Becker BD406 - Gpo_1; Gpi_0; Gpi_1,;Gpi_2; Sdi_9, Sdi_10

Installation
Becker Avionics
Electrical Interface
54 BD406/PBD406 DV16401.03 Issue 04 May 2021
/GPO_1
Pin
Type
I/O
Name
Function
Remarks
18
Discrete
O
/GPO_1
Configurable general purpose
output.
P1 connector
The output has high impedance to GND when the device is off.
If not used, keep pin(s) unconnected.
/GPI_0
Pin
Type
I/O
Name
Function
Remarks
7
Discrete
I
/GPI_0
Configurable general purpose
input.
P1 connector
When it is activated and connected to DI_GND, voice notification of homing is audible (details "Audio
Notification" page 85).
/GPI_1, /GPI_2
Pin
Type
I/O
Name
Function
Remarks
20
Discrete
I
/GPI_1
General purpose input.
Reserved for future use.
P1 connector
10
Discrete
I
/GPI_2
General purpose input.
Reserved for future use.
P1 connector
If not used, keep pin(s) unconnected.
/ON
Pin
Type
I/O
Name
Function
Remarks
11
Discrete
I
/ON
Device remote enabling.
Active state (GND) of the pin
sets the device on.
P1 connector
When this input is connected to DI_GND the device is set to on.
/SDI_9, SDI_10
Pin
Type
I/O
Name
Function
Remarks
21
Discrete
I
/SDI_9
For SDI field of ARINC 429
frame configuration (bit 9).
Pin to GND results in bit 9 of
ARINC frames is set to 1.
P1 connector
22
Discrete
I
/SDI_10
For SDI field of ARINC 429
frame configuration (bit 10).
Pin to GND results in bit 10 of
ARINC frames is set to 1.
P1 connector
Inputs for SDI bits 9/10 status in ARINC 429 frames.
Connect pins to GND or if not used, keep pin unconnected.
/GPI_CH
Pin
Type
I/O
Name
Function
Remarks
23
Discrete
I
/GPI_CH
Spare discrete input of CH.
Reserved for future use.
P1 connector
If not used, keep pin(s) unconnected.