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Patch terminals S (set) and R (reset) can also be used to control the relays.
A high at either of these inputs forces the function relay to the state patched.
The relay is retained in the selected state until a high is patched to the
alternate state, at which time it will change states.
BEING
CAUTION
Damage to the relay will result if
reference voltage is grounded through
the relay contacts.
LATCH
SIGNAL
---+-t:--. . .
VOLTAGES
I
E I
COMPARED E 2
---+-pr..-. . .
OUTPUT!
~~~~----OUTPUT
S
0
R
0
Figure
9.2. Typical
Campara tor Patch in g
DIGITAL
9-3/9-4
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