beautypg.com

BECKHOFF DK9222-0411-0038 User Manual

Page 7

background image

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