Thank you Professor for your reply.
(gratefull i am)
At this point i have more or less what you have said. And i usually do like you have said.
My safety relay connects/disconnects the comand power from the main panel and 2 more control power relays on the auxilary panels (the power supplys...
Hello,
I am trying to put together a main panel using Siemens an S7-300 with a ET200S. I have a Main Panel (contains the S7-300) and 2 more Aux. Panel that contain the ET200S.
I have already looked over the safety regulations for Europe and the class for the installation is the lowest. (I am...