Thousands of Happy Smart Home Customers

But don’t just take our word for it...

We offer great products & great knowledge all backed up with great service - and our customers agree!

We’re very proud of our independent Excellent Trustpilot rating, backed up by the many repeat customers we’ve been supporting for years.


Read More


World-Class, Industry-Leading Technical Support - Forever Free

You’ll always have FREE access to our technical knowledgebase, application guides, YouTube tutorials & Customer Services, as well as all other online resources, help, white papers and articles.

If none of these answer your query you can also raise a ticket and get direct access to our team of smart home specialists for for assistance.


Access to technical specialists
100’s of in-depth help resources
Video guides via YouTube channel
Blog articles with product reviews & test results


The Vesternet Promise

As Founder & CEO of Vesternet, I personally guarantee your 100% satisfaction on any purchase.

I’d never want you to be unhappy with something you buy from us, so here’s my promise - you can return any unused products within 365 days. If you have problems with a new purchase, our support team will work with you to resolve. And if you still can’t get it working then you can return it within 14 days for replacement or refund. For full information take a look at our full returns policy.

In addition, here’s my personal email should you ever have any problems or feedback:

We’re not just a shop, we’re with you all the way on building your smart home.


Using a Secondary Switch with a Fibaro Module

IMPORTANT - Read this first!

This guide relates to the ORIGINAL Fibaro Universal Dimmer.

Do NOT follow this guide if you are installing the Fibaro Universal Dimmer 2.

You can cause damage to the device, your lighting circuit and your lights if you ignore this warning!

For assistance in installing your Fibaro Universal Dimmer 2 devices, please contact Technical Support.

The Fibaro modules have a neat feature that's not widely known.

This application note explains how to use the secondary (S2) switch input of the Fibaro Dimmer and Relay modules to directly control other associated Z-Wave devices.

Secondary Switch Input

The Fibaro modules have two switch inputs - S1 is used to control the local load physically connected to the module, while S2 I can be used to control the local load as well as other Z-Wave devices:

This feature makes the Fibaro modules very versatile and yet it's really easy to configure.

Using The Secondary Switch

By using the secondary (S2) switch input of a Fibaro Module you can easily control other Z-Wave devices. Figure 1 shows a simplified scheme where a Fibaro Dimmer is able to control a number of Z-Wave devices including other Fibaro modules, wall plugs and dimmer sockets.

Using the Secondary Switch with a Fibaro ModuleFigure 1: Simplified scheme to use a secondary switch (S2) with a Fibaro Module.


Once you have wired the modules into your installation, you just need to associate the Fibaro module (dimmer in this example) to the other Z-Wave device or devices. Fibaro uses Group 2 as the channel for this control, configuring this association is straightforward.

Follow the instructions in Application Note 19 - Associating Devices in Z-Wave Controllers - use Group 2 as the association group.

Related Information


Copyright Vesternet 2015

Updated: 05/09/15

Please wait...

Item(s) Added Continue shopping or View cart & checkout
Continue shopping or View cart & checkout