B&B Electronics RS-232 Digital Relay I/O 232DRIO User Manuals

Table of Contents

• Packing List

  2
• Chapter 1- Introduction

  3
• Opto-Isolated Input

  3
• Relay Outputs

  3
• Power Supply

  3
• Communications

  3
• Environment

  3
• Size

  3
• Chapter 2 - Connections

  5
• Opto-isolated Input

  5
• Relay Outputs

  5
• Ground

  5
• Power Supply Connections

  7
• Chapter 3 - Commands

  9
• I/O Data Bytes

  11
• Set Output Lines Command

  13
• Chapter 4 - I/O Interfacing

  15
• Relay Outputs

  17
• Chapter 5 - Software

  19
• Opening a COM Port

  19
• Closing a COM Port

  19
• QuickBasic

  20
• Read I/O States Command

  20
• Set Output States Command

  20
• C/C++

  21
• Read I/O States Command

  21
• Set Output States Command

  21
• Demonstration Program

  22
• Hard Drive Installation

  22
• Running Demonstration Program

  22