Omron V680-CA5D01-V2 User Manual page 129

SECTION 5
Communications
1:N Protocol
Command
Controller No.
×
@ 0
1 1 2
Communications
designation
Process designation
Antenna designation
UID
Check block start address
No. of check block bytes
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.
End code
UID
Refer to Tag Memory Error Correction for details on memory checks.
RFID System
126
User's Manual
Antenna
designation
Communi- Process
Command
cations design-
code
designation ation
× × ×
M D C/K 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
Specifies the check process.
"C": Check code verification
"K": Check code calculation
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 check block in 4-digit hexadecimal.
Setting range: 0000
Specifies the number of bytes in the check block in 2-digit hexadecimal.
Setting range: 00
Specify the number of bytes in the check code calculation area plus two for the number of check
block bytes.
Refer to Tag Memory Error Correction for details.
p. 94
Antenna
Resend flag
desig-
Command
nation
code End code
× ×
× ×
M D 0
2 2 1 1
2
Indicates the execution result for the command.
00: Normal end, Data normal (only when verification is performed)
76: Data error warning (only when verification is performed)
Refer to List of End Codes for information on other end codes.
p.171
A unique identifier used to identify Tags.
Added only for multi-access communications designations (MT/MR).
p. 94
Check block
UID
start address
× × ... × × × ×
0 or 16 4
to FFFD
H H
, 03 to FF (Specify 00H for 256 bytes.)
H H H
UID FCS
Terminator
... × ×
× × × ×
0 or 16 2
No. of check
FCS Terminator
block bytes
× × × × × × *
C R
2 2 2
*
CR
2