How to send Real Value (4 Bytes) via PROFIBUS DP to AC500?Answer this question Follow
I presume AC500 master in ProfiBus network. In this case, with CP572.
To give you better answer, we need more information about the configuration.
Generally the slave device is connected in ProfiBus through adapter, if the slave is one drive for example, depending on the specify drive model you must use specify device.
You must assign adress, transmission speed and PPO to the master and the slave, the protocol assign automatically one set of words to communitate betwen master and slave.