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What are primairy en secundairy controllers?
A Z-wave network is based on a smart home gateway (the heart of your system). This gateway is connected to your Z-wave sensors and actors. It keeps track of all the administration (adding, removing devices, etc). In a Z-wave system we speak of primary and secondary controllers. What is the difference?
Primairy Z-wave gateway
A Z-wave network their is always one primary controller. It acts like your DHCP server within a WiFi network.
- List of 'included' Z-wave devices;
This are the devices that are added/removed via an include/exclude command.
- MESH table administration;
Which devices is reachable via which other devices.
- Executing scenes;
Most controllers can perform macro-like actions (scenes) to perform actions based on triggers
Secundairy Z-wave controllers
Within a Z-wave network there can be more than one secundairy controllers. Usually they act as a sort of remote controller to controll a device or start a scene by pressing a button. It can also be another primary controller that will be added to a primary controller as a kind of slave device.
- Excution of scenes;
The scenes are usually stored in the primary controller.
- Controlling other Z-wave devices via association
Association is a direct connection between 2 smart home devices (humidity sensor and ventilator for example)
A great feature because the association also works when the primary controller is offline.