Siemens SIMATIC 505 User Manual
2-6
Installation
Series 505 High Speed Counter
and Encoder Module User
’s Manual
Selecting Counter Operation (continued)
2.2.2
Selecting the
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.)
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
placing the jumper in the
(fast) or (slow) position as shown in
Figure 2-2.