1.1 How to find the mac address of your installation on the module

• STEP 1: You need to open the electrical cabinet, so keep your own safety in mind! 
  
  
• STEP 2: Define your type of module and read the MAC-address (xx:xx:xx:xx:xx:xx)

Gateway 550-00580 

Bottom right corner 

OR

Connected controller 550-00003 or 550-00004 

Bottom left corner