User's Manual

5-2 Control Procedures for Each Communication

5-2

5-16

5-2-4-2 I.CODE1Moed

After allocating the Temporary numbers to the Tags in the communication area using Tag

Detection Command, the Reader/Writer communicates with the Tags based on the allocated

numbers. The Tag code must be specified as command data according to the numbers of the

Tags present in the communication area. For Tag number specifications, refer to SECTION 5-

2-5.

1. Numbers are allocated to the Tags by Tag Detection Command.

 Tag Detection Command, the state enters the Select State, where the mapping of the

Tags in the antenna communication area and their Temporary numbers are stored. In

Select State, all the commands are rejected except the Tag Designation Command.

The

Select State is valid until Stop Command (ST) has been executed.

2. After allocating the numbers to the Tags, the Reader/Writer communicates with the

specified Tag (No.2 in the figure below) using Tag Designation Command.

The ReaderWriter communicates with the Tag specified by the Temporary number. It can

communicate with the Tags repeatedly in the Select State.

Tag Detection Command/Tag Designation Command

For Tag Detection Command, specify LT as the communication method of the command. For Tag Designation

Command, specify 00 to 7F as the communication method of the command. (To specify the Tag with Temporary

number 1, specify 01).