Siemens SIMATIC S5 Manual page 116

Application Examples
001D M002 :JU FB 53
001E NAME :RPKT
001F :
0020 :A F 104.7
0021 :BEC
0022 :
0023 :A F 101.4
0024 :R F 101.4
0025 :R F 101.7
0026 :R F 101.6
0027 :R F 105.0
0028 :
0029 :
002A :BE
6-40
F 101.4 = REF.POINT APPROACH COMPLETE
RESET ALL AUXILIARY FLAGS
IF THE REFERENCE POINT APPROACH
IS COMPLETE
EWA 4NEB 812 6061-02a
IP 267