Driver-specific functions

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This driver supports the following functions:

Fetch Event

If data exchange is performed by way of notification, only the data blocks can be read!

If you also want to read markers, inputs, outputs, times and counters, Fetch Event must be deactivate (limitation VIPA card). Additionally, the port number must be changed according to the CP configuration.


The TCP/IP protocols of the different cards are not compatible with each other. The connection to zenon can also be established in mixed mode.

In Event Fetch mide, data blocks on the S7 PLC can have a maximum size of 2048 bytes.