
CP 523 Using the ”SEND” and ”Receive” Function Blocks
No
Yes
Yes
Yes
No
No
1
SEGMENT 3 Checking the ”SEND” FB parameters
No
Q-DB available?
Calculate Q-DB length
QANF ok?
QLAE > 0
No
Yes
QLAE > 128
ENDZ
> 0
2
Yes
Q-DB length>=
QANF+QLAE
2
Yes
END
Output error message
No
EWA 4NEB 811 6044-02a
8-7
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