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.
1.9.1 Find all DALI devices on the DALI bus
To find all of the DALI devices on the DALI bus, send the
following command.
DCON
@AADF1
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
@AADF
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
@AADP
Modbus RTU Read registers 30289 ~ 30292
1.9.2 Allocate address to DALI device
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
@AADNddff
Modbus RTU write to register 40322
DGW-521 User Manual, Rev. A1.0
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