I have been given the task to establish wireless acces to a process plants ethernet. The idea is, that the machine operators, instead of manually writing down different important production values on paper, will be equipped with a tablet PC from wich theese data can be transfered directly to the office of the factory . Furthermore it should be possible for a technician to connect his PG to the S7 plc's connected to the ethernet via interface modules, from this wireless solution. At the factory there is already established a functioning ethernet system with the use of the Scalance 108X 0X switches. Therefore i would like to know how to thoose the right acces point for the sollution. It could potentially be a POE acces point depending on the cost of the components.
I will be gratefull for any usefull advice as i seem to drown in timewasting google-hits!