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PROFINET switches

The FL SWITCH IRT range uses the ERTEC controller and is ideally suited for PROFINET applications. The switch meets all requirements for optimum forwarding of PROFINET IO packets. With the integrated PROFINET IO device capability, FL SWITCH IRT switches can be fully configured and monitored from the controller.

Prioritized PROFINET data transmission

PROFINET prioritizing  

PROFINET prioritizing

Regardless of the data packet priority, PROFINET traffic is processed preferentially by checking the header-file on the incoming packets for a PROFINET ID.

If a PROFINET ID is detected in the header, the data packet is processed with the highest priority. This provides the option of increasing the priority for certain applications such as video streams without impairing PROFINET communication.

The system operator is not required to prioritize PROFINET packets. This simplifies network planning  and males detailed distinction of the priorities for all non-PROFINET telegrams possible.

The shortest latency time for forwarding of packets is achieved in 100 Mbps transmission, thanks to cut-through switching technology. This enables PROFINET packets to quickly reach their destination even in a network of several switches.

Integration into the engineering

Konfiguration IRT-switches  

Konfiguration IRT-switches

You can fully configure the FL SWITCH IRT at the PROFINET controller – from initial startup, including IP address assignment via DCP, to individual port configuration.

During operation, all diagnostics for the IRT switches can be read out and monitored via the PROFINET IO device.

Fast device replacement and monitoring of the network topology is realized via LLDP (Link Layer Discovery Protocol) implemented in the PROFINET standard. Furthermore, the network topology is monitored through LLDP via a network management software tool.

Diagnostics for fiber optic paths

Diagnose für LWL-Strecken  A_0046768

Diagnostics for fiber optic paths

FL SWITCH IRT can be diagnosed via PROFINET, with the fiber optic paths and the diagnostic data made available to the controller.

This makes it possible to continually monitor the quality of the fiber optic path. For improved assessment of the fiber optic path, FL IRT switches can also report the distances between two devices in the PROFINET IO device.

MRP: fast and guaranteed switch-over time

MRP controls switching over in a ring topology  

Switch-over in the event of an error

Ensure uninterrupted data traffic. MRP (Media Redundancy Protocol) is a redundancy protocol and part of the IEC 62439 standard. It guarantees maximum switch-over times of 200 ms in a ring structure in the event of an interruption.

Integrate the MRP management function into your switch with the FL MEM PLUG/MRM replaceable configuration memory.

You can also store your settings on this external memory. This means that devices can be swapped in a matter of seconds.


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  • PROFINET switches

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