Data Transmission by Accessing Layer 2 Services S5-95U, SINEC L2
Meaning of the Parameters of FB223 and FB224:
”ANST”: Input parameter bit
The request job is initiated when this bit is set. Set the bit before invoking FB223.
FB223 resets the bit once L2-SEND and L2- RECEIVE have executed without error.
”LSTA”: Output parameter byte
FB223 tells you the link_status of the confirmation. The link_status indicates the
success or failure of the preceding request. You can evaluate the link_status in flag
byte 9.
”EMPF”: Input parameter bit
This parameter enables receipt of an indication. Set this bit before invoking FB224.
FB224 resets the bit once the indication has been received without error(s).
FB223 Explanation
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
Segment 1 0000
Name :SENDER
Send FB for the SDA, SDN, SRD,
Des :ANST I/Q/D/B/T/Z: I BI/BY/W/D: BI RUP_SINGLE and RUP-MULTIPLE services
Des :LSTA I/Q/D/B/T/Z: Q BI/BY/W/D: BY
:
The request DB is sent in this FB and the
: confirmation of the respective
: services fetched
:
:
EDGE "Completed without error"
:A F 77.2 STBS "Job completed without error"
:AN F 20.0 Auxiliary edge flag
:= F 20.1 Edge "Job completed without error"
:
:A F 77.2
:= F 20.0
:
:A F 20.1
Edge "Job completed without error"
:RB =ANST Reset send initiation bit
:
:A =ANST
Interrogation of send initiation bit
:AN F 77.1 STBS "Job executing"
:R F 20.0 Reset auxiliary edge flag
:
:
:JC FB 252
Invoke L2-SEND
Name :L2-SEND
A-NR : KY 0,48
Job number for request = 48
QTYP : KS DB Send data are in
DBNR : KY 0,33 DB33
QANF : KF +1 starting at DW 1
QLAE : KF +8 Send length: 8 words in this case
: Length = 8-byte header + net data
: (in the case of SRD without net data: 4 words)
8-12
EWA 4NEB 812 6112-02
To Next Page
Loading...
Need help?
General
