Siemens SIMATIC S5-115U User Manual page 255

Simatic s5 series cpu 941-7ub11 cpu 942-7ub11 cpu 943-7ub11 and cpu 943-7ub21 cpu 944-7ub11 and cpu 944-7ub21
Table of Contents

Advertisement

S5-115U Manual
The following operations can be combined with the processing statement:
A
, AN, O, ON
1
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
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
Figure 8-6 shows how data word contents specify the parameter of the next statement.
DB6
DW 12
KH=0108
DW 13
KH=0001
EWA 4NEB 811 6130-02b
Operations
FB x
:C
DB
.
.
.
:DO DW
:A
I
:DO DW
:FR T
Figure 8-6. Effect of the Processing Operation
Explanation
Binary logic operations
Set/reset operations
Timer operations
Counter operations
Load and transfer operations
Jump operations
Shift operations
Decrement and increment
Block calls
DO DWX; A Q X.Y or
DO FWX; A Q X.Y
Executed program
6
:C
DB
.
.
.
.
12
:A
I
0.0
.
13
:FR T
0
STEP 5 Operations
6
8.1
1
8-55

Advertisement

Table of Contents
loading

Table of Contents