Baumer HMG11 N29 Handmatig - Pagina 16

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4.4.3.

Isochronous Realtime (IRT) Class 2

Typical cycle time is 10ms or better. Bus components (switches, etc.) must support PROFINET IRT.

Topology planning is not mandatory, but where implemented (e.g. for retrieving feature „Support device

replacement without exchangeable medium), make sure ports P1/P2 are correctly assigned as projected.

4.4.3.1.

Address-Assignment within the Process Image

Proceed as in 5.4.4.1 „Address-Assignment within the Process Image".

4.4.3.2.

Synchronization Setup

Proceed as in 5.4.4.2 „Synchronization Setup" for Isochronous Realtime (IRT) Class 3".

However, choose „IRT" and „High Flexibility" rather than „high Performance" for the „RT-Class".

4.4.4.

Isochronous Realtime (IRT) Class 3

Isochronous realtime considering signal delays, typical cycle time 1ms or less. Position is acquired with +/-

1µs precision or higher, according to high-precision bus clock.

Topology planning is mandatory. Make sure ports P1/P2 are correctly assigned as projected.

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