Lenze DDS v2.3 - Manual (Page 56)

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Programming languages
4-18
l
DDS EN 2.3
4.5 Function block diagram (FBD)
The function block diagram is a graphically oriented programming language.
It uses a list of networks, each of which contains a structure that represents a logical or arithmetic
expression, a function block call, a jump, or a Return instruction each.
Example of a network in FBD:
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