Crestron DIN-DALI-2 - Page 16

DIN Rail 2 Channel DALI Interface Crestron DIN-DALI-2
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DIN Rail 2 Channel DALI Interface: DIN-DALI-2 Programming Guide – DOC. 7365A
Commands and Equivalent DATA Bytes
Command DATA Byte
OFF 00
MAX 05
MIN 06
RESET 20
QUERY STATUS 90
QUERY LEVEL A0
QUERY GROUPS 0-7 C0
QUERY GROUPS 8-15 C1
The query command results in a response from the ballast if it is present.
Typically this is all that is needed to prove reliable communication back from
the ballast. The byte received can also provide further information.
• Bit 0: Value of 0 means ballast is okay. Value should always be 0.
• Bit 1: Value of 0 means lamp is okay. Value of 1 means lamp is burned
out. Use this to verify burned out lamps.
• Bit 2: Value of 0 means ballast is off.
• Bit 3 – 6: Ignore
• Bit 7: Value of 0 means power is okay. Value of 1 means power cycled
since last intensity command.