B&B Electronics 485DSS manual Hardware Introduction, Checklist

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Chapter 1: HARDWARE

Introduction

The RS-485 Distributed Smart Switch (485DSS) connects one RS-232 device to an RS-485 multi-node network as shown in Figure

1.To accomplish this, the 485DSS converts RS-232 to an addressable RS-485 node. A unique address, from 0 to 255, is user assigned by setting switches on the 485DSS.

Figure 1. Example of an RS-485/422 Multi-Node Network

Checklist

The following items should be in the shipping carton:

1.RS-485 Distributed Smart Switch

2.Instruction Manual

3.Software

Contact the shippers immediately if any of the items above is missing or has damage.

485DSS-0308 Manual

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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

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Contents Designed and Manufactured Ottawa, Illinois Electronics Mfg. Co. IncInternet 485DSS-0308 Manual CoverPage Table of Contents IiTable of Contents 485DSS-0308 Manual Hardware Introduction ChecklistRS-485/422 Port SpecificationsPort Configuration RS-232 Port RS-422/485 Port Terminal Block Signal Description DirectionSignal Ground +12VDC Power Supply Input RS-422/485 Wiring Clear to Send Input Signal GroundWire Mode Frame Ground Transmit Data Output Receive Data InputComponent Values For Send Data Timing RS-485 Wiring Diagram Wire Mode RS-422 Wiring Diagram RS-485 and RS-422 Termination Power SupplyOperation Distributed Smart Switch Commands Communication ConfigurationOn Command Command StringDecimal HexStatus Request Command OFF CommandPage ACK DIP Switch Setting the 485DSS AddressAddress Switch Binary File Transfer Software Description 485DSS-0308 Manual Appendix a Appendix a Ascii Character CodesPage Appendix B Decimal/Hexadecimal/Conversions SymbolDec/Hex Conversions Decimal Hexadecimal 485DSS-0308 Manual Appendix BDecimal to Hexadecimal Conversion Hexadecimal to Decimal ConversionChart 1. IBM PC DB25 Connector to 485DSS RS-232 DTE Port Appendix C Cable ChartsRS-232 DTE Port DB25 Connector Direction RS-232 DTE PortDevice Direction Terminal Blocks Chart 6. RS-485 2-Wire Device to 485DSS RS-485/422 PortRS-485/422
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