Introduction

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After the Download is finished, the Device will now automatically "Connect", which is indicated by a green background. This means, the Diagnosis is now available.

Establish communication

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At startup the PROFIBUS-DP Slave will not start the cyclic data exchange with the

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PROFIBUS-DP Master until the first Input data are updated from the application to the

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stack.

As long the first update of the Input data is not done by the application the stack

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will generate a so called static diagnostic to the master.

As soon the first Input data are

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written the normal data exchange will start.

This is for safety reason to make sure that

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the very first Input data transferred from the slave to the master are valid data from the application.

To simulate the first Input data update from the application

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to the stack, the IO Monitor in Communication Studio can be used.

Therefore open the IO Monitor in the Diagnosis and click "update":

In the General Diagnosis, the Communication will now be started:

Diagnosis

Mark the current Device and click "Diagnostic", or right-click to the device and select "Diagnostic" to open the diagnosis.

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