Sanden SN3500, Руководство по установке

Страница: 41 / 150

Installation
82005-IM-K Sandel SN3500 Installation Manual Page 3-6
P1-39: DME 2 CLK/429B
P1-25: DME 2 Data/429A
P1-10: DME 2 Sync
ARINC 568 Sync or King Clk/Data/Sync (DME REQ) signal input. NOTE:
This is DME 2.
P1-26: External Brightness Control
Broken Wire Detection
0 to 0.5VDC, revert to internal control.
Full Dim
1.5VDC
Full Bright
14V Aircraft: A/C power minus 2VDC
28V Aircraft: A/Ct power minus 4VDC
P1-40: DME 2 Hold
Discrete HOLD input signal for on-screen annunciator
P1-41: Inner Marker Beacon Input
P1-27: Middle
Marker Beacon Input
P1-12: Outer Marker Beacon Input
Marker beacon receiver inputs. Normally connected to the external lamp
drivers on the marker beacon receiver, see the installation drawings. Most
marker beacon receivers use “DC” ground referenced outputs driven by
transistor drivers. All such receivers are compatible as shown on the
installation drawings. Some very old designs may use transformer outputs
which are AC coupled. These may not be compatible.
P1-42: ARINC1 429-A Output
P1-28: ARINC1 429-B Output
Low or high speed ARINC 429 output, spare. (Future use.)
P1-13: Ch1 RS-232 TX Output
RS-232 serial data outputs. TXD-2 is used to support WX-500 Stormscope® .
24 AWG shielded wire is required for each of these functions.
P1-43: WPT Annunciator input
P1-29: MSG Annunciator input
P1-14: ACT (Approach Active) Annunciator Input
P1-44: ARM
(Approach Arm) Annunciator Input
Active-low inputs for GPS/LRN on-screen annunciators.
P1-15: OBS-/LEG, HLD-/AUTO or PAR TRK- Annunciator Input
For selected GPS-1 receiver with OBS/LEG mode (or HOLD/AUTO), this input
when low senses and annunciates OBS or HOLD on the SN3500 display and
changes the mode of the course pointer from auto-slew to manual control.
Otherwise, this is used as a PAR TRK input for other types of receivers, based
on the selection in the LNAV maintenance page.