5-6 Communication Command
5-16
5-6-7 ID Read (ID)
Reads a user ID of tag.
Example:Reading user ID of tag
(Single trigger, user ID "1 2 3 4 5 6 7 8")
Sent data: IDSTH1*[CR]
Received data: ID 0 0 0 0 1 2 3 4 5 6 7 8 * [CR]
Communication designation
Specifies how to communicate with a tag. For details, refer to the communication desig-
nation list. The communication designation "st" only is unavailable.
Data designation
Fixed to "H" (hexadecimal code).
Antenna designation
Fixed to "1".
Read data
User ID data read out of a tag.
"00000000" to "3FFFFFFF"
High order 2 bits are fixed to "0" because of system bit.
Correct Usage
Every tag stores its own code. If it needs to be checked only whether there is a tag or not, communication can be done
very fast by this command.
<Command>
Command
code
"ID"
Communication
designation
Data
desig-
nation
Antenna
designa-
tion
<Response>
Command
code
"ID"
Termination
code
Retrans-
mission
flag
Status
flag
Read data
Summary of Contents for V670 Series
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