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FAI Connections
Figure 6-21: FAI with Latch
F and K input Supervision
Although the F and K inputs will work when they are unsupervised, as shown in
Figure 6-20
on page 6-24 and
Figure 6-21
on page 6-25, Software House recommends that you use the
standard Software House method of supervising the inputs. Use parallel/serial for the
normally open K input and use serial/parallel for the normally open F signal.
The wiring is shown in
Figure 6-22
on page 6-25. Be sure that the resistors are as close as
possible to the F and K switches for the most security.
Figure 6-22: K and F Supervision
iSTAR Ultra Installation and Configuration Guide
6–25
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