Teledyne 9110T DC Power Test Point and Wiring Color Codes, DC Power Supply Acceptable Levels

Models: 9110T

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Model 9110T NOx Analyzer

Troubleshooting & Service

Table 12-6: DC Power Test Point and Wiring Color Codes

NAME

TEST POINT#

COLOR

DGND

1

Black

+5V

2

Red

AGND

3

Green

+15V

4

Blue

-15V

5

Yellow

+12R

6

Purple

 

 

 

+12V

7

Orange

DEFINITION

Digital ground

Analog ground

12 V return

(ground) line

TP1 TP2 TP3 TP4 TP5 TP6 TP7

DGND +5V AGND +15V -15V +12R 12V

Figure 12-4: Location of DC Power Test Points on Relay PCA

A voltmeter should be used to verify that the DC voltages are correct per the values in the table below, and an oscilloscope, in AC mode, with band limiting turned on, can be used to evaluate if the supplies are producing excessive noise (> 100 mV p-p).

Table 12-7: DC Power Supply Acceptable Levels

VOLTAGE CHECK RELAY BOARD TEST POINTS MIN V MAX V

POWER

 

FROM

 

TO

 

 

 

SUPPLY

 

Test Point

 

Test Point

 

 

 

 

NAME

 

#

NAME

 

#

 

 

PS1

+5

DGND

 

1

+5

 

2

+4.85

+5.25

PS1

+15

AGND

 

3

+15

 

4

+13.5

+16.0

PS1

-15

AGND

 

3

-15V

 

5

-13.5

-16.0

 

 

 

 

 

 

 

 

 

 

PS1

AGND

AGND

 

3

DGND

 

1

-0.05

+0.05

 

 

 

 

 

 

 

 

 

 

PS1

Chassis

DGND

 

1

Chassis

 

N/A

-0.05

+0.05

 

 

 

 

 

 

 

 

 

 

PS2

+12

+12V Ret

 

6

+12V

 

7

+11.8

+12.5

PS2

DGND

+12V Ret

 

6

DGND

 

1

-0.05

+0.05

Teledyne Analytical Instruments

284

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Teledyne 9110T instruction manual DC Power Test Point and Wiring Color Codes, DC Power Supply Acceptable Levels, From