Analog Value Processing - Siemens SIMATIC S5-90U System Manual

12

Analog Value Processing

12.1 Reading in Analog Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.1.1 General Representation of Analog Input Values
12.1.2 Reading in and Scaling an Analog Value -FB250- . . . . . . . . . . . . .
12.1.3 Time Required for Reading and Accuracy of the Analog Value
Read in
12.1.4 Using Analog Inputs of the S5-95U as Additional Digital Inputs
12.2 Output of Analog Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.2.1 General Representation of Analog Output Values
12.2.2 Outputting Analog Values -FB251-
12.2.3 Time Required for Output and Accuracy of the Analog Value
Output
12.3 Example: Analog Value Processing with FB250 and FB251
EWA 4NEB 812 6115-02b
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . .
12- 2
12- 3
12- 5
12- 7
. . . . 12- 8
12- 9
12- 9
12- 10
12- 12
12- 14