Lighting Controls Blue Box LT Series - Page 126

126 THE BLUE BOX LT DIGITAL INPUT CARD INSTALLATION GUIDE
LCDBBDICIG03Sept08
MOUNTING/INSTALLATION
If your DI Card is already installed in the Bue Box LT, skip
this section and proceed to “Connecting Inputs” on the
next page.
To add the DI Card to any Blue Box LT panel:
De-power the Master Panel (the relays in that pan-a)
el will automatically close).
If not already done, de-power the panel you are b)
adding the DI Card to (the relays in that panel will
close).
Snap the DI Card into the snap track above the c)
control card in The Blue Box LT.
Connect the board-to-board cable to the control d)
card.
Address the new DI Card, per the addressing steps e)
on the back of this Installation Guide.
Once the addressing stepts are complete, make-up f)
the contact closure connections (next page).
24V
3.3V
Gnd
1
2
456
MOUNTING INSTRUCTIONS
3
CALLOUT LEGEND:
For a complete parts list refer to The Blue Box LT
O&M Manual.
Board-to-board ribbon cable provides power 1.
and digital signal to the DI Card.
DI Card snaps into existing snap track on The 2.
Blue Box LT panel.
6 or 14 programmable contact closure inputs 3.
(DI-14 shown). Each input is numbered.
Ground input. Use only the on-board Ground 4.
as common. Do not use Earth Ground!
3V output supplies power to LED pilot lights 5.
(LC&D contact closure switches only).
24 V output (500 mA) for occupant sensors.6.
Momentary Switch
INPUT X
SPST Switch
Relay Contact
INPUT X
INPUT X
PWR
COM
Occupant
Sensor
INPUT Y
INPUT X
SPDT Switch
Momentary Switch
INPUT X
Momentary Switch
with LED Pilot Light
INPUT X
24V 3.3V Gnd
Gnd
3.3V
24V
Gnd
24V
3.3V
Gnd
3.3V
24V
Gnd
3.3V
24V
Gnd
24V
3.3V
Gnd
24V
3.3V
3
4