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Copyright 1998 Baker Hughes Company.

English–ADTS 405 Altimeter Encoder Option User Manual | 3

Note: 

C4 is the least significant bit and D2 the most significant bit; unused most significant bits 

can be left open circuit.

2.3  Cable Assembly

A standard cable assembly is supplied as part of the altimeter encoder option. A Deutsch Ltd. 

AS612

-

35PN

-

903M connector is fitted to one end of this 6

 

meter, 15

-

core cable assembly.

9

B2

11

B1

13

A4

22

A2

2

A1

4

D4

6

D2 MSB

8

Common (0V) signal

10

Common (0V) power

14

+24

 

V Vibrator

12

+24

 

V Encoder

Table

 

2: Altimeter Encoder Cable Assembly

 

Front Panel Connector 

AS612

-

35PN

-

903M Pin 

No.

Function

Cable Color Code

1

C4

LSB brown

3

C2

Red

5

C1

Orange

7

B4

Yellow

9

B2

Green

11

B1

Blue

13

A4

Violet

22

A2

White

2

A1

Grey

4

D4

Black

6

D2 MSB

Turquoise

8

Common (0V) signal

Pink

10

Common (0V) power

Yellow/red

14

+24

 

V Vibrator

Red/blue

12

+24

 

V Encoder

Green/red

Shell

Case/ground

Shell

Table

 

1: Front Panel Connector(Continued)

Pin No.

Function

Summary of Contents for ADTS 405 R/F

Page 1: ...Druck com ADTS 405 R F Altimeter Encoder Option Instruction Manual...

Page 2: ......

Page 3: ...and plural 1 Introduction The ADTS 405 Altimeter Encoder Option allows the output from encoder altimeters to be displayed on either the hand held terminal or display and key pad of the unit The displa...

Page 4: ...tails of pin cable identification and function are shown in Table 4 2 2 Front Panel Connector The front panel connector must be a MIL C 38999 series 1 size 12 shell receptacle with socket contacts in...

Page 5: ...s 6 meter 15 core cable assembly 9 B2 11 B1 13 A4 22 A2 2 A1 4 D4 6 D2 MSB 8 Common 0V signal 10 Common 0V power 14 24 V Vibrator 12 24 V Encoder Table 2 Altimeter Encoder Cable Assembly Front Panel C...

Page 6: ...The 15 core cable is supplied for the AAU 32 encoder unit Note The D2 data line turquoise cable is not defined for the AAU 32 it is for above 62 000 ft and not connected Table 3 Rear Panel Connector...

Page 7: ...e the settings during operation use the set up menu as follows 13 A4 Violet H 22 A2 White J 2 A1 Grey K 4 D4 Black L n c D2 MSB Turquoise n c 8 Common 0V Signal Pink A 10 Common 0V Power Yellow red b...

Page 8: ...then repeatedly press QUIT until the display shows the normal encoder option data 3 2 Errors The display shows ENCODER ERROR in the place of a decoded altitude value when the bit pattern does not deco...

Page 9: ...r not connected 2 Altimeter switched off 3 Altimeter strobe transponder input not grounded 4 Faulty altimeter 3 2 3 Stuck Digit in Bit Pattern If one digit remains unchanged with changing pressure the...

Page 10: ...Copyright 1998 Baker Hughes Company 8 ADTS 405 Altimeter Encoder Option User Manual English...

Page 11: ......

Page 12: ...kerhughes com Bangalore 91 9986024426 aneesh madhav bakerhughes com Milan 39 02 36 04 28 42 csd italia bakerhughes com Japan Netherlands Russia Tokyo 81 3 6890 4538 gesitj bakerhughes com Hoevelaken 3...

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