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The first MJK control and monitoring unit was developed in 1979. In other words, MJK has spent more than 30 years developing new products for the Connect family. The latest Connect family member is nConnect, which is a pump controller specially developed for open land and stand-alone pumping stations.

nConnect has a built-in modem and can be used as a slave device for other pump controls. The unit can handle start/stop procedure for up to two pumps and offer an alarm signal at pump failure. nConnect is a smaller version of Mμ Connect, but with the same high quality. It is easy to configure and has very stable pump control without requiring a large amount of tools and accessories.

With the Connect series from MJK, you will achieve huge savings on your pump operation, fewer service hours and an easier workflow while protecting the environment. If you want to hear more about our products within control and monitoring, you are always very welcome to contact our qualified employees.
Features
  • Pump control of 1-2 pumps with monitoring via control word 
  • Input for current coils measuring pump power 
  • Logical functions 
  • Possible connection of HMI operating display.

Specifications

Brand

Power Supply

  • 24 Vdc nominal (20-30 Vdc)

Power Consumption

  • 6 VA, without modem < 3 VA

Clock

  • Real time clock with build-in lithium battery

Memory

  • 32MB flash memory, 10 x 36.000 loggings, depending on the selected protocol

Build-in Communication

  • 3G modem bands (MHz): B5 (850)/B8 (900)/B4 (1700)/B2 (1900)/ B1 (2100)
  • 4G modem bands (MHz): B20 (800)/B8 (900)/B3 (1800)/B1 (2100)/B7 (2600)

Interface

  • 1 pcs RS-485 for HMI
  • 1 pcs RS-485 for communication
  • 1 pcs USB 1,1 type mini B, female

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

  • 0,35 kg

CE Approvals

  • EN 61000-6-4:2007, EN 61000-6-2:2005

Digital Input

  • 4 pcs. 10-30 Vdc

Digital Output

  • 3 pcs. relays (Max. 30 Vdc / 24 Vac / 2 A)

Analog Input

  • 1 pcs. galvanic separated, 12 bit solution, 4-20 mA, accuracy ± 1 % of FS

Current Transformer

  • 2 pcs. for current transformer input, 10 bit resolution 0-10 A or 0-33 A, accuracy ± 5 %

Power Supply for AI

  • 18 Vdc 30 mA

Power Supply for DI

  • 12 Vdc 30 mA

  • Open country pump stations
  • Drainage water stations 
  • Extraction pump stations 
  • Raw water borings 
  • Standalone pump stations 
  • Rain water stations 
  • Retrofit of existing controls

Documentation

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