variants (including E84DGFCRENPX069), cyclic data exchange is verified against a reference PLC at rated telegram cycle time
• STO function test: Safe Torque Off input response time measured and logged against SIL 2 / PLd requirements
• Load simulation: Motor emulator load applied at 25%, 50%, 75%, and 100% rated output; thermal imaging performed at 100% load for 10 minutes
• Final parameter restore: Factory default parameter set restored; firmware version recorded on test certificate