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