T
ABLE OF
C
ONTENTS
R
EADER
I
NTERFACE
G
UIDE
D
OC
. C
ONTROL
# 8101938-000 R
EV
05
i
Alien Technology
®
Reader Interface Guide
All Fixed Readers
July 12, 2005
Table of Contents
CHAPTER 1 INTRODUCTION AND READER SETUP............................................................................... 1
Audience ....................................................................................................................................................... 1
Type Conventions ......................................................................................................................................... 1
Requirements................................................................................................................................................ 2
Communicating with the Reader................................................................................................................... 3
Serial Communication ................................................................................................................................... 3
Serial Configuration ................................................................................................................................ 3
Network Communication ............................................................................................................................... 6
Determine the Reader's Network Settings ............................................................................................. 6
ALR-9800 and ALR-9770................................................................................................................. 6
All Other Readers............................................................................................................................. 6
Connecting via TCP/IP ........................................................................................................................... 6
TCP/IP Configuration.............................................................................................................................. 7
CHAPTER 2 READER FUNDAMENTALS ..................................................................................................9
Introduction ................................................................................................................................................... 9
Reader Discovery and the Reader Heartbeat............................................................................................... 9
DHCP and Automatic Discovery............................................................................................................. 9
Serial Interrogation ............................................................................................................................... 10
Network Heartbeats.............................................................................................................................. 10
Heartbeat XML Tags ...................................................................................................................... 11
Heartbeats and Software ............................................................................................................... 11
TagList Concepts ........................................................................................................................................ 11
PersistTime........................................................................................................................................... 12
Tag Details............................................................................................................................................ 12
TagList Size .......................................................................................................................................... 12
Reading Tags over the Network ................................................................................................................. 12
Interactive Mode.......................................................................................................................................... 13
Autonomous Mode ...................................................................................................................................... 13
A Note about AutoMode on the ALR-9770 .................................................................................... 14
Defining the Autonomous Read Operation........................................................................................... 14
Enter Autonomous Mode
(Not shown on the state diagram.)....................................................... 15
Waiting State.................................................................................................................................. 15
Start Working Trigger ..................................................................................................................... 15
Working State................................................................................................................................. 15
Stop Working Trigger/Timer........................................................................................................... 16
Evaluation ...................................................................................................................................... 16
True/False Pause........................................................................................................................... 16
Notification ..................................................................................................................................... 16
Autonomous Mode Examples............................................................................................................... 16
Example 1 - Background Reading .................................................................................................16
Example 2 - Triggered Reading ..................................................................................................... 17
Example 3 - Triggered Reading with Notification........................................................................... 17
Notification Mode ........................................................................................................................................ 17
Summary of Contents for ALR-8780
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