Agilent Technologies TV 301SF Navigator Manual De Istrucciones página 253

Programmable analog signal: this output signal is a voltage (from 0
to 10 Vdc) proportional to a reference quantity (frequency or power)
set by the user. The default setting is the frequency (see the following
example diagram).
Figure 15
Fault: this open collector output signal is ON when a system fault
condition is detected.
Programmable set point: this open collector output signal is enabled
when the reference quantity chosen (frequency, current or time) is
higher than the set threshold. The signal can be "high level active" (that
is the output is normally at 0 Vdc and becomes 24 Vdc when activated),
or "low level active" (that is the output is normally at 24 Vdc and
becomes 0 Vdc when activated). Moreover, if the reference quantity is
the frequency or the current drawn, it is possible to set the hysteresis
(in % of the threshold value) to avoid bouncing.
For example:
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


TV 301SF Navigator User Manual /
reference quantity: frequency
threshold: 500 Hz
hysteresis: 1 %
activation type: "high level"
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