Allocation Of Connection Resources - Siemens SIMATIC S7-1500 Function Manual

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11.2

Allocation of connection resources

Overview - occupation of connection resources
The following figure shows how different connections occupy the resources of the S7-1500.
Figure 11-2
Communication
Function Manual, 11/2019, A5E03735815-AH
HMI communication: See below.
Open User Communication: Connections of Open User Communication occupy a connection
resource in every end point.
S7 communication: Connections of S7 communication occupy a connection resource in every
end point.
Web communication: The Web server connection occupies at least one connection resource in
the station. The number of occupied connections depends on the browser.
PG communication: The PG connection occupies one connection resource in the station.
OPC UA client/server communication: Connection resource allocation for the server, see below
OPC UA client/server communication: Connection resource allocation for the client, see below
Connection resource for HMI communication
Connection resource for Open User Communication
Connection resource for S7 communication
Connection resource for Web communication
Connection resource for PG communication
Connection resources for OPC UA server communication
Allocation of connection resources
Connection resources
11.2 Allocation of connection resources
311

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