Manuels d'utilisation pour B&B Electronics Switch RS-485

Table des matières

• Chapter 1- Introduction

  1
• FIGURE 1.1 - 485SDA10 UNIT

  1
• Packing List

  2
• DOS

  2
• FIGURE 1.2 - GENERAL BLOCK DIAGRAM

  2
• Windows 3.11

  3
• Windows 9x and Windows NT

  3
• Windows 3.11

  3
• Windows 9x & Windows NT

  3
• FIGURE 1.3 - A/D WITH VARIABLE RESISTOR

  4
• 485SDA10 Specifications

  5
• Analog to Digital Converter

  5
• 5 Volt Reference

  5
• Digital Inputs

  5
• Digital Outputs

  5
• Power Supply

  5
• Communications

  5
• Factory Default Settings

  5
• Chapter 2 - Connections

  6
• A/D Inputs #0-10

  6
• A/D Ref Input +

  6
• A/D Ref Input -

  7
• Analog Ground

  7
• Typical Connections

  7
• FIGURE 2.1 - TYPICAL 0-5V A/D CONNECTION

  7
• Digital Inputs #0-2

  8
• Digital Outputs #0-2

  8
• TABLE 2.1 - 485SDA10 I/O PORT PINOUT

  8
• Digital Ground

  9
• Typical Connections

  9
• FIGURE 2.2 - TYPICAL DIGITAL I/O CONNECTIONS

  9
• TABLE 2.2 - RS-485 TERMINAL BLOCK CONNECTIONS

  10
• Power Supply Connections

  11
• Chapter 3 - Commands

  12
• TABLE 3.1 - 485SDA10 COMMANDS

  12
• Reading A/D Channels Command

  13
• TABLE 3.2 - EQUIVALENT VALUES

  13
• TABLE 3.3 - READ A/D RESPONSE

  14
• TABLE 3.4 - READ DIGITAL I/O RESPONSE FOR OUTPUTS

  15
• TABLE 3.5 - READ DIGITAL I/O RESPONSE FOR INPUTS

  15
• Set Digital Output Command

  16
• TABLE 3.6 - SET DIGITAL OUTPUT DATA BYTE VALUES

  16
• Set Power-up States Command

  17
• Set Turn-around Delay Command

  17
• Read Module Configuration Command

  17
• Chapter 4 - A/D

  19
• Sampling Rate

  19
• A/D Input Range

  19
• Reference Inputs

  19
• Data Range

  20
• Converting Data

  20
• FIGURE 4.1 - A/D CONVERTER DATA RANGE

  20
• Chapter 5 - Software

  22
• Read A/D Command

  22
• Read Digital I/O Command

  23
• Set Digital Output States

  24
• TABLE 5.1 - DIGITAL I/O MASK VALUES

  24
• Set Module Address

  25
• Set Power-up States Command

  26
• Set Turn-around Delay

  27
• Read Module Configuration

  28