The you are using (such as Modbus, Profibus, or EtherCAT).
Below is a structured explanation, sensible assumptions, and practical guidance for assessing or presenting an “A4U Hard Series” picture as the best choice. a4u hard series picture best
Thick-walled sections (typically 40x40mm, 40x80mm, or larger) form the rigid outer skeleton. The you are using (such as Modbus, Profibus, or EtherCAT)