Omron V680-CA5D01-V2 User Manual page 131

SECTION 5
Communications
READ ID
Reads the Tag's ID code.
1:1 Protocol
Command
Communi-
cations
Command
designation
code
×
I D
2
Communications designa-
tion
Data designation
Antenna designation
Response
Command
End code
code
I D 0
2
UID
1:N Protocol
Command
Controller No.
×
@ 0
1 1
Communications designa-
tion
Data designation
Antenna designation
Response
Controller No.
×
@ 0
1 1
UID
The ID code is written in the memory of the Tag and may be affected by data retention characteristics at high tempera-
tures. Take suitable precautions when using the READ ID command for Tags operating at high temperatures.
RFID System
128
User's Manual
Antenna designation
Data
desig-
nation Terminator
× *
H 1/2 CR
2 1 1 2
Specifies the method of communications with the Tag.
The selective communications designation (SL) cannot be used.
Refer to Communications Designation Function for details on the communications designation.
p. 103
"H": This designation is fixed.
Specifies the Antenna with which to communicate.
"1": Antenna 1
"2": Antenna 2
Antenna
Resend flag
designa-
tion UID
...
× × × ×
0 0
2 1 1 0 or 16
A unique identifier used to identify Tags.
Note: Not added when an error is generated.
Commu- Antenna designation
Data
nications
desig-
Command designa-
nation
code
tion
× × ×
H 1/2
I D
2 2 2 1 1
Specifies the method of communications with the Tag.
The selective communications designation (SL) cannot be used.
Refer to Communications Designation Function for details on the communications designation.
p. 103
"H": This designation is fixed.
Specifies the Antenna with which to communicate.
"1": Antenna 1
"2": Antenna 2
Antenna
Resend flag
desig-
Command
End code nation
code
× ×
I D 0 0 0
2 2 2 1 1
A unique identifier used to identify Tags.
Note: Not added when an error is generated.
Terminator
*
×
CR
2
FCS Terminator
× × *
CR
2
2
UID FCS Terminator
× × ... × × × ×
0 or 16 2
*
CR
2