Configuring Communication Connections
Attributes | Description | Access |
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Local Endpoint |
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ID | The entry is identical to the Local ID parameter in the | Selectable |
| connection list. |
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Name (loc. endpoint) | When you create the connection, a name is proposed here | Modifiable |
| along with a connection number as suffix. |
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| With unspecified connections, use this box to identify the |
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| partner. |
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Via CP | If the station contains more than one CP of the same type | Display only |
| connected to the same subnet, you can select the connection |
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| route |
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| If no CP is assigned (for example because the CP has been |
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| deleted) “none” is displayed here. |
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Active Connection | With this option, you specify whether the connection is | Modifiable |
Establishment | established by this S7 station. This is the default setting when |
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| the address of the partner is specified. |
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| If you selected partner “unspecified” when you created the |
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| connection, the option is deselected as default. If you activate |
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| the option, you must also specify the address of the partner in |
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| the “Addresses” tab. |
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| ON: the connection is established actively. |
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| OFF: the connection is established by the partner. |
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Use for FTP protocol | Selecting the option has the following effects: | Modifiable |
| S The TCP connection is now used as an FTP connection. |
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| S ”Addresses” tab: The addresses are specified automatically |
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| (Port=21) |
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| S ”Options” tab: The mode is set permanently to FTP. |
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| S The ”Active connection establishment” option is irrelevant |
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| and cannot be set. |
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| No. of connections: See /1/ |
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| Precondition: The option can only be selected for an |
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| unspecified TCP connection. |
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Block Parameters |
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ID | This value must be entered as a block call parameter ID for | Display only |
| calling the FC in the user program to identify the connection. |
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| The ID changes if the local ID is changed. |
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LADDR | This value must be entered as a block call parameter ID for | Display only |
| calling the FC in the user program to identify the connection. |
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Connection Name (Reference) – Only in Multiproject
If you create a connection to a partner in another project, that has not yet been merged with the current multiproject, you must enter a connection name as reference. Interproject connections can then be joined up based on this reference. As soon as the connections have been brought together, the connection name (reference) can no longer be entered.
SIMATIC NET NCM S7 for Industrial Ethernet | 121 |