SI Solo/Pro 2, Руководство по установке, Страница: 38 / 64

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Control 485 - with 3rd party (Dry Contact) via Fontus
Projector Dry Contact Closure Input
1a. If your screen is low-voltage then at the Head end
location, connect the Power Supply wires to the
V+ and V- (Fontus).
1b. If your screen is line-voltage then no power
connection is needed at the Head end (AC motor
provide power for Fontus).
2. A momentary contact between (+) and (G) will
send the upper limit (UP) command to the screen
over 485.
3. A momentary contact between (-) and (G) will
send the lower limit (DOWN) command to the
screen over 485.
CONTROL 485 WITH 3RD PARTY
(DRY CONTACT) via FONTUS