
51
Electromagnetic Inductive RFID System
User's Manual
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Communic
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SECTION 4
Commands
ID Read (ID)
Reads the Tag’s user ID.
Example: Reading Tag User ID (Single Auto, User ID: “12345678”)
Send data:
IDSAH1
*
[CR]
Receive data: ID000012345678
*
[CR]
All Tags store their own unique ID. The ID Read command can be used for very fast communications if all that is
required is to detect whether or not there is a Tag in the communications area.
Communications
designation
Specifies the method for communicating with a Tag.
Refer to
for details.
Data designation
Always “H” (hexadecimal).
Antenna designation
Always “1”.
Read data
User ID data read from a Tag.
00000000 to 3FFFFFFF
The leftmost 2 bits are system bits and are always 0.
2
2
1
1
2
㧖
CR
Command
code "ID"
Data
desig-
na-
tion
Antenna
designa-
tion
Communica-
tions desig-
nation
Command
2
2
1
1
2
㧖
CR
Command
code "RD"
Retry
flag
Status
flag
End code
"00"
Specified number of bytes
Read data
Response
Summary of Contents for V670-CF01
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