You don't have to, but if the PLC you're programming is controlling the devices in the control panel you'd better.
Put it this way. If you write a PLC program without knowing anything about the devices being controlled by that program, how can you tell if it's working properly?
i am new to the plc programming. can you tell me something about siemens-200cn? what are the applications it can be used for? and how it can be programmed?
i am new to the plc programming. can you tell me something about siemens-200cn? what are the applications it can be used for? and how it can be programmed?