DNF Controls Universal Switch Panel (USP-8, USP-8D, & USP-16) - Manual (Page 40)

38 OF 41 Universal Switch Panel (USP) User Manual
B. GPO
1) USER DEFINED "ON" STATE.
a) Relay CLOSED
This setting will cause the relay
to close the GPO connection
when the switch is pressed.
The relay will be open when the
switch is not being pressed.
b) Relay OPEN
This setting will cause the relay
to open (break) the GPO
connection when the switch is
pressed. The relay will be
closed (on) when the switch is
not being pressed.
2) OPERATING MODE
a) Latch
Setting the operating mode to LATCH will cause the GPO state to change
to the opposite state each time that the
switch is pressed. Regardless of when the
switch is released, the GPO will not change
state until the switch is pressed again.
Press the switch, the GPO changes to ON, press switch again, the GPO
changes to OFF, press switch again, the GPO changes to ON, ect.,etc.
b) Momentary
Setting the operating mode to MOMENTARY will cause the GPO state to
turn on each time that the switch is pressed. The time that the GPO
remains on
depends on the
'MOMENTARY ON
TIME',
regardless of
how long the
switch is held down.
Press switch - GPO goes on , GPO goes off after 'on time' expires
Release switch - nothing happens
c) Follow
Setting the operating mode to FOLLOW will
cause the GPO state to turn on when the
switch is pressed and cause the GPO state
to turn off when the switch is released.
Press switch - GPO goes on
Release switch - GPO goes off