===== Prepare the Serial port ======

1. Enable the serial port (''sudo raspi-config'')

{{ :comfilepi:codesys:enableserial.png?nolink |}}
{{ :comfilepi:codesys:enableserial2.png?nolink |}}

Please choose : 
  * Login shell accessible function over serial --> NO ;-)
  * Enable hardware serial port --> YES

2.  Edit the CODESYS configuration file
<code>
sudo nano /etc/CODESYSControl.cfg
</code>

{{ :comfilepi:codesys:settingserial.png?nolink |}}

<code>
[SysCom]
Linux.Devicefile=/dev/serial
</code>

Press ''Ctrl+X'' and ''Y'' to save.

3. Internally CODESYS will be connected like this.

{{ :comfilepi:codesys:finalconnection.png?nolink |}}

[[comfilepi:codesys:index|CODESYS with the ComfilePi]]