The following blocks are required:
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ibaREQ_M (FB140), see ibaREQ_M (FB140)
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ibaREQ_UDPact (FB145), see ibaREQ_UDPact (FB145)
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ibaREQ_UDPint (FB146), see ibaREQ_UDPint (FB146)
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ibaREQ_DB (DB15)
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ibaUDT_UDPact (UDT145)
Note |
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Only use Request blocks from the latest iba S7 library! Request blocks in application examples can be outdated and, thus, cause errors. |
For each Request module
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Call the ibaREQ_M (FB140) preferably within the OB1.
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Call the ibaREQ_UDPint (FB146) preferably within a cyclic interrupt OB (OB3x).
For each additional Request module
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In the blocks folder, a data block ibaREQ_DB (DB15) has to be available for each Request module. Copy the data block and assign a new unique DB number.
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Within the OB1, the ibaREQ_M (FB140) has to be called once more with a new DB number (input REQ_DB) for each Request module.
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Within a cyclic interrupt OB (OB3x), the ibaREQ_UDPint (FB146) has to be called once more with the new DB number (input REQ_DB) for each Request module.
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Make sure that all instance data blocks are unique and that unique values are assigned for the CON_ID and LOCAL_PORT parameters.
Final
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Load all blocks into the S7 CPU and restart the S7 CPU.