Siemens SIMATIC S5 CP 523 Manual page 197

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