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GHL ProfiLux Expansion Box 2

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A most clever Expansion. Just more ProfiLux.

All interfaces of the ProfiLux already used and you have run out of expansion slots? Looking to expand ProfiLux even further? Expansion Box 2 is the solution!

With the Expansion Box 2, the aquarium controller, ProfiLux 3 and ProfiLux 4can be upgraded to allow for even more expansion capabilities. The new Expansion Box 2 connects to the Profilux via the secure ProfiLux Aquatic Bus.

Unlock the full potential of your ProfiLux by adding add one or more Expansion Boxes to the controller.

ProfiLux automatically detects the newly present features.

Expansion Box 2 Features:

  • 4 x 1-10V-interfaces
  • 2 x Universal ports for pH or redox probes (adjustable)
  • 1 x Universal port for conductivity freshwater or seawater (adjustable)
  • 1 x Port for digital temperature sensor
  • 1 x Mitras Lightbar interface
  • 2 x ProfiLux Aquatic Bus
  • 2 x Level sensor input
  • 4 x Additional expansion slots for our expansion cards.

ProfiLux Expansion Cards can be inserted easily into the provided expansion slots. They are automatically detected by the ProfiLux Computer and combinable with each other as desired.

The Expansion Box 2 Firmware 2.01. currently supports the following expansion cards:

Interfaces Sensor Inputs
PLM-4L PLM-CondF PLM-pH-Redox PLM-CondF-Redox
PLM-2L4S PLM-Oxygen PLM-pH/Redox-Cond PLM-pH-Rodox-2Level
PLM-ADIN PLM-Humidity-Temp PLM-CondS-pH PLM-4Level
PLM-DALI PLM-pH/Redox PLM-CondF-pH PLM-pH-Redox-DigTemp

The GHL-logo in the housing cover is also illuminated and will change color to indicate the system’s status. For instance: In case of an alarm the GHL logo will blink red.

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Did you know that you can control several Expansion Boxes with the ProfiLux Controller?




Our premium quality enclosure is made of aluminum and polished ABS plastics and comes in two colors: White or Black cover.


GHL Expansion Cards are very easy to add.


Different colors of the backlit GHL Logo quickly indicate at a glance what´s going on in your aquarium.



Connections of the Expansion Box 2:

Expansionbox 2 Connections