Siemens SIMATIC CP 541 Manual page 120

Program Examples
STL
OB 21
Segment 1
:JU PB 1
:BE
OB 22
Segment 1
:JU PB 1
:BE
PB 1
Segment 1
:L KH 0000
:T FY 0
:T FY 12
:
:L KH 0080
:T FY 11
:BE
STL
OB 1
Segment 1
:JU FB 12
Name :S 12=>11
ANST :I 32.0
:
:JU FB 11
:R 12<=11
:
:BE
H-6
Explanation
Restart block
Restart block
Reset auxiliary flag
Reset CBS
Set "ready" in CBR
Explanation
Cyclic program block
FB for sending to station 11
Initiate sending with I 32.0
FB for receiving from station 12
Communications Processor CP 541
EWA 4NEB 812 6188-02