Dali Commands; Find All Dali Devices On The Dali Bus; Allocate Address To Dali Device - ICP DAS USA DGW-521 User Manual

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1.9 DALI Commands

DALI (Digital Addressable Light Interface) is a protocol used

for lighting control. It can support up to 64 DALI devices on a

DALI bus, up to 16 scenes and up to 16 groups. The following

sections summarize some DALI commands used frequently.

For details of the commands, please refer to Section 2 and 3.1.

To find all of the DALI devices on the DALI bus, send the

following command.

DCON

Modbus RTU write 1 to register 00259

Send the following command to get the status of the previous

command, until the status is 0, finished.

DCON

Modbus RTU Read register 00259

Get the presence map of the DALI devices on the DALI bus. A

bit is set to 1 when the corresponding DALI device is present.

DCON

Modbus RTU Read registers 30289 ~ 30292

When you receive a new DALI device, its address may not be

allocated. You can send the following command to allocate

address to it. You can allocate address to either all devices,

device with specified address, or devices without address.

DCON

Modbus RTU write to register 40322

@AADF1

@AADF

@AADP

@AADNddff

DGW-521 User Manual, Rev. A1.0

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