Siemens High Speed Counter and Encoder Module SIMATIC 505 Manual do Utilizador descarregar pdf (Página 22)

2-6

Installation

Series

505 High Speed Counter

and Encoder Module User

’

s Manual

Selecting Counter Operation (continued)

2.2.2

Selecting the

Some applications require faster response on the reset input line than

Reset Filter

the standard 3.75-ms filter allows. For faster response, select the optional

0.95-ms filter

. (The 0.9-ms filter is more sensitive to noisy signals, as noted

in the Environmental Specifications in Appendix B.)

The reset filter may be selected independently for each input channel by

placing the jumper in the



(fast) or



(slow) position as shown in

Figure 2-2.

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