====== Connecting to the Siemens LOGO programmable relays ======
Depending on your LOGO'2 firmware version there are several options: 
  * for older firmware, connection via S7 commnunication is possible, please refer to the [[https://youtu.be/EpJn1CxjLgA?si=bgfSQTZzPSld5ug2|video]]
  * for newer firmware the communication is possible with Modbus Tcp server function. Please refer to the LOGO tech. documentation on that