Omron V680-CA5D01-V2 User Manual page 135

SECTION 5
Communications
1:N Protocol
Command
Controller No.
× ×
@ 0
2
1 1
Communications designa-
tion
Data designation
Antenna designation
UID
Read area start address
No. of bytes to copy
Destination start address
The communications designation for the Antenna that reads data is always "single auto" (SA). The communications
designation specified in the command is used for the Antenna that writes data.
For a communications designation that specifies repeating, data writing will be repeated for other Tags after data is writ-
ten to the first Tag.
Response
Controller No.
×
@ 0
2
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
132
User's Manual
Antenna
designation
Communi-
Data
cations desig-
Command
designation
nation
code
× × ×
A P H 1/2
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
Always "H".
Specifies the Antenna with which to communicate.
"1": Reads from Antenna 1 and writes to Antenna 2.
"2": Reads from Antenna 2 and writes to Antenna 1.
A unique identifier used to identify Tags.
Only in the case of the selective communications designation (SL), the UID of the Tag that is
being written to is added to the data.
Specifies the start address of the area in the Tag from which data is to be read from in 4-digit
hexadecimal.
Setting range: 0000
Specifies the number of bytes of data to copy in 4-digit hexadecimal.
Setting range: 0001
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
Antenna
Resend flag
desig-
Command
End code nation
code
× × × × ×
A P 0
2 2 1 1
A unique identifier used to identify Tags.
In the case of multi-access communications designations (MT/MR), the UID of the Tag that is
being written to is added to the data.
Read area start
UID
address
× ... × × × × × ×
0 or 16 4
to FFFF
H H
to 0800
H H
to FFFF
H H
UID FCS
Terminator
...
× × × × × *
CR
0 or 16 2 2
Destination start
No. of bytes to copy
address
× × × × × × × ×
4 4
FCS
Terminator
× × *
CR
2 2