Adding a backup generator is very easy and no change in the wiring is required.
When an emergency situation occurs and power is lost and then returns, the DALI devices will return to the DALI EMERGENCY LEVEL which is a parameter stored within the device.
On commissioning the device an installer can set this level. Most devices will support a value between 0-100% giving the designer unlimited flexibility. This means that when power is restored (through a generator or normal resumption) the load can be controlled. After the power is restored the control system can retake control of the building and return the building to normal or a controlled state.
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