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SECTION 5
V680 Commands
RFID System
User’s Manual
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
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 When Cancelling Processing Results
Response for a Processing Results Query for an Antenna That Is Not Executing Polling Processing
Query/cancel designation Specifies querying or canceling polling auto processing.
“C”: Processing results query
“E”: Processing cancelled.
Antenna designation Specifies the Antenna with which to communicate.
“1”: Antenna 1
“2”: Antenna 2
Command code The command code is the same as the only specified when polling processing was executed.
Command code The command code is the same as the only specified when polling processing was executed.
Processing cancel timing 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.
Command
code
PC
C/E 1/2
2
2
* CR
Terminator
Query/cancel designation
Antenna designation
11
Command
@@
02
22
2
* CR
0
11
Command
code
Terminator
End code
Antenna
desig-
nation
Resend flag
×
Response
@@
00
22
2
* CR
0
11
2
0
Command
code
Terminator End code
Antenna
desig-
nation
Resend flag
×
Processing
cancel timing
×
Response
PC
15
22
2
* CR
0
11
Command
code
Terminator
End code
Antenna
desig-
nation
Resend flag
×
Response
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