Siemens SIMATIC CP 541 Manual page 124

Program Examples
STL
OB 21
Segment 1
:L KH 0000
:T FW 6
:T FW 8
:
:AN F 6.7
:S F 6.7
:
:BE
OB 22
Segment 1
:L KH 0000
:T FW 6
:T FW 8
:
:AN F 6.7
:S F 6.7
:
:BE
STL
OB 1
Segment 1
:
:JU FB 11
Name :R 3<=0
:
:JU FB 12
Name :S 3=>0
:
:BE
H-10
Explanation
Restart processing
Reset CBR
Reset CBS
Set receive readiness in CBR
Restart processing
Reset CBR
Reset CBS
Set receive readiness in CBR
Explanation
Cyclic program processing
FB for receiving from DP master
FB for sending to DP master
Communications Processor CP 541
EWA 4NEB 812 6188-02