REOVIB MFS Modules

Technical Dossier

Product Details And Specifications

REOVIB MFS Series: Comprehensive Module Range and Technical Overview

The REOVIB MFS series, manufactured by Afag / Reo (Germany), is a purpose-engineered line of vibration controller modules designed for electromagnetic vibratory feeders and bowl feeder systems. These units are deployed across heavy industrial environments including automotive assembly lines, pharmaceutical packaging plants, chemical processing facilities, and food-grade production systems where precise parts-feeding and material conveyance are critical to throughput. The MFS series occupies a dominant position in the global vibratory drive controller market, with installed bases found in European, North American, and Asian manufacturing plants. Its modular architecture, DIN-rail mounting compatibility, and wide input voltage tolerance have made it a long-term standard in factory automation infrastructure.

The Evolution of MFS Architecture

The REOVIB MFS product line was developed to replace earlier analog rheostat-based vibratory controllers with digitally adjustable, phase-angle controlled thyristor outputs. Early-generation MFS units operated on fixed-frequency 50 Hz mains with manual potentiometer amplitude adjustment. Subsequent revisions introduced half-wave and full-wave rectification options, enabling compatibility with both AC electromagnetic drives and DC coil assemblies. Mid-generation MFS controllers added external setpoint input (0–10 V / 4–20 mA) for PLC integration, allowing closed-loop amplitude control without manual intervention. Later variants incorporated soft-start ramp functions to reduce mechanical shock on feeder tooling at startup. The current MFS generation supports frequency selection (50/60 Hz), adjustable phase angle from 0° to 180°, and optional sensor feedback inputs. Compatibility across generations is limited by connector pinout and control voltage differences; substitution between early and late MFS variants requires verification of coil impedance and control interface type. Many early MFS models are now discontinued, placing them in the lifecycle maintenance and long-term spare parts category.

MFS Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented REOVIB MFS series range, classified by output type, power rating, and control interface. Each model is a discrete controller unit for vibratory feeder applications:

26BUL: Half-wave servo controller, 230 V AC input, manual amplitude adjustment, DIN-rail mount
MFS 26: Standard half-wave controller, 230 V AC, 26 W output, potentiometer control
MFS 52: Full-wave controller, 230 V AC, 52 W output, suitable for medium-load bowl feeders
MFS 104: Full-wave controller, 230 V AC, 104 W output, high-load vibratory drive applications
MFS 208: Full-wave controller, 230 V AC, 208 W output, heavy-duty industrial feeder systems
MFS 26/E: Half-wave controller with external 0–10 V setpoint input for PLC amplitude control
MFS 52/E: Full-wave controller, 52 W, external analog setpoint input, PLC-compatible
MFS 104/E: Full-wave controller, 104 W, external setpoint, closed-loop amplitude regulation
MFS 208/E: Full-wave controller, 208 W, external setpoint, high-power PLC-integrated systems
MFS 26/S: Half-wave controller with soft-start ramp function, reduces feeder tooling shock
MFS 52/S: Full-wave controller, 52 W, integrated soft-start, medium-load feeders
MFS 104/S: Full-wave controller, 104 W, soft-start, extended tooling service life
MFS 26/ES: Half-wave, external setpoint + soft-start combined, PLC-ready with ramp control
MFS 52/ES: Full-wave, 52 W, external setpoint + soft-start, dual-function control module
MFS 104/ES: Full-wave, 104 W, external setpoint + soft-start, high-load PLC-integrated feeder
MFS 208/ES: Full-wave, 208 W, external setpoint + soft-start, maximum-output servo controller
MFS 26/F: Frequency-selectable (50/60 Hz) half-wave controller for multi-region deployment
MFS 52/F: Frequency-selectable full-wave controller, 52 W, global voltage compatibility

Sourcing Hard-to-Find & Obsolete MFS Parts

A significant portion of the REOVIB MFS catalog — particularly early half-wave variants such as the 26BUL, MFS 26, and MFS 26/S — has entered end-of-life or discontinued status. OEM lead times for these models are either extended beyond operational tolerance or the parts are no longer available through standard distribution channels. DriveKNMS maintains a dedicated inventory of new-old-stock (NOS), reconditioned, and functionally equivalent MFS units sourced through authorized secondary market channels. For production lines where MFS controllers are embedded in legacy feeder systems with no direct upgrade path, DriveKNMS provides lifecycle extension support: cross-reference verification, drop-in replacement identification, and long-term supply agreements. Customers operating in regulated industries (pharmaceutical, food processing) where re-validation of feeder systems is cost-prohibitive benefit directly from this service, as it eliminates the need for full system re-qualification triggered by controller substitution.

Quality Control for the MFS Range

REOVIB MFS controllers operate via phase-angle thyristor firing circuits, which require precise calibration verification before deployment in production environments. DriveKNMS applies the following test protocol to all MFS units processed through its facility: (1) Input voltage tolerance test across rated range (±10% of nominal); (2) Output waveform verification using oscilloscope — half-wave and full-wave rectification confirmed against OEM waveform reference; (3) Phase-angle sweep test from 0° to 180° to confirm linear amplitude response; (4) External setpoint input calibration (0–10 V and 4–20 mA) verified against output amplitude on /E and /ES variants; (5) Soft-start ramp timing verification on /S and /ES variants using calibrated load resistor; (6) Thermal stress test at rated output for 30 minutes continuous operation; (7) DIN-rail connector and terminal block torque and continuity check. Units that fail any stage are quarantined, documented, and either repaired to OEM specification or rejected. Test records are retained and available upon request for regulated-industry customers.