Chapter 3: Architecture
45
4.
Perform an arithmetical XOR with 0h0800 for
PowerDAQ 12-bit boards and with 0h8000 for all
PowerDAQ II and PowerDAQ 16-bit boards
5.
Multiply by the “bit weight” from step 1
6.
Add the “zero offset” from step 2
7.
If a gain other than 1 was used for a selected channel,
divide the value received by the gain factor (Doing this
step last guarantees the maximal data accuracy.)
8.
To convert voltage into analog output value you can use
following formulas:
For 12-bit PowerDAQ board:
Value = (((HexData AND 0xFFF) XOR 0x800) *
Bit Displacement) / Gain
For all other models
Value = ((HexData XOR 0x8000) * Bit
Displacement) / Gain
Summary of Contents for PD2-MF
Page 5: ...Table of Contents iii Index 137 ...
Page 11: ...1 1 Introduction ...
Page 18: ......
Page 19: ...9 2 Installation and Configuration ...
Page 34: ......
Page 35: ...25 3 Architecture ...
Page 63: ...53 4 PowerDAQ Software Development Kit PD SDK ...
Page 106: ......
Page 107: ...97 5 Calibration ...
Page 109: ...99 A Appendix A Specifications ...
Page 110: ...Appendix A Specifications 100 ...
Page 112: ......
Page 113: ...103 B Appendix B Accessories ...
Page 118: ......
Page 119: ...109 C Appendix C Application Notes ...
Page 125: ...115 D Appendix D Warranty ...
Page 128: ......
Page 129: ...119 E Appendix E Glossary ...
Page 152: ......