Adcom A720, A723 Chapter 1. Introduction

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Chapter 1. Introduction

This manual explains the hardware aspects of Adcon’s addIT™

A72xx series, including installation issues and certain parameter

conﬁgurations. The manual is divided into these chapters:

• "Introduction," which gives some general information and

document conventions.

• "Using the Base Station," which details the installation and

use of the receiving unit.

•"Using the RTU," which details the installation and use of the

remote telemetry unit.

• "Performing Advanced Functions," which discusses technical

information for the advanced user.

What are addIT devices?

Adcon’s addIT devices (A720, A723 and A720B) are uniquely

suited to your remote measuring needs. The A720 and A723

devices are remote telemetry units (RTU) that can be used with

Adcon and other compatible sensors to track those parameters

important to you. And the A720B device, in conjunction with your

computer, is a base station that offers many ways for you to view

and manipulate the data received from the RTUs.

Contents

Main ADCON TELEMETRY Contents Page Chapter 1. Introduction What are addIT devices? Installation issues Conventions Page Chapter 2. Using the Base Station Opening the packages Installing the base station Installing the receiver Installing the power supply Replacing the fuse Conguring the software Chapter 3. Using the RTU Opening the packages Installing the RTU Page More about the LED tool Conguring an addIT RTU in the addVANTAGE software Maintaining and servicing the RTU The RTU battery Changing the battery Page Page Chapter 4. Performing Advanced Functions Device series Understanding connectors The receiver connector The RTU connectors Conguring the devices Serial communication protocol General format of a command General format of an answer Using terminal commands Series 1 devices The SET series of commands Page Page Querying the actual conguration parameters Series 2 and 3 devices Page Page Page Page Page Page Page Page CHAPTER 4 Using terminal commands Figure 10. Frame 39 description Figure 11. The Digibyte for an A720 device Figure 12. The Digibyte for an A723 device Page Page Page Page Page Sampling methods are dened by three bits, as follows: Page Page Page Page Page Page Page Notications Returned errors list Command line interpreter Device descriptors and storage handler Real time clock Radio interface Page Page Appendix. Specications Page Page Page Index A B C D E F I L M N O P Q Page Credits and Colophon Credits Colophon