BECKHOFF DK9222-0411-0038 - Manual (Page 7)

I/O
I/O, Building Automation
Application Note DK9222-0411-0038
7.3 TwinCAT
For integration in TwinCAT, the function block FB_LON_KL6401 is called once in the PLC cycle. The documentation contains
further information.
Fig. 4 Function block for LON communication in the KL6401 via TwinCAT
8. Practical example
Ethernet (BMS)
LON: Minimization of the cabling due to structured Ethernet cabling
CX1010
CU2008
BK9000
BK9000
Connection of further floors
BK9000
KL6401 KL6401 KL6401
Fig. 5 Connection of LON peripheral devices for trade-spanning communication
New Automation Technology BECKHOFF 7
For application notes see disclaimer on the last page