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User Manual
DALI / Modbus TCP Slave
Document code: MN67845_ENG Revision 1.100 Pagina 36 di 49
3
Input Register
Each bit has a different meaning. ‘0’ means ‘Group not configured’, ‘1’ means ‘Group
configured’.
Byte1 (most significant):
Bit 0 (less significant)
= Group 0
Bit 1
= Group 1
Bit 2
= Group 2
Bit 3
= Group 3
Bit 4
= Group 4
Bit 5
= Group 5
Bit 6
= Group 6
Bit 7 (most significant)
= Group 7
Byte0 (least significant):
Bit 0 (least significant)
= Group 8
Bit 1
= Group 9
Bit 2
= Group 10
Bit 3
= Group 11
Bit 4
= Group 12
Bit 5
= Group 13
Bit 6
= Group 14
Bit 7 (most significant)
= Group 15
Example:
we want to read the informations about DALI node 9. We know that the data are mapped into Modbus registers 36-37-38-39.
Each information will be contained with the offset defined in the previous table:
Modbus register 36 = Status and ADV
Modbus register 37 = Response and Type&Version
Modbus register 38 = Min. and Max. Value
Modbus register 39 = Groups settings
