The DALI-2 standard allows up to 64 Control Gear devices to be connected on a single DALI line. These can be ballasts, lamp drivers, emergency drivers, DALI relays and similar.
There is no standard method of connecting the individual DALI Lines into a larger system. Growing beyond a single DALI line is often part of some other system; requiring an installer to create complex routing rules to make different system parts work together.
The RAPIX DALI-2 Lighting Control System allows hundreds of DALI Lines and thousands of luminaires, sensors and wall switches to be used as if they were a single network.
Like most lighting systems, DALI uses addresses. A DALI address applies to a physical device, on a physical piece of wire (the DALI line). When many addresses need to be controlled, the amount of commissioning work and documentation can quickly become difficult and tedious.
Most installers do not care a lot about device addresses – instead they want to perform useful operations on a space in a building. With RAPIX, the installer selects the devices to be controlled together and puts them into a ZONE. All operations are applied to Zones, and the RAPIX system looks after the complexity of making the whole system work.
Zones can normally be drawn on a floor plan. Examples of small Zones:
Zones can also be larger:
All these Zones are controlled in the same way:
When configuring a switch or sensor, there is no need to be concerned about the size or location of the Zone being controlled. Configuring a large site uses the same simple process as configuring a single room.
In its simplest form a Zone still needs to be made up from the DALI addresses of the devices in that space. Device addresses still need to be known in order to define the Zone. But after the Zone is defined all operations apply to the Zone. The separate components (the device addresses that make up the Zone) never need to be a concern again.
On small simple products like the RAPIX eHub and Occupancy Sensor, Zones can only contain DALI addresses: A Short Address, a Group Address, or the Broadcast. On large controllers, like the RAPIX Zone Controller – a Zone can contain other Zones inside it.
This ability to make a Zone contain other Zones inside it allows easy formulation of some common, and quite complex scenarios, such as:
In the RAPIX products and software, all operations apply to Zones, and the software manages the Zone components.
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