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5 Noncyclical data exchange
5.1.1 Single-ID and Multi-ID
To implement the exchange of single (Single-ID) or multiple (Multi-ID) noncyclical data points, you must
take the following steps:
• Declare 1 data structure each for both the outgoing and the incoming direction. Select the "Single-
ID" format to transfer 1 data point within a data exchange sequence. Select the "Multi-ID" format to
transfer up to 4 data points within a data exchange sequence.
• Program a sequence control for the data exchange sequence.
The procedure is described below.
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