User`s manual

74
Section 3
V600 Commands
RFID System
User's Manual
Section 3
Commands
Command and Response Formats
The formats of commands sent from the host device to the Hand-held Reader Writer and responses
returned from the Hand-held Reader Writer to the host device are described below.
The command and response both consist of a single frame. The frame (including the terminator)
consists of up to, 2,114 characters.
Command Frame
Response Frame
Note: Other than the above items, the same data as the command frame is returned in the response.
Name Description
Command code Contains the two-character code (see page 75) that indicates the command.
Data Contains the data for the command.
Data setting, processing specification
Start address
Write data, number of bytes to be written
Number of read bytes
Number of calculation area bytes, calculation data
Number of check block bytes, decrement count
Specified data
Message data
Parameter data
Baud rate, data length, parity, and stop bits specification
Auto command OFF specification
Settings for the TR command, settings for the FN command, and system setting data.
Terminator Indicates end of command/response.
Name Description
End code Indicates the execution result for the command.
For information on end codes, refer to End Codes.
p.69
Fixed value Always 1.
Resend flag Always 0.
Data Contains the data for the response.
Read data
•UID
Processing terminate timing
Calculation data
Message data
Parameter data
Model information
××
×
2
2
CR
×
…×
n
×
1 frame (maximum frame length: 2,114 characters)
Command
code
Data Terminator
××
×
2
2
CR
×
…×
n
×
××
2
Command
code
Data
Terminator
End code