Daktronics SI-32, Display Manual, Page: 11 / 29

Mechanical and Electrical Installation
7
SPDT
Each SPDT switch connects to
two switch inputs and controls
two messages. Refer to Figure 7
and the following steps for SPDT
switch wiring.
1. Connect one outer N.O.
(Normally Open) terminal of
the SPDT switch to SW1-P.
2. Connect the center
(common) terminal to
SW1-N.
3. Connect the other outer
(N.O.) terminal to SW2-P.
4. Connect all other SPDT switches per Steps 1 through 3.
Momentary
Each momentary switch
connects to one switch input
and controls one message.
1. Connect one N.O. (Normally
Open) terminal of the
momentary switch to SW1-P
and connect the other C
(Closed) terminal to SW1-N
as shown in Figure 8 .
2. Connect all other
momentary switches per
Step 1 .
Figure 7: SPDT Mode Connection (Toggle Switch Shown)
Figure 8: Momentary Mode Connection (Toggle Switch
Shown)