Siemens High Speed Counter and Encoder Module SIMATIC 505 Bedienungsanleitung PDF herunterladen (Seite 15)



Overview

1-9

Series

505 High Speed Counter

and Encoder Module User

’

s Manual

1.5.4

Quadratur

If input A leads input B, the module counts up on both the rising and

falling edges of input A. If input B leads input A, the module counts down

on the rising and falling edges of input A.

Figure 1-6 illustrates the relationship between inputs A and B and the

count value in the 2X quadrature mode.

2X Quadrature

1234 3210

25 s

min

Counts Up

(A Leading)

Counts Down

(B Leading)

Count V

alue

26.7

s

min

Figure 1-6

Quadrature Mode

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 52 53

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Siemens High Speed Counter and Encoder Module SIMATIC 505 Bedienungsanleitung Seite 15