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Master/Master and Master/Slave functions for lamps with sensors – A detailed explanation

Choosing the right control method for your outdoor lighting can mean the difference between efficient lighting and inadequate lighting. The terms are particularly important for spotlights with sensors Master/Master and Master/Slave of importance. In this article we explain these features in detail and show how they work with Oktaplex's products such as Cali Dos outdoor spotlight with sensor and that Cali Dos outdoor spotlight without sensor, can be used optimally.

What does master/master and master/slave mean?

The control of outdoor lights using sensors can either be set up so that each lamp works autonomously (master/master) or so that a main lamp (master) controls other lamps (slaves). Both systems have their specific areas of application and advantages.

Master/master function

The Master/master function describes a setup in which several lamps are each equipped with their own sensor. Each lamp or each installed sensor acts as an independent “master” and activates itself as well as the other master when movement is detected. This method is particularly useful in large or complex outdoor areas where it is important that each lamp covers its own area with its sensor so that there are no blind spots on the site.

A practical example is the use of two Cali Dos outdoor spotlights with sensor. Both spotlights detect movement in their respective areas and turn on together, providing comprehensive lighting.

Master/slave function

The Master/slave function works differently: Here only one lamp is equipped with a sensor (the master), and this controls one or more other lamps (slaves) that do not have their own sensor. When the master detects movement, it not only activates itself, but also all connected slaves. This configuration is particularly effective when uniform and synchronized lighting is desired.

A typical setup would be to use one Cali Motion outdoor spotlight with sensor as a master, combined with one or more Cali outdoor spotlights without sensor as slaves. When motion is detected by the master sensor, the connected slave spotlight is also activated, resulting in a uniform lighting result without the entire area being covered by sensors.

When should which function be used?

The decision between master/master and master/slave functions depends on the specific requirements of your project.

Master/Master function: For larger and complex areas

In spacious and confusing areas, such as large gardens or multi-part driveways, the master/master function offers significant advantages. Here, each lamp independently ensures the necessary detection of movements, regardless of whether other lamps are activated or not. This flexibility prevents parts of the area from remaining unlit.

Master/Slave function: For synchronized lighting

The master/slave function is ideal for areas where uniform and simultaneously activated lighting is important, such as along a house facade or in a wide driveway. Here, the central sensor (master) ensures that all connected lights are activated at the same time, ensuring uniform illumination.

Example products and application combinations

To get the most out of the features described, you can consider the following product combinations:

FAQ about master/master and master/slave functions

What is the main difference between master/master and master/slave?

The main difference is that with the master/master function each lamp reacts independently to movements, while with the master/slave function one lamp (master) controls other lamps (slaves) and takes over their activation.

What are the advantages of the master/master function?

The master/master function offers the advantage that each lamp or its sensor works independently of the others. This is particularly useful in complex or extensive areas where customized lighting is required.

When is the master/slave function the better choice?

The master/slave function is ideal when you need simultaneous and uniform lighting, for example along a facade or in a wide driveway.

Can different types of Oktaplex lamps be combined?

Yes, you can buy different types of lamps from Oktaplex, like this CaliMotion and the Cali Outdoor Spotlights, combine in a master/slave or master/master system. Almost any outdoor lamp is suitable as a slave.

A maximum and total of 500 watts can be controlled.

By choosing the right combination and control method, you can make your outdoor lighting efficient while ensuring maximum safety and comfort.

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