Anybus-S: New fiber optic PROFINET-IRT interface based on proven Siemens ERTEC-200 technology

The embedded communication module, Anybus-S for Profinet, combines a Profinet interface with IRT functions according to the Class C standard. The intelligent communication module is based on the ERTEC-200 technology from Siemens and includes all analog and digital components for an effective Profinet IO interface with IRT features, including an integrated 2-port real-time switch. The physical network connection is made via two SC-RJ fiber optic connectors.

This module is specifically targeted for use within the automotive industry. Many automobile manufacturers are using fiber optic technology in their existing Interbus installations and are now migrating to Profinet with fiber optic transmission. The introduction of Profinet is seen as a natural evolution from Interbus and will take place step by step over the next 5 years.

The on-board, powerful Siemens ERTEC-200-processor handles the entire Profinet protocol autonomously and thus relieves the field device’s main processor completely from the protocol processing. The dual-port RAM-based hardware and software interface of the module is standardized and functionally identical to all other Anybus-S modules. This interchangeability is provided by a 16-pin RJ11 connector that secures the connection with all the other fieldbus and Ethernet modules from the Anybus-S family, without any changes to device interface.

PROFINET-IO offers real time communication with high data throughput and also allows industrial IT functions to be employed. The fiber optic transmission guarantees the highest immunity against electromagnetic disturbances and advanced transmission quality monitoring.