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User Manual
DALI / Modbus Slave - Converter
Document code: MN67843_ENG Revision 1.100 Pagina 20 di 50
In the field “
Position
” the byte of the internal memory array where mapping the data is defined;
In the field “
Num Bytes
” the dimension of the data is defined;
In the field “
Mnemonic
” a description of the row is defined.
Note:
This table is not required if the HD67843-B2 is used to communicate with DALI 1 devices only.
Note:
The ‘Position’ field represents a byte of the internal memory array of the converter. The array is mapped consecutively from Modbus
register 0, so Position 0-1 compose Modbus register 0, Position 2-3 compose Modbus register 1 and so on.
If this table is filled, the fixed Modbus map with the data read from DALI 1 devices is shifted of 2048 registers. See chapter “Modbus map”
for the description of the offsets.
