LD12 Remote Mount Light Dimmer

Product Description

The LD12 is a remote mounted light dimmer module that is designed for complicated annunciator requirements in Loran/GPS systems. It is capable of controlling 12 independent lamps with full test function. In its basic operation mode, the LD12 can function has a bulk lamp dimmer at one amp current capacity. Also, it can interface with RS-series remote switches from AEM that are used in Loran/GPS installations.

Specifications

• Weight:
  0.84 lb (380 g)
• Dimensions:
  1.75 x 5 x 3.95 in (44.5 x 127 x 100.3 mm)
• Input Power:
  24.8 VDC to 30 VDC, (27.5 VDC nominal)
• Input current:
  50 mA, idle (2 A, max)
• INPUT SIGNALS:
• Test keyline:
  Active low input. When grounded, this pin will cause all lamps to illuminate at full brightness, allowing the user to check for faulty filaments Max. current source 10 mA Input should be left floating when unused
• Dimmer:
  Active low input: Grounding this pin will cause the internal preset dimmer voltage to be supplied to all lamps
• Dimmer GND:
  Provides convenient ground return for the dimmer controls
• Lamp pwr in:
  Direct connection to internal lamp bus
• Lamp keys:
  Active low keyline. When grounded, the selected lamp will illuminate Current drawn will depend on type of lamp used in circuit Pin should be left open when unused
• OUTPUT SIGNALS:
• Lamp Outputs:
  Provides up to 50 mA of current to 2 floating lamp circuits and 10 ground keyed circuits for system annunciators Recommended lamps: Type 327, 387, or 388 for 28 Vdc operation @ 40 mA each
• Dimmer Out:
  Direct connection to dimmer circuit output Provides up to 1 Amp of current
• Temperature:
  -15°C to 70°C, operating -55°C to 85°C, storage
• Altitude:
  50,000 ft
• Humidity:
  95% non-condensing
• Vibration:
  DO-160C, Cat. B.M.N

Product Codes

• Mfr Part No
  LD12-001
• ECCN
  7A994
• SCHEDULE B CODE
  8518.40.2000

Documentation

• LD12-001 remote light dimmer user's manual