B&B Electronics 232DRIO

B-2 Appendix B 232DRIO-0308 Manual

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5104

Hexadecimal to Decimal Conversion:

Decimal = (1st Hex digit x 4096) +

(2nd Hex digit x 256) +

(3rd Hex digit x 16) +

(4th Hex digit)

Each "Hex digit" is the decimal equivalent value of the

hexadecimal symbol.

Example: Convert 10FC hexadecimal to decimal.

10FC hex equals 4348 decimal.

Decimal to Hexadecimal Conversion:

Example: Convert 4348 decimal to hexadecimal.

4348 decimal equals 10FC hexadecimal.

1 x 4096 = 4096

0 x 256 = 0

15 x 16 = 240

12 x 1 = 12

4348

4096 4348 = 1 = 1 (1st Hex digit)

4096

256 252 = 0 = 0 (2nd Hex digit)

16 252 = 15 = F (3rd Hex digit)

240

1 12 = 12 = C (4th Hex digit)

Contents

Main RS-232 Digital Relay I/O Page Table of Contents Page Chapter 1- Introduction 232DRIO Features Figure 1.1 232DRIO Module RELAY Packing List 232DRIO Specifications POWER Microcontroller Page Chapter 2 - Connections I/O Connections Table 2.1 - 232DRIO Terminal Blocks Serial Port Connections Table 2.3 232DRIO To DTE Connections Power Supply Connections Chapter 3 - Commands Page Syntax Table 3.3 Bit Assignments for I/O Lines Page Read I/O Lines Command Set Output Lines Command Chapter 4 - I/O Interfacing Figure 4.1 Board Layout Opto-isolated Input 232DRIO EXTERNAL CIRCUIT 5-30 Vdc/Vac Opto Isolated Input Relay Outputs 232DRIO EXTERNAL CIRCUIT 5-30 Vdc/Vac Opto Isolated Input 0-30 Vdc @ 8A max. Chapter 5 - Software Programming Techniques 232DRIO.LIB Table 5.1 - Digital I/O Mask Values QuickBasic (DEMO232.EXE and DEMO232.BAS) C/C++ (DEMO232.EXE and DEMO232.CPP) Demonstration Program Page Page APPENDIX B Hexadecimal/Decimal Conversions Table 1.