WEG CFW100 Micro Drive

Ultra-Compact Speed Control for Fractional Horsepower Motors

The WEG CFW100 packs full-featured variable speed control into the smallest footprint of the CFW drive family. Designed for OEM machinery, HVAC actuators, and small pumping systems, the CFW100 ships with integrated Modbus RTU, DIN-rail or panel mounting, and intuitive programming tools. Combine the drive with WEG geared motors or retrofit existing induction motors to deliver quiet, energy-efficient operation in tight spaces.

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Power Range

Single Phase 115V:
0.25 to 0.75 HP (0.18 to 0.55 kW)

Single/Three Phase 230V:
0.25 to 1 HP (0.18 to 0.75 kW)

Three Phase 400-480V:
0.5 to 1.5 HP (0.37 to 1.1 kW)

Control Highlights

V/F or Sensorless Vector:
Smooth acceleration, torque boost, and flying start functions

SoftPLC Resources:
IEC 61131-3 macros for simple sequencing and logic

Motor Auto-Tuning:
Static and dynamic identification for optimal efficiency

Mechanical Design

45 mm wide housing with removable terminal blocks
DIN-rail clip and screw mounting in the box
IP20/IP66 enclosure options with remote keypad
Internal EMC filter for CE compliance
Integrated brake chopper on select frame sizes

Common Applications

Packaging feeders and labeling equipment
Booster pumps, fume hoods, and HVAC dampers
Light-duty conveyors and indexing tables
Food & beverage augers and mixers
Material testing stands and lab automation

Micro Drive Features that Matter

OEM Ready I/O

Six digital inputs, one relay output, and optional analog modules make the CFW100 a turnkey control solution for compact machines.

Embedded Communications

Standard Modbus RTU with auto-baud detection plus USB programming cable support keeps commissioning fast and consistent.

Macro Wizards

Preloaded pump, fan, and conveyor macros walk technicians through the necessary parameters in under five minutes.

Flexible Accessories

Remote keypad, door-mount kits, EMC filters, and braking resistors ship from Gross Automation for a complete, panel-ready solution.

Communication & Expansion Modules

Modbus RTU (Standard)

Native RS-485 port with easy addressing and broadcast support for multi-drive networks.

CANopen

Pluggable module enables PDO mapping and heartbeat monitoring for distributed systems.

DeviceNet

Ideal for Rockwell OEM machines that demand quick integration without custom gateways.

I/O Expansion

Optional module adds two analog inputs and an additional relay for advanced process control.

Selecting the Right CFW100

Catalog Number Breakdown

CFW100 part numbers encode voltage rating, rated current, enclosure style, and control board options. Share your motor nameplate data and environment details—we will cross-reference the appropriate SKU and accessories.

Engineering Support

Need help integrating the CFW100 with your PLC? Our automation team can map control I/O, develop SoftPLC routines, and validate thermal performance.

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CFW100 Documentation & Tools

Quick Reference Guide

Overview of ratings, wiring terminals, and commissioning tips produced by Gross Automation.

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Programming Checklist

Step-by-step parameters for basic speed control, hand/off/auto selection, and analog feedback.

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Dimension Drawings

Request CAD and dimensional data for panel layout and enclosure design.

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