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At MJK, we have gathered a large number of advanced functions for energy-optimized pump operation in the Mµ Connect control unit. This includes power saving, data storage and SCADA communication. These are just some of the features that make water management easier than ever.

Mµ Connect has built-in Wi-Fi, which offers versatile communications options. On the control unit, you can, among other things, read data directly from the installation's HMI Display, configure settings with the PC program Connect Link or make minor adjustments via the MJK Connect app for smartphones.
Features
  • Intelligent pump monitoring 
  • Energy optimized pump control 
  • Built-in pump capacity calculation 
  • State machine for individual programming 
  • Flexible number of in/outputs via I/O modules 
  • Overflow calculation with time, number and amount 
  • Inter lock, either with pump stops or off-set of start/stop levels 
  • Logic functions (control word) for individual control, combination of alarms and more

Specifications

Brand

Power Supply

  • 11-30 Vdc / 24 Vac ± 20 %

Power Consumption

  • 8-40 VA, depends on setup

Battery Backup

  • Built-in battery charger includes supervising an external lead storage battery (2-30 Ah)

Clock

  • Realtime clock incl. built-in lithium battery (expected life circle 10 years @ 20ºC)

Memory

  • 32MB flash memory, 10 x 36.000 logs depending on chosen protocol

Build-in Communication

  • 4G modem bands (MHz): B20 (800)/B8 (900)/B3 (1800)/B1 (2100)/ B7 (2600)

Interface

  • 1 pcs. RS-485 DIN bus for I/O modules 1 pcs. RS-485 galvanic separated for Instrument Net 1 pcs. RS-485 galvanic separated for Connect net 1 pcs. USB 1,1 type mini B, female 1 pcs. MMCX, female, for antenna

Communications Protocol

  • Internal: Modbus RTU-mode
  • External: Modbus RTU-mode, COMLI® or Aqua Com

Enclosure

  • IP 20

Cabinet Material

  • PC (polycarbonate)

Temperature Range

  • -20 … 60° C

Weight

  • 0,55 kg

CE Approvals

  • EN 61000-6-4 2007-02-19, EN 61000-6-2 2005-09-08 cf. 89/336/EEC, 2004/108/EC, 1999/EC

Digital Input

  • 6 pcs. 10-30 Vdc

Digital Output

  • 2 pcs. electronic relays (Max. 28 Vac / 28 Vdc / 300 mA)

Analog Input

  • 3 pcs. galvanic separated, 16 bit resolution, 4-20 mA, accuracy better than ± 0,25 % of FS

Analog Output

  • Only Mµ Connect® I/O module, 4-20 mA, galvanic separated

Power Supply for I/O

  • 1 pcs. 15 Vdc, 150 mA

  • Pump stations 
  • Registration of emergency overflow 
  • Retention basins 
  • Wastewater treatment plants 
  • Control of aerators in treatment plans
  • Master device for nConnect® 
  • Energy optimization 
  • Raw water borings
  • Ground water pump stations 
  • Pressure booster stations 
  • Filter rinsing.

Documentation

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