1. TF6271 TC3 PROFINET RT Controller
2. PROFINET system presentation

PROFINET system presentation

PROFINET is the Industrial Ethernet standard of the PNO (PROFIBUS user organization). Internationally established IT standards such as TCP/IP are used for communication.

PROFINET system description

PROFINET IO describes the exchange of data between controllers and field devices in several real-time classes: RT (software-based real-time) and IRT (hardware-supported isochronous real-time). In addition, further Ethernet traffic can be transmitted in the NRT (non-real-time) time slot of the PROFINET cycle.
PROFINET RT can be operated with commercially available switches, but in this case topology detection is not supported. For better diagnostics and automatic name assignment (alias name), commercially available switches should be used that support at least topology detection; they are referred to as LLDP. All PROFINET devices from Beckhoff (with or without switch) have this feature.

Beckhoff PROFINET components