Daktronics P1146, Руководство пользователя

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Mechanical and Electrical Installation
6
6. Outdoor displays: Use a 6-conductor cable from the SI-32 (TB9) to the RS422 IN at the
display. The signal cable will be wired one-to-one from the SI-32 to the display input.
(See your display installation manual for RS422 input location.)
7. Connect additional displays per your display’s installation manual.
Switches to SI-32
The switches are NOT supplied by Daktronics.
Note: Each switch input has a P and an N connection, which are connected to an
in5V and ground respectively.
Note: Set the DIP switch to the correct setting before powering up the switch
interface. The switch setting is only recognized on boot-up. If you change the
switch setting, recycle power to the unit.
SPST
Each SPST switch connects to
one switch input and controls
one message. Refer to the OSI-
32 Wiring Diagram .
1. Connect one N.O.
(Normally Open) terminal
of the SPST switch to SW1-P
and connect the other C
(Closed) terminal to SW1-N
as shown in Figure 6 .
2. Connect all other SPST
switches per Step 1 .
Figure 5: RS422 Layout
Figure 6: SPST Mode Connection (Toggle Switch Shown)