Handling with VIPA data handling blocks Manual BG41/BG42/BG43
4-42 Rev. 99/49
FETCH FB25
With this function block data is requested from partner equipment.
RECEIVE-ALL FB24
With this function block telegrams are received from partner equipment.
SEND-ALL FB22
From this function block requested telegrams from the partner equipment are answered.
Depending on the case of application only one function block is always required from the group
receive (FB21 RECEIVE or FB24 RECEIVE-ALL).
RELEASE BUILDING BLOCK FB28
This function block resets the new start bit and releases the building block for the SPS access. This
bit is to be given by the individual data handling blocks.
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