S5-90U/S5-95U
STEP 5 Operations
Example:
The values of input bytes IB 19 and IB 20 are compared. If they are equal, output
Q32.5 is set.
Circuit Diagram
STL
CSF/LAD
Q32.5
IB 19
C 1
C 2
=
IB 20
C 1
F
!=
C 2
Q
IB 19
IB 20
Q32.5
L
IB
19
L
IB
20
!=F
=
Q
32.5
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
8.1.7
Arithmetic Operations
Arithmetic operations interpret the contents of the accumulators as fixed-point numbers and
manipulate them. The result is stored in ACCU 1. Table 8-7 provides an overview of the arithmetic
operations. An example follows the table.
Table 8-7. Overview of Arithmetic Operations
Operation
Meaning
Addition
The contents of both accumulators are added.
Operand
+ F
- F
Subtraction
The contents of ACCU 1 are subtracted from the contents of
ACCU 2.
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
The S5-95U has integrated function blocks for multiplication and division (see Section 9.2).
EWA 4NEB 812 6115-02b
8-31
Содержание SIMATIC S5-90U
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