Omron V680-CA5D01-V2 User Manual page 143

SECTION 5
Communications
Communications Subcommands
Communications subcommands are used in combination with commands for Tag communications.
They cannot be used by themselves to communicate with a Tag.
POLLING QUERY (PC)
1:1 Protocol
Command
Command
code
C/E
P C
2 1
Query/cancel designation
Antenna designation
Response When a Processing Results Query Is Executed after Tag Communications
The ID Controller returns a response according to the specifications of the polling command that was
executed.
Response When a Processing Results Query Is Executed before Tag Communications
Response
Command
code End code
@ @ 0
2 2
Command code
Response When Cancelling Processing Results
Response
Command
End code
code
@ @
2
Command code
Processing cancel timing
Response for a Processing Results Query for an Antenna That Is Not Executing Polling Processing
Response
Command
End code
code
1
P C
2
RFID System
140
User's Manual
Query/cancel designation
Antenna designation
Terminator
*
1/2 CR
1 2
Specifies querying or canceling polling auto processing.
"C": Processing results query
"E": Processing cancelled.
Specifies the Antenna with which to communicate.
"1": Antenna 1
"2": Antenna 2
Antenna
Resend flag
desig-
Terminator
nation
×
*
2 0 CR
1 1 2
The command code is the same as the only specified when polling processing was executed.
Resend flag
Antenna
desig- Processing
nation cancel timing
Terminator
×
×
0 0 0 0
2 1 1 2
The command code is the same as the only specified when polling processing was executed.
Indicates the timing when polling processing was cancelled.
"00": There was no Tag in the communications area when polling processing was cancelled.
"01": Communications were in progress with the Tag or processing had been completed when
polling processing was cancelled.
Antenna
Resend flag
desig-
nation
Terminator
× *
5 CR
0
2 1 1 2
*
CR
2