User Guide

485SDD16-1005 Manual Table of Contents i
B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350
PH [phone] -- FAX [phone]
Table of Contents
Chapter 1- Introduction........................................... 1
485SDD16 Features............................................... 1
Packing List ............................................................ 2
485SDD16 Specifications....................................... 2
I/O Lines................................................................................2
Inputs.................................................................................2
Outputs ..............................................................................2
Power Supply ........................................................................3
Communications ...................................................................3
Size .......................................................................................3
Chapter 2 - Connections......................................... 5
Digital I/O Connections........................................... 5
Digital Inputs .........................................................................5
Digital Outputs.......................................................................5
Ground ..................................................................................5
Serial Port Connections.......................................... 6
Power Supply Connections..................................... 8
Chapter 3 - Commands ........................................... 9
Syntax .................................................................. 10
I/O Data Bytes.....................................................................10
Read I/O Lines Command.................................... 12
Set Output Lines Command ................................. 12
Set Module Address Command............................ 13
Set Turn-around Delay Command........................ 13
Define I/O Lines Command .................................. 14
Set Power-up States Command ........................... 15
Read Configuration Command ............................. 15
Chapter 4 - I/O Interfacing..................................... 17
Digital Inputs......................................................... 17
Digital Outputs...................................................... 19
ii Table of Contents 485SDD16-1005 Manual
B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350
PH [phone] -- FAX [phone]
Chapter 5 - Software.............................................. 21
Programming Techniques..................................... 21
Read I/O Lines Command ..................................................21
Read Configuration Command ...........................................22
Set Output States Command ..............................................24
Define I/O Lines Command.................................................25
Set Power-up States Command .........................................26
Set Module Address Command..........................................27
Set Turn-around Delay Command......................................28
Demonstration Program ....................................... 29
Hard Drive Installation.......... Error! Bookmark not defined.
Running Demonstration Program .......................................29
APPENDIX A..........................................................A-1
ASCII Character Codes.......................................A-1
APPENDIX B..........................................................B-1
Hexadecimal/Decimal Conversions .....................B-1
APPENDIX C..........................................................C-1
Interface Modules for SDD16 Models..................C-1
DTB25 .................................................................C-2
DBM16 ................................................................C-3
DBM16 Interfacing ............................................................C-4
Inputs.............................................................................C-5
Outputs ..........................................................................C-7
DBM16 Specifications.......................................................C-8
I/O Lines ........................................................................C-8
Inputs .........................................................................C-8
Outputs ......................................................................C-8
Power Supply ................................................................C-8
Size................................................................................C-8
Appendix D
Adding Data Field Confirmation.........................D-1