Siemens Simatic S5 IP 240 Manual page 262

Positioning
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SAMPLE PROGRAM FOR S5-135U AND 150U
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ADDRESS REQUIRED IN PROGRAM DEPENDS ON
PLC TYPE AND DATA BLOCK TYPE:
S5-135U - DB - DF00 HEX
- DX - DE00 HEX
S5-150U - DB - DBBE HEX
======================================================
NAME :L/T DWX
ID :DBNR I/Q/D/B/T/C: D
ID :DWNR I/Q/D/B/T/C: I
ID :L/T I/Q/D/B/T/C: I
ID :DWN I/Q/D/B/T/C: I
ID :DWN1 I/Q/D/B/T/C: I
ID :DWN2 I/Q/D/B/T/C: I
0017 :K KH DF00
0019 :LW =DBNR
001A :+F
001B :LIR 1
001C :L =DWNR
001D :+F
001E :A =L/T
001F :JC =TIR
0020 :LIR 3
0021 :TAK
0022 :T =DWN
0023 :TAK
0024 :ADD BN +1
0025 :LIR 3
0026 :TAK
0027 :T =DWN1
0028 :TAK
0029 :ADD BN +1
002A :LIR 3
002B :TAK
002C :T =DWN2
002D :BEU
002E TIR :L =DWN
002F :TAK
0030 :TIR 3
0031 :ADD BN +1
0032 :L =DWN1
0033 :TAK
0034 :TIR 3
0035 :ADD BN +1
0036 :L =DWN2
0037 :TAK
0038 :TIR 3
0039 :BE
10-96
KM/KH/KY/KS/KF/KT/KC/KG: KF
BI/BY/W/D: W
BI/BY/W/D: BI
BI/BY/W/D: W
BI/BY/W/D: W
BI/BY/W/D: W
(DF00 FOR DB/135U)
(DE00 FOR DX/135U)
(DBBE FOR DB/150U)
LOAD ADDRESS OF 1ST DW (DW0)
SOURCE/TARGET DATA WORD NUMBER
COMPUTE 1ST DW ADDRESS
LOAD/TRANSFER VALUES
LOAD ACCUM2 WITH VAL.FROM DW N
FETCH VALUE IN ACCUM1
OUTPUT VALUE
LOAD ACCUM1 WITH DW ADDRESS
OFFSET OF +2 TO DW ADDRESS
LOAD ACCUM2 W. VAL.FRO: DW N+1
FETCH VALUE IN ACCUM1
AND OUTPUT
.
.
.
LOAD VALUE FOR DW N
LOAD DW ADDR. INTO ACCUM1
TRANSFER VALUE TO DW N
OFFSET OF +2 TO DW ADDRESS
LOAD VALUE FOR DW N+1
LOAD DW ADDR. INTO ACCUM1
TRANSFER VALUE TO DW N+1
.
.
.
IP 240
EWA 4NEB 811 6120-02a