Industrial
Electronic Devices
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User Manual
Modbus TCP Master / KNX
Document code: MN67814_ENG Revision 1.003 Pagina 10 di 27
KNX:
KNX is the standard that allows the automated and decentralized management of the technologic
plans of a big typology of structures: commercial buildings, factories, houses, public locals,
schools and so on.
KNX can be used in all the applications and functions for the building automations: from lighting to
control dampers, to the security, to the heating monitoring, to the conditioning, to the hydric
control and alarms, to energy management and so on.
Characteristics
Description TP1-256
Medium
Shielded Twisted Pair
Topology
Linear, Star, Tree or mixed
Baudrate
9600 bps
Device supplying
Normal: bus powered devices
Optional: remote powered devices
Device power consumption
3 mA- 12 mA
Power Supply Unit (PSU)
DC 30 V
Number of PSU’s per physical
Segment
Max. 2
Number of connectable devices
per physical Segment
Max. 256
Number of addressable devices
per physical Segment
Max. 255
Total cable length per physical
Segment
Max. 1000 m
Distance between two devices
Max. 700 m
(*) Taken from KNX specifications