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SECTION 5
V680 Commands
RFID System
User’s Manual
SECTION 5
Communications
1:N Protocol
Note: When using the multi-access trigger communications designation (MT), the ID controller returns
an end code of 03 after communicating with all Tags.
Communications
designation
Specifies the method of communications with the Tag.
Refer to Communications Designation Function for details on the communications designation.
p. 103
Data designation Specifies the code format when sending the Tag write data.
“A”: ASCII
“H”: Hexadecimal
Antenna designation Specifies the Antenna with which to communicate.
“1”: Antenna 1
“2”: Antenna 2
UID A unique identifier used to identify Tags.
Added only for the selective communications designation (SL).
Write area start address Specifies the start address of the area in the Tag to which data is to be written in 4-digit hexadec-
imal.
Setting range: 0000
H to FFFFH
No. of bytes to write Specifies the number of bytes of data to write to the Tag in 4-digit hexadecimal.
Setting range: 000
H, 0001H to 0800H (When 0000H is specified: Writes up to the end address.)
UID A unique identifier used to identify Tags.
Added only for multi-access communications designations (MT/MR).
Command
Terminator
Controller No.
Designated data
No. of bytes to write
Command
code
Data
desig-
nation
Antenna designation
Write area start address
Communi-
cations
designation
××
DF
××
A/H
××
211 4
1/2
××
2
××
4
2
×
@ ×
0
11
2
* CR
××
××
2 or 4
×
2
FCS
×
××
UID
××
0 or 16
...
Response
Command
code
Terminator
End code
Antenna
desig-
nation
Resend flag
Controller No.
DF
00
22
2
* CR
0×
11
2
×
@ ×
0
11
×
2
FCS
×
××
UID
××
0 or 16
...
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