Northern Airborne Technology LD12-002 - Manual (Page 5)

LD12-002 LED Dimmer
SM85 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 1 Page 1-2
ENG-FORM: 800-0116.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Dimmer Active low input. Grounding this pin will cause the
internal preset dimmer voltage to be supplied to all
LEDs.
Dimmer Ground Provides a convenient ground return for the dimmer
controls.
LED Power In Direct connection to internal LED bus.
LED Keys Active low keyline. Grounding this pin will cause the
selected LED to illuminate. Current drawn will depend on
type of LED used in circuit. Pin should be left open when
unused.
Outputs
LED Outputs 0 mA to 50 mA of current to 2 floating LED circuits and 10
ground keyed circuits for system annunciators.
Dimmer Out Direct connection to dimmer circuit output.
Provides up to 1 A of current.
1.4.2 Physical Specifications
Height
1.78 inches (45.1 mm) max
Length 5.29 inches (134.4 mm) max
Width 3.99 inches (101.3 mm) max including flanges
Weight 0.84 lbs (380 g) max
Mounting Bulkhead attachment (4 x 10-32 screws)
1.4.3 Environmental Specifications
Temperature -15
° C to +70° C (ambient)
-55
° C to +85° C (survival)
Altitude 50,000 feet max
Humidity 95% Non-condensing Cat. A
Vibration Conforms to DO-160C, Cat. B, M, N
Section 1 ends