Connecting Instructions or User-defined Function Blocks
l
Correct Connection Configurations
Parameters and commands, or user-defined function blocks can be connected with a connecting line.
The connecting line can connect two instructions or two user-defined function blocks.
Multiple instructions or user-defined function blocks can be connected to a single instruction or user-defined function block.
Var1 Var2
FB1
FB1
FB1 FB2
FB2
FB3
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Incorrect Connection Configurations
You cannot connect more than one instruction or user-defined function block to the right of another
instruction or user-defined function block. In this case, you must pass the signal to a variable as
shown in the following figure.
FB2
FB3
FB1
FB2
FB3
FB1
Var1
Var1
You cannot route a connecting line from the output to the input. In this case, you must pass the
signal to a variable as shown in the following figure.
6 Programming
6 - 24
NX-series Safety Control Unit User's Manual (Z930)
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