Description

The RELIANCE ELECTRIC S-D4006 is a high-performance AC variable frequency drive (VFD) engineered for precision control of three-phase induction motors in demanding industrial applications. As part of Reliance Electric’s legacy FlexPak® 3000 series – now integrated into Rockwell Automation’s PowerFlex® ecosystem – this 400V class drive delivers robust 6A output current with advanced vector control algorithms for superior torque regulation (±0.5% speed accuracy). The S-D4006 features comprehensive motor management capabilities including automatic torque boost, dynamic braking, and stall prevention, enabling smooth starts/stops for high-inertia loads. Its modular design supports optional communication cards (DeviceNet, Profibus) for seamless PLC integration while the NEMA 1/IP20 rated enclosure ensures reliable operation in dusty manufacturing environments. With patented harmonic suppression technology and 150% overload capacity for 60 seconds, the RELIANCE ELECTRIC S-D4006 optimizes energy efficiency in conveyor systems, pump arrays, and machining centers while reducing mechanical stress on driven equipment.

RELIANCE ELECTRIC S-D4006

Technical Specifications

Main Features and Advantages

Precision Motor Control: Advanced sensorless vector algorithms in the S-D4006 maintain ±0.5% speed accuracy from 0.5 Hz to 300 Hz, enabling precise tension control in web handling and constant torque for mixers.
Adaptive Performance: Auto-tuning identifies motor parameters for optimal V/f curves, while slip compensation counters load-induced speed variations in centrifugal applications.
Robust Power Management: Integrated DC bus chokes reduce harmonic distortion (<35>Intuitive Programming: Backlit LCD keypad with multilingual menus simplifies setup. 16 programmable presets store application-specific parameters for quick changeovers.
Enhanced Diagnostics: Real-time monitoring of I/O status, power metrics, and fault history (last 10 events) accelerates troubleshooting. Thermal modeling protects motors during overloads.

Application Field

The S-D4006 excels in industrial motion control requiring variable speed operation. In material handling, it regulates conveyor belt synchronisation and palletizer lift mechanisms. Water treatment plants deploy it for pump station flow control with quadratic V/f curves to match affinity laws. HVAC systems leverage its PID loop for building pressure management via fan speed adjustment. Manufacturing lines utilize the S-D4006 for lathe spindle drives, extruder feed screws, and mixer agitation control. Its braking performance suits winding applications like wire spooling and paper rewinding. Food processing conveyors benefit from washdown-compatible models with corrosion-resistant coatings.

Related Products

S-D4003: 3A/1.5kW variant for smaller motors.

S-D4010: 10A/5.5kW next-step model.

20-COMM-D: DeviceNet communication module.

PowerFlex 40P: Modern NEMA 4X/IP66 rated successor.

1305-BA08A: Brake resistor kit for high-inertia loads.

HIM-C6S: Handheld interface module for remote programming.

S-D4015-HA: Hazardous area version with ATEX certification.

RELIANCE ELECTRIC S-D4006

Installation and Maintenance

Pre-installation preparation: Verify motor nameplate compatibility and clear ventilation space (>100mm sides, >150mm top). Ground drive chassis with<0>Maintenance recommendations: Quarterly clean air vents with low-pressure air. Annually check terminal torque (1.2 N·m power, 0.5 N·m control). Monitor DC bus voltage via keypad; >800V indicates regeneration issues. Replace cooling fans every 50,000 operational hours.