MFC-Depolox 5 Multi Funtions Controller

Summary

Product identification

The Wallace & Tiernan MFC-DEPOLOX® 5 is a multi-function controller designed for the accurate addition of disinfectant in potable, industrial, and wastewater. It offers precise measurement and control capabilities.

Features and Benefits

• Modular design for the DEPOLOX 5 measuring cell, accommodating up to three additional sensors.
• Four controller types available, including automatic setpoint adaptation.
• Timed dosing via programmable timed contacts is possible.
• Easy configuration through pre-defined, process-adapted applications.
• Simple connection to visualization systems via OPC server and to the web via the PMS process monitoring system.
• Additional functions include integrated calibration maintenance, simple draining of the measuring cell module, and water sampling.

Construction and Function

The MFC-DEPOLOX® 5 consists of the MFC electronic module and the DEPOLOX 5 measuring cell module.

MFC Electronic Module

• Display: Graphic LCD with backlight, 240 x 64 pixels resolution.
• Measurement Inputs:
  • 1 x DEPOLOX 5
  • Three free slots for additional modules, galvanically isolated up to 50 V.
  • 1 x dosing display (positioner copy).
• Digital Inputs:
  • 1 x for sample water flow monitoring.
  • 1 x external stop.
  • 1 x freely selectable (e.g., regulator stop, mode change, external setpoint).
• Control Outputs: For max. eight selectable alarm contacts/general alarms and regulated outputs for measured parameters. Each output is indicated by an LED. Max. 1250 VA up to 250 V AC, max. 150 W up to 220 V DC.
• Special Outputs: Timed contact for timed dosing.
• Analog Outputs (Option): 4 x 0/4 – 20 mA, freely configurable. Impedance ≤ 1000 Ohm, accuracy < 0.5% FS, galvanically isolated up to 50 V.
• Interfaces: RS 232 or RS 485.
• Power Supply:
  • 200 – 240 V AC ± 10 %, 50 – 60 Hz, 30 VA.
  • 100 – 120 V AC ± 10 %, 50 – 60 Hz, 30 VA.
  • 24 V DC ± 20 % 30 W.
• Ambient Temperature: 0 – 50 °C.
• Protection Rating: IP 66.
• Control and Marking: CE conform (89/336/EEC); EMC tests according to EN 61326; electrical safety according to EN 61010.
• Weight (with packaging): 5.5 kg.
• Dimensions (W x H x D): 320 x 270 x 175 mm.

DEPOLOX 5 Measuring Cell Module

• Available in non-pressurized or pressure-resistant versions.
• Can accommodate up to four probes simultaneously.
• Probes can measure: free chlorine, chlorine dioxide, ozone, potassium permanganate, conductivity, redox potential, pH, and fluoride. Membrane probes are available for free chlorine, total/combined chlorine, chlorine dioxide, and ozone. External probes with mA signals are supported.
• Flow Control Valve: Regulates the flow of analyzed water to 33 l/h.
• Regulation Range: 0.2 – 4.0 bar at pipe inlet; back pressure: max. 1.5 bar on pressure-resistant version.
• Operating Conditions: 50 °C, minimum conductivity: 200 µS/cm.
• "Multi-Sensor":
  • Sample water flow monitoring: switching point 21 l/h +/- 3 l/h; switching hysteresis: 2 l/h.
  • Water temperature measurement with a Pt 1000 probe for temperature compensation of chlorine and pH measurements.
  • Large-area grounding of sample water via stainless steel ring (equipotential bonding).
• Sample Water Connection: PVC hose 6 x 3 mm or PE hose 6 x 1 mm; screwed fittings 1/2 “.
• Weight (with packaging): Approx. 2 kg.
• Dimensions (W x H x D): 215 x 375 x 155 mm.

DEPOLOX 5 Sensor Probe Module

• Consists of a probe, cable, and a pre-calibrated, tested plug-in board.
• Probe Connection: IP 66.
• Probe Type: Robust 3-electrode DEPOLOX 5, potentiostatic principle.
• Measurement Ranges: 0 to 100/200/500 µg/l; 1.00/2.00/5.00/10.0/20.0/50.0/100/200 mg/l.
• Resolutions:
  • Up to 500 µg/l: 1 µg/l.
  • Up to 5 mg/l: 0.01 mg/l.
  • Up to 50 mg/l: 0.1 mg/l.
  • Up to 200 mg/l: 1 mg/l.

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Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror