User Guide

Reader Manager Guide Page 21 of 62 40-10-006-DOC 15/09/2006
6.4 Immediate Command
This tool is useful to construct an Immediate command.
To access this tool, select Tools->System->Immediate Command.
Immediate commands are sent to tags after the initial interrogate cycle. These commands can be sent to
specific tags or to groups of tags. A more detailed of description of immediate commands is given in the
Application Programmer’s Guide (40-01-000-DOC).
The tool is shown in Figure 16, the elements are described in Table 9.
Figure 16
Index
Description Index
Description
1
The Command group box is used to select if the
command is a read command or a read and write
command.
10
Click to preview the complete Immediate
Command. No command is sent to the reader.
2 Not used 11 Click this to send the command to the reader.
3
The Reply group box is used to select if the
reply is a Short reply or a Normal reply. Normal
replies contain more detailed information about
the tag being read.
12
Select the channel on which the reply will be
received.
4
Enter the start address being read from the tag.
This field accepts a single word decimal value.
13
Enter the command number sent with the
Immediate command. This value is returned in
the Timestamp field of the reply. This field
accepts a single word hexadecimal value.
5
Enter the number of words to read. This field
accepts a single word decimal value
14
Enter the Specific ID of the tag being read from
or written to. Leaving this field blank means all
tags will respond to the command. This field
accepts a two word hexadecimal value. This is
useful to read or write to a single tag in a stack of
tags.
1
2
3
4 5
6
7
8
9
10 11
12
13
14
15
16
17