159
RFID System
User’s Manual
SECTION 5
V680 Commands
SECTION 5
Communications
RESPONSE RESEND (RR)
The RESPONSE RESEND command causes the ID Controller to resend the most recent response.
The RESPONSE RESEND command cannot be used to reset a response for the LARGE READ (ER) command.
1:1 Protocol
When There Was an Immediately Preceding Response
The ID Controller resends the most recent response, but sets the Resend Flag to “1”. The response
formats are the same as for the individual commands.
When There Was No Immediately Preceding Response
1:N Protocol
When There Was an Immediately Preceding Response
The ID Controller resends the most recent response, but sets the Resend Flag to “1”.
The response formats are the same as for the individual commands.
When There Was No Immediately Preceding Response
Command
RR
2
2
* CR
Command
code
Terminator
Response
RR
22
2
* CR
0
1
0
1
Command
code
Terminator End code
Resend flag
Fixed
value
×
×
Command
RR
2
2
* CR
@
2
0
11
FCS
2
Command
code
Terminator
Controller No.
××
×
×
Response
RR
22
2
*
CR
0
1
0
1
@
2
0
11
2
FCS
Command
code
Terminator End code
Resend flag
Controller No.
×
Fixed
value
×
×
×
×
×
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