I will order a Dell laptop (Insprion 8600) for programming a special power protection and control relay from SEL (a special PLC for electrical power industries), and may be used for programming PLC as well. SEL relays and PLCs need RS232, but the laptop will not have a RS232 port. My question: if the USB/RS232 convertor in the market will support the RS232 requirement on any controller, or it has a limitation somehow? Thank you in advance.
Bo
Bo