DNF Controls Universal Switch Panel (USP-8, USP-8D, & USP-16) - Manual (Page 27)

Universal Switch Panel (USP) User Manual 25 OF 41
H. GPI CONFIGURATION
Use this page to configure the operation of the GPIs. If the GPIs are not
used, this page may be left blank.
GPI Configuration Table Parameters
Parameter Description
User Defined ON State OPTO ON: The GPI is ON when the opto-isolator (GPI input) is ON
(energized). The GPI is OFF when the opto-isolator is
OFF (de-energized).
OPTO OFF: The GPI is ON when the opto-isolator (GPI input) is
OFF (de-energized). The GPI is OFF when the opto-
isolator is ON (energized).
User Defined ON Mode LATCHED: The external tally (GPI Input) turns ON and stays ON.
The external tally turns OFF and stays OFF.
TOGGLE: The external tally turns ON for a short time and then
turns off and stays off. The GPI state toggles (ON
OFF or OFF ON) each time the opto-isolator turns ON.
Debounce Time
The time period that the external tally (GPI Input) must remain on
to be detected as ON. (The selected time is multiplied by 10
milliseconds to compute the actual Debounce time.)
Mapped to Tally The column is read-only and shows the current switch tally
assignment for each GPI.