Digidim 503AV / 505 RS232 AV Interface User Guide
Helvar Ltd.
Doc. No. 7860076
Page 12
Issue 8
Command Transmit
Return
Address ‘sc’, action command cc; where sc = 1 to 64 (offset 1
with MSB set to 0 and LSB set to 1)
giving range of sc = 01 to 7D
Error return messages
For query commands
All types
02, 6C, xx Multiple replies. This will be
returned for example if a query is sent with
the broadcast address. Here xx = pack byte,
ignore.
03, 70, xx, xx Failure in transmitting a DALI
message. Where xx = pack byte for all types.
03, 71, xx, xx Illegal DALI frame received,
may or may not be as a result of requested
transmission.
03, 73, xx, xx Unknown command (from
computer)
03, 74, xx, xx Error. Already transmitting and
can not accept further data
03, 75, xx, xx Fault. DALI line held low for
too long – external problem.
