Siemens S7 Bedienungsanleitung PDF herunterladen (Seite 105)

Configuring Communication Connections

105

SIMATIC NET NCM S7 for Industrial Ethernet

C79000-G8976-C129–06

4.4.3 Specifying ISO Transport Dynamic Properties

Dynamics Tab

The Dynamics tab displays the relevant timers and counters of this connection.

You can normally accept these default values.

If necessary, for example with connections to non-Simatic systems, you can set

the timers and counters individually and influence the dynamic response of the

connection.

Figure 4-10 Layout of the “Dynamics” Tab of the Properties Dialog

Attributes Description Access

Connection Establishment

Retransmission Time

The retransmission time specifies the interval after

which an unsuccessful connection establishment

attempt can be triggered again (1–60 s, default 5 s)

– if connection establishment is active

– if connection establishment is passive (–> irrelevant)

Modifiable

–––––

Data Transfer

Retransmission time This parameter specifies the interval after which an

unsuccessful transmission attempt can be triggered

again (100–30000 ms, default 1000 ms).

Modifiable

Max. Count Max. Count is the number of attempted transmissions

including the first (1–100, default 5).

Modifiable

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Siemens S7 Bedienungsanleitung Seite 105