Siemens SIMATIC S5-115U, Руководство пользователя

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S5-115U Manual STEP 5 Operations
The following operations can be combined with the processing statement:
Explanation Operations
A
1
, AN, O, ON
S, R,=
FR T, RT, SF T, SD T, SI T, SS T, SE T
FR C, RC, SC, CD C, CU C
L, LC, T
JU=, JC=, JZ=, JN=, JP=, JM=, JO=
SLW, SRW
D, I
C DB, JU, JU, TNB
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Binary logic operations
Set/reset operations
Timer operations
Counter operations
Load and transfer operations
Jump operations
Shift operations
Decrement and increment
Block calls
1 The "AI" operation becomes the "AQ" operation in combination with "DO DW" or "DO FW" if the byte address in the
data or flag word is greater than 127.
CPU 944 is an exception: In this case, outputs are referenced with the operation sequence
DO DWX; A Q X.Y or
DO FWX; A Q X.Y
Figure 8-6 shows how data word contents specify the parameter of the next statement.
Figure 8-6. Effect of the Processing Operation
DW 12
DW 13
KH=0108
KH=0001
DB6
:C DB 6
.
.
.
:DO DW 12
:A I 0.0
:DO DW 13
:FR T 0
FB x
:C DB 6
.
.
.
.
:A I 8.1
.
:FR T 1
Executed program
EWA 4NEB 811 6130-02b
8-55