Kendrion Kuhnke Automation GmbH
Construction and Functionality
Econo
67
6.11 Using the USB Adapter to Expand the System
6.11.1 RS-232, RS-485, RS-422
You can use the USB ports to add further serial interfaces to the unit. FTDI chip set driver used by many
USB-to-serial converters is integrated in the unit's operating system.
A USB converter featuring FTDI's chip set FT232R is recognised automatically and can afterwards be
addressed by the entry added to the registry.
To use a new interface in CODESYS
CODESYS provides a library called SysLibCom which allows you to use the new serial interface. Before
doing so, you must run the Library Manager to add the new library to your project.
SysLibCom library commands (subset)
Open port: SysComOpen
Transfer data:SysComWrite
Read data: SysComRead
Close port: SysComClose
By default, the system assigns COM 5 to the first serial interface you add.
Information
FTDI Chip has a range of various converters in a variety of designs. Further information at:
http://www.ftdichip.com
