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All other registered names used throughout this publication are trademarks of their respective owners. Neither the whole nor any part of the information contained in this publication may be reproduced in any material form except with the prior written permission of Adcon Telemetry. This publication is intended only to assist the reader in the use of the product. Adcon Telemetry shall not be liable for any loss or damage arising from the use of any information in this publication, or any error or omission in such information, or any incorrect use of the product. Document Release 2.0, August 2000 Copyright ©1999-2004 by Adcon Telemetry GmbH. All rights reserved. Contents Contents ______________________________________________3 Chapter 1. Introduction _________________________________5 What are addIT devices? _________________________________ 5 Installation issues _______________________________________ 6 Conventions____________________________________________ 7 Chapter 2. Using the Base Station _______________________9 Opening the packages___________________________________ 9 Installing the base station _______________________________10 Installing the receiver ________________________________10 Installing the power supply ___________________________11 Replacing the fuse___________________________________12 Configuring the software _____________________________12 Chapter 3. Using the RTU ______________________________13 Opening the packages__________________________________13 Contents Installing the RTU _____________________________________ 14 More about the LED tool ____________________________ 16 Configuring an addIT RTU in the addVANTAGE software 17 Maintaining and servicing the RTU_______________________ 17 The RTU battery ____________________________________ 17 Changing the battery _______________________________ 18 Chapter 4. Performing Advanced Functions_____________ 21 Device series _________________________________________ 22 Understanding connectors______________________________ 22 The receiver connector ______________________________ 22 The RTU connectors ________________________________ 23 Configuring the devices ________________________________ 24 Serial communication protocol __________________________ 25 General format of a command _______________________ 25 General format of an answer _________________________ 25 Using terminal commands ______________________________ 26 Series 1 devices ____________________________________ 26 The SET series of commands ______________________ 26 Querying the actual configuration parameters _______ 29 Series 2 and 3 devices ______________________________ 30 Notifications __________________________________________ 53 Returned errors list ____________________________________ 54 Command line interpreter ___________________________ 54 Device descriptors and storage handler _______________ 54 Real time clock _____________________________________ 54 Radio interface _____________________________________ 54 Notifications _______________________________________ 55 Appendix. Specifications ______________________________ 57 Index ________________________________________________ 61 Credits and Colophon_________________________________ 65 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. CHAPTER 1 Introduction The addIT A720/A723 RTU can be used in one of the following ways: • Installed in the vicinity of an Adcon remote measuring station (A730MD), the addIT RTU can use the A730MD station to relay its data to a base station (A730SD or A840). If the base station is close enough to the addIT RTU, the RTU can communicate directly with the base station. • As a standalone device, the addIT RTU communicates directly with the addIT base station (A720B). The addIT A720B base station works with up to three addIT RTUs, storing the data it receives until you download it to your computer. Installation issues The following restrictions apply: • In general, the maximum “line-of sight” distance an addIT RTU can communicate is 800 m (approximately half a...

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