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RFID System
User’s Manual
SECTION 5
V680 Commands
SECTION 5
Communications
List of Commands
Commands can be classified into five major types.
Commands for Tag Communications
The following commands are used to communicate with Tags.
Communications Subcommands
The following commands are used to cancel command execution.
Command
code
Name
Process
designation
Description Page
RD READ A/H Reads up to 2 KB of data from a Tag. p. 116
WT WRITE A/H Writes up to 2 KB of data to the memory of a Tag. p. 118
DF DATA FILL A/H Writes the specified data to the specified number of bytes beginning
from the specified start address.
p. 120
MD DATA CHECK C/K Checks the memory check code in the Tag. p. 125
OVERWRITE
COUNT CONTROL
S/L Used to manage the number of times data is written to a Tag. p. 123
RP WRITE REPEAT - Executes the most recently executed write command again. p. 127
ID READ ID H Reads the Tag's ID code. p. 128
CP COPY H Reads data from the memory of a Tag using one Antenna and writes
it to the memory of the Tag in the other Antenna's communications
area.
p. 129
AP AUTO COPY H Waits for Tags to approach and then reads data from the memory of a
Tag using one Antenna and writes it to the memory of the Tag in the
other Antenna's communications area.
p. 131
ER LARGE READ A/H Reads up to 8 KB of data from a Tag. p. 133
QR READ TAG MEM-
ORY ERROR COR-
RECTION
A/H Reads data from the memory of a Tag.
Also checks the memory check code in the Tag to determine the
accuracy of the data.
p. 136
QW WRITE TAG MEM-
ORY ERROR COR-
RECTION
A/H Writes data to the memory of the Tag. Also writes the memory check
code for the data reliability inspection to the memory of the Tag.
p. 138
Command
code
Name
Process
designation
Description Page
PC POLLING QUERY C/E Queries or cancels polling processing. p. 140
AA COMMAND PRO-
CESSING TERMI-
NATE
- Forcefully ends communications with a Tag. p. 142
XZ ABORT - Resets the ID Controller to the status entered immediately after turn-
ing ON the power supply. The ID Controller does not send a response.
Do not use the ABORT command while the ID Controller is communi-
cating with a Tag.
p. 143
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