Siemens SIMATIC S5 CP 523 Manual page 202

Using the "SEND" and "Receive" Function Blocks
STL FB 200
003F :AN =RKPL
0040 :JC =NORK
0041 :L FW 242
0042 :I
0043 :T FW 242
0044 :
0045 :DO FW 242
0046 :L PY
0047 :T =KBS
0048 :T FY 238
0049 :
004A :L FW 242
004B :D
004C :T FW 242
004D NORK :
004E :L FW 242
004F :D
0050 :T FW 242
0051 :
0052 :A F
0053 :JC =NEIN
0054 :
0055 :L KH 0002
0057 :JU =STAT
0058 NEIN :
0059 :L KH 0000
005B STAT :
005C :T =STAT
005D :
005E :L FY 238
005F :L KH 007F
0061 :AW
0062 :L KB 0
0063 :!=F
0064 :JC =KBOK
0065 :L KH 0088
0067 :T =STAT
0068 :
0069 KBOK :
006A :AN F 255.0
006B :ON F 254.0
006C :BEC
006D :
006E :***
8-12
1
0
1
1
254.0
Explanation
no computer link
Set pointer to base
address + 2 (byte 2 = CBS
for computer link)
Read CBS (when computer link)
output and
buffer
Set pointer back to module
base address + 1
Set pointer back to
module base address
Does CP523 report "send in progress"?
"NO"
Load STAT bit "Send in progress "
jump to STAT
STAT bit "Send mailbox empty"
Output STAT flag
Error code in CBS
(when computer link)?
CBS ok
Output error code for
"CBS error / computer link"
RLO = "0" on jump?
or Send mailbox occupied?
"End" of program
CP 523
EWA 4NEB 811 6044-02a