B&B Electronics Ltd's Technical Library

RS-485 and RS-422
	Technical Articles • RS-422/485 Application Note • B&B Converters for the Industrial World • Basics of the RS-485 Standard • Cable Selection for RS-422 and RS-485 Systems • Getting From Here to There: Serial Communications Systems • Polarities for Differential Pair Signals (RS-422 and RS-485) • Port Powered Serial Converter FAQ • Tips for Using Port Powered Converters • RS-485 Problem Solver - Trouble Shooting Guide Walks You Step by Step • RS-485 Quick Guide - Just the Essentials on a Single Piece of Paper • System Design With Port Powered Converters • Troubleshooting an RS-232 to RS-485 Interface Converter • RS-485 Q&A • Industrial Bus Compatibility Chart • An RS-485 Tale of Woe Illustrations • RS-422 Converter to 422 Device (Illustration) • RS-422 Loopback Connections • RS-485 2-Wire Converter to 2-Wire 485 Devices • RS-485 4-Wire Converter to 4-Wire 485 Devices • RS-485 Star Network With Repeaters • RTS Control • Send Data Control • Using RS-422 to Extend RS-232 Connections • 4W RS485 to Fiber Connections - FOSTCDR • 485OPDR Isolation Between Buildings • 485 Port Power Powered Converter T/S Flow Chart • 485LDRC9 Troubleshooting Illustration • 485OPDRI Switch Illustration FAQ • 232/422 Converter Connections for Extending RS-232? • 485LDRC9 - Extending RS232 Connections • How Can I Check My 2-Wire RS-485 Port or Converter To Verify Operation? • How Can I Check My 4-Wire RS-485 Port or Converter To Verify Operation? • How Can I Check My RS-422 Port or Converter? - Loopback Test • RS-422 Connections • RS-485 Connections • What Terminals are used when connecting the 485LDRC9 for RS-485 or RS-422? • Connections for RS-485 or RS-422 to the 4WSD9OTB or 4WSD25OTB Converters?

RS-232
	Technical Articles • Options for Adding Serial Ports • Tips for Using Port Powered Converters • Automatic Serial Data Collection • Getting From Here to There: Serial Communications Systems • Serial Ports and Windows 95 • System Design With Port Powered Converters • Quick Reference Card - RS-232 DB9/DB25 pinouts/levels ASCII table • COM4 Address Conflicts • Carry a Palm PDA Instead of a Laptop • Create Palm Software to Communicate with Your Serial Devices Illustrations • Using RS-422 to Extend RS-232 Connections • RS-232 DTE/DCE Cables (includes Loopback & DB9/DB25 Connections) • Connector Types (Rear Panel) Desktop FAQ • RS-232 Connections That WORK! - DTE/DCE • How Can I Check My RS-232 Port? - Performing A Loopback Test

Protecting Ports with Isolation and Surge Protection
	Technical Articles • Data Line Isolation Theory • Dataline Surge Protection • Isolation: Your Best Investment for Reliability Illustrations • How Optical Isolation Works • How Surge Protection Works

Ethernet
	Technical Articles • The Serial Revolution: Establishing Global Access to Serial Ports • Managed Ethernet Switches - Key Features for a Powerful Industrial Network • An Introduction to Industrial Ethernet • Ethernet Moves Out of The Office • Merging Ethernet and Serial Technology • Industrial Ethernet Basics • Ethernet Buzzword Guide • 10 Commandments of Industrial Ethernet • Put Serial Ports on Your LAN • A Guide to Ethernet Components and Terminology • Power Over Ethernet (PoE) • Structured Cabling Systems Illustrations • Ethernet Cables - RJ45/Colors & Crossover • Checking for PoE Voltage

Glossary
	• Glossary

Current Loop
	• Current Loop Application Note
	FAQ • How do I connect my Digital Current Loop or RS-232 device to the 232CLDR • How Can I Check My Current Loop Converter To Verify Operation? • How Do I Connect the Current Loop Converter To My Current Loop Device?

USB
	Technical Articles • The USB (Universal Serial Bus) Solution • USB: Adaptable for Industrial Applications? • USB Q&A • Industrial USB - Bridging the Gab

Data Acquisition
	Technical Articles • Understanding Data Acquisition - Data That Matters

Fiber Optics
	• Fiber Optics Information
	• An Overview of Fiber Optic Technology

Software Tools
	• Comtest • Simpterm (for DOS) Visual Basic Demo Source Code (requires VB 6.0) • Visual Basic 6.0 Demo software for model 232DRIO - .zip • Visual Basic 6.0 Demo software for model 232SDA12 - .zip • Visual Basic 6.0 Demo software for model 232SDD16 - .zip • Visual Basic 6.0 Demo software for model 232SPDA - .zip • Visual Basic 6.0 Demo software for model 485SDA12 - .zip • Visual Basic 6.0 Demo software for model 485SDD16 - .zip • Visual Basic 6.0 Demo software for model UD128A8D - .zip Technical Articles • Create Palm Software to Communicate with Your Serial Devices

Wireless
	Technical Articles • Making Wireless Work: Antenna & Cable Selection • 802.11 for Industrial Applications • Stepping up to Wireless? • 802.11 Basics • Wireless Winning Wider Acceptance in Automation - ControlGlobal.com article • Industrial Wireless - Selecting a Wireless Technology • Industrial Wireless Modems Come of Age Illustrations • Wireless Remote Monitoring/Control

Other
	• Parallel Port Explained • Modbus: Using Legacy Code to Solve Modern Challenges • Introduction to Modbus • Newbie's Guide to Industrial PC's • Product Certifications Demystified • Site Map