B&B Electronics 485DSS manual Table of Contents

TABLE OF CONTENTS
CHAPTER 1: HARDWARE		1
INTRODUCTION		1
Figure 1. Example of an RS-485/422 Multi-Node Network		1
CHECKLIST		1
SPECIFICATIONS		2
Figure 2. Top View of Circuit Board		2
PORT CONFIGURATION		2
RS-485/422 Port		2
Table 1. RS-422/485 Port		3
RS-232 Port		3
Table 2. RS-232 DTE DB25P Connector Chart		4
RS-422/485 Wiring		4
2-Wire Mode		4
Table 3. Component Values For Send Data Timing		5
Figure 3. RS-485 Wiring Diagram		6
4-Wire Mode		6
Figure 4. RS-422 Wiring Diagram		7
RS-485 AND RS-422 TERMINATION		7
POWER SUPPLY		7
OPERATION		8
Figure 5. Simplified Functional Diagram		9
COMMUNICATION CONFIGURATION		9
DISTRIBUTED SMART SWITCH COMMANDS		9
The Command String		10
ON Command		10
OFF Command		11
STATUS REQUEST Command		11
SETTING THE 485DSS ADDRESS		14
Table 4. Address Switch		14
BINARY FILE TRANSFER		15
CHAPTER 2: SOFTWARE		16
DESCRIPTION		16
APPENDIX A: ASCII CHARACTER CODES		A-1
APPENDIX B: DECIMAL/HEXADECIMAL CONVERSIONS		B-1
Table 5. Hex/Dec Conversions		B-1
APPENDIX C: CABLE CHARTS		C-1
485DSS-0308 Manual	Table of Contents	i

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91 792444 – Fax +353 91 792445