Using the ”SEND” and ”Receive” Function Blocks
CP 523
Calculating the "Number of Send frames"
SEGMENT 4
No
Evaluate job acknowledgement
from CP 523
Yes
2
3
SEGMENT 5
Establish "SEND" connection to the CP 523
Transfer send length to the CP
Transfer end-of-text character
to the CP
Transfer "SEND" ID to the CP
SEGMENT 6
Read acknowlegement from CP
Output error message
Acknowledgement
with error?
ENDE
Load number of message blocks to
be sent from the CP
8-8
EWA 4NEB 811 6044-02a