Omron V680-CA5D01-V2 User Manual page 125

SECTION 5
Communications
1:N Protocol
Command
Controller No.
×
@ 0
1 1
Communications
designation
Data designation
Antenna designation
UID
Write area start address
No. of bytes to write
Response
Controller No.
×
@ 0
1 1
Note: When using the multi-access trigger communications designation (MT), the ID controller returns
an end code of 03 after communicating with all Tags.
UID
RFID System
122
User's Manual
Antenna designation
Communi- Data
cations desig-
Command
code designation nation
× × ×
D F A/H 1/2
2 2 2 1 1
Specifies the method of communications with the Tag.
Refer to Communications Designation Function for details on the communications designation.
p. 103
Specifies the code format when sending the Tag write data.
"A": ASCII
"H": Hexadecimal
Specifies the Antenna with which to communicate.
"1": Antenna 1
"2": Antenna 2
A unique identifier used to identify Tags.
Added only for the selective communications designation (SL).
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
Specifies the number of bytes of data to write to the Tag in 4-digit hexadecimal.
Setting range: 000
Antenna
Resend flag
Command desig-
End code
code nation
× ×
D F 0 0 0
2 2 2 1 1
A unique identifier used to identify Tags.
Added only for multi-access communications designations (MT/MR).
Write area start address
UID
...
× × × × × ×
0 or 16 4
to FFFF
H H
, 0001 to 0800 (When 0000
H H H H
UID FCS
Terminator
× × ... × × × ×
0 or 16 2
No. of bytes to write
× × × × × ×
4
FCS Terminator
Designated data
× ×
× × × × *
2 or 4 2
is specified: Writes up to the end address.)
*
CR
2
CR
2