The R-series RPBA-01 adapter module supports PROFIBUS DP-V0 and DP-V1 communication. The RPBA-01 automatically detects the telegram type used and supports PPO messages 1 to 6. Communication profiles: PROFIdrive and ABB drives profile are supported.
Overview This chapter describes the PROFIBUS messaging used in the communication with the drive when the RPBA-01 module is in DPV0 mode. PROFIBUS DP The RPBA-01 module supports the PROFIBUS-DP protocol according to EN 50170 standard. PROFIBUS DP is a distributed I/O system which enables the master to use a large number of peripheral modules and field devices. The data transfer is mainly cyclic: the master reads the input information from the slaves and sends the output information back to the slaves. The PROFIBUS DP protocol uses so-called PPOs (Parameter/Process Data Objects) in cyclic communication. See Figure 6 for the different PPO types and their composition. Service Access Points The services of the PROFIBUS Data Link Layer (Layer 2) are used by PROFIBUS DP through Service Access Points (SAPs). Precisely defined functions are assigned to individual SAPs. For further information on Service Access Points, refer to the manual of the PROFIBUS master, PROFIdrive ñ The PROFIBUS Profile for Adjustable Speed Drives (version 2.0), or the EN 50170 standard.
