hello

i want to know, how can i communicate rs232 with wincc & rs485 with s7-300 315-2dp?
the version of my wincc v6.0 sp4 11/2005
& simatic manager 5.5

we have one servo drive that have rs232& rs485 port.we want connect to plc s7& wincc with this ports. what should we done?

the model of servo drive is (delta ac servo drive(asd-a2-0421-m,power:4000w))
& we want to read & write some hex information to them