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Appendix a: changing the a/d converter settings, Base address settings for the adc500 – Ocean Optics S2000 User Manual

Page 98

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Appendix A: Changing the A/D Converter Settings

Base Address Settings for the ADC500

To change the Base Address settings on the ADC500 board, see the bank of 6 dip switches labeled SW1. Switches in
the OFF position have the decimal values shown. Switches in the ON position have a value of zero. The Base
Address is the sum of the values of the switches. In the default setting, switches 5 and 6 are added to give a total of
768. A few of the many combinations for Base Address settings are below. After you have changed the switches,
reinstall the card and change the software settings to match the hardware settings. (See pages 15-18 for instructions.)
The gray block indicates the position of the switch.

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Switch #

1

2

3

4

5

6

O N

O FF

D ecim al equivalent

16

32

64

128

256

512

Value as show n

256

512

Switch #

1

2

3

4

5

6

O N

O FF

Value as show n

16

256

512

Switch #

1

2

3

4

5

6

O N

O FF

Value as show n

32

256

512

Switch #

1

2

3

4

5

6

O N

O FF

Value as show n

16

32

256

512

sw itch is in the on, upw ard position =

Example: 768 decimal = Hex300 = 0x300 (Default Setting)

Example: 784 decimal = Hex310 = 0x310

Example: 800 decimal = Hex320 = 0x320

Example: 816 decimal = Hex330 = 0x330