Instruction Manual ProfiLux 4 / 4e
EN 2019-01-22 23
The exact procedure can be found in the "Programming manual ProfiLux 4" for download in
the download area of our homepage www.aquariencomputer.com.
5.7 Connection of PAB-Devices
The ProfiLux 4 / 4e includes two PAB-ports for connecting additional ProfiLux Aquatic Bus
compatible devices.
5.7.1 What is the PAB
PAB is a CAN-Bus-System which allows for extremely secure data transfer between all PAB
devices such as ProfiLux Controllers, or additional Expansion Boxes 2. The range can be up to
100 m (300 FT).
PAB cables are not included and must be purchased.
• Be sure to obtain suitable PAB cables in the appropriate lengths to
meet your needs.
• PAB-cables are available online at GHL Store (EU) and GHL USA Shop
(US) in different lengths from 0.5 m up to 50 m.
5.7.2 How does the ProfiLux Aquatic Bus work
The system works according to the master-slave principle. The master unit is always a
ProfiLux Controller (starting from model ProfiLux 3), to which all other bus participants can be
subordinated as a slave unit.
PAB devices are always connected in series. This means that all PAB devices must be
connected to the PAB cables linearly with each other. The first PAB device is connected via a
PAB connection cable with one of the PAB ports of the next party. The PAB works bi-
directional; this means every PAB jack can be used for input or output. The next participant is
connected again at the free PAB port of the previous participant, and so on.
The last device of the PAB therefore always has an unoccupied PAB connection.
The order of the devices can be freely selected. Also several ProfiLux Controllers can be
connected to the bus.
The PAB provides a line connection via the single PAB participants from one end to the other.
A ring or star topology of the PAB bus is not allowed.
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