Siemens CPU 948 Programming Manual page 480

Applications
FB 101 continued:
0037 :L FY 249
0038 :L FY 243
0039 :><F
003A :JC = EMPT
003B :
003C RECV :L KB 246
:JU OB 204
003D
003E :L FY 248
003F :JM =OBER
0040 :L FY 249
0041 :L KB 0
0042 :><F
0043 :JC =RECV
0044 :
0045 EMPT :L FY 242
0046 :I 1
0047 :T FY 242
0048 :L KB 4
0049 :<F
004A :JM = SRCH
004B :L KB 0
004C :T =ERWA
004D :BEU
004E :
004F ERWA :L KB 16
0050 OBER :T =ERWA
0051 :BE
10 - 76
Receiving capacity = number
of reserved
memory fields ?
SF OB:
"Receive a data field"
Abort if error/warning
if receiving capacity = 0
process next
link
Increment
link counter
All links
processed ?
Regular program end:
RLO = 0, ERWA = 0
Program end if error:
RLO = 1, ERWA contains
error/warning number
CPU 948 Programming Guide
C79000-G8576-C848-04