Siemens SIMATIC S5 Series Manual page 49

S5-95U, Second Serial Interface
FB207 STL
NAME :SENDEN
:C
:O
:ON
:BEC
:
:A
:JC PB
:
:
:L
:T
:
:L
:ADD KF +1
:T
:
:AN
:S
:BE
FB208 STL
NAME :EMPFANG
:C
:A
:BEC
:
:A
:JC PB
:
:
:L
:T
:L
:T
:
:AN
:S
:BE
EWA 4NEB 812 6095-02
DB 207
F 100.7
I 0.0
F 100.0
1
KF +10
DW 0
DW 1
DW 1
F 100.7
F 100.7
DB 208
F 101.7
F 101.0
2
DW 0
QW 0
DW 1
QW 2
F 101.7
F 101.7
Computer Link with 3964(R) Transmission Protocol
Description
Open send mailbox
End if currently sending or
if no send request present
(Enable sending at I 0.0)
Error during last send procedure?
Then error evaluation in PB1
Prepare send mailbox
10 bytes are to be sent
(1st word in send mailbox)
Modify send data
Send initiation
Description
Open receive mailbox
End if no data has been
received.
Error during receiving?
Then error evaluation in PB2
Evaluate receive mailbox
Evaluate length received
Evaluate date received
Re-enable receive mailbox
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