Datasheet

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Contents

1 Getting Started .............................................................................................................. 3

2 Weigh Scale Mode .......................................................................................................... 7

3 Analysis Mode ............................................................................................................. 11

4 Using the PC Software ................................................................................................... 14

5 Serial Console ............................................................................................................. 18

6 Hardware ................................................................................................................... 20

Appendix A Schematic and Layout ........................................................................................... 23

List of Figures

1 ADS1x31REF Controls and Connectors ................................................................................. 3

2 4-Wire Load Cell to Terminal Block ...................................................................................... 4

3 6-Wire Load Cell to Terminal Block ...................................................................................... 5

4 4-Wire Load Cell to Header................................................................................................ 5

5 6-Wire Load Cell to Header................................................................................................ 5

6 ADS1231REF PC Software Display .................................................................................... 15

7 ADS1x31REF Average Data............................................................................................. 16

8 ADS1x31REF Hardware Block Diagram ............................................................................... 20

9 ADS1x31REF PCB—Top Side .......................................................................................... 25

10 ADS1x31REF PCB—Layer 1 ............................................................................................ 25

11 ADS1x31REF PCB—Layer 2 ............................................................................................ 26

12 ADS1x31REF PCB—Bottom Side ...................................................................................... 26

13 ADS1x31REF Schematic—ADC ........................................................................................ 27

14 ADS1x31REF Schematic—MCU ........................................................................................ 27

15 ADS1x31REF Schematic—USB......................................................................................... 28

List of Tables

1 Unit Conversion Factors and Display Formats.......................................................................... 8

2 Parameters in Configuration Mode ....................................................................................... 9

3 Modes and Example Displays ........................................................................................... 11

4 Voltage Display Ranges .................................................................................................. 12

5 Parameters in Analysis Mode............................................................................................ 13

6 Console Mode Commands............................................................................................... 19

7 Load Cell Header Pinout ................................................................................................. 21

8 Terminal Block Pinout..................................................................................................... 22

9 ADS1x31REF Bill of Materials .......................................................................................... 23

ADS1131REF and ADS1231REF SBAU175A–July 2010–Revised August 2011

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