Section 7 Modbus Communications Protocol
Section 7
Host Communications Specifications
155
RFID System
User's Manual
(Modbus TCP)
Query Tables
RF Tag Communications
Reader/Writer Settings
Name Description Page
READ DATA Reads data from an RF Tag in the communications field. p.160
WRITE DATA Writes data to an RF Tag in the communications field. p.161
READ ID Reads the ID code from an RF Tag in the communications field. p.162
COPY DATA Uses two Reader/Writers to copy data from the memory of an RF Tag in the
communications field of one Reader/Writer (A) to the memory of the RF Tag in
the communications field of another Reader/Writer (B).
p.163
DATA FILL Writes the specified data to the specified number of words beginning from the
specified start address. The specifications are made in the query.
p.165
LOCK This query locks the specified memory in the RF Tag.
It will no longer be possible to write data to the locked memory. The lock
cannot be released.
p.166
RF TAG OVERWRITE COUNT
CONTROL
Used to manage the number of times data is written to an RF Tag. You can
use this query for RF Tags with EEPROM memory.
p.167
RESTORE DATA This query reads the restore information from the Reader/Writer. p.168
Name Description Page
SET TAG COMMUNICATIONS
OPTION
Sets the communications option of the Reader/Writer to Once, Auto, or FIFO
Trigger.
p.169
GET TAG COMMUNICATIONS
OPTION
Reads the communications option of the Reader/Writer (Once, Auto, or FIFO
Trigger).
p.170
SET TAG COMMUNICATIONS
CONDITIONS
Sets the conditions for Reader/Writer communications with RF Tags (high
speed/normal speed and write verification).
p.171
GET TAG COMMUNICATIONS
CONDITIONS
Reads the conditions that are set in the Reader/Writer for communications
with RF Tags (high speed/normal speed and write verification).
p.172
SET TCP/IP COMMUNICATIONS
CONDITIONS
Sets TCP/IP communications.
p.173
GET TCP/IP COMMUNICATIONS
CONDITIONS
Reads the TCP/IP information that is set in the Reader/Writer.
p.174
SET DEVICE NAME Sets a name for the Reader/Writer. p.175
GET DEVICE NAME Reads the name that is set in the Reader/Writer. p.176
SET WEB COMMUNICATIONS
CONDITIONS
This query sets the TCP/IP communications conditions of the Reader/Writer.
p.177
GET WEB COMMUNICATIONS
CONDITIONS
This query reads the WEB information that is set in the Reader/Writer.
p.178
SET WEB PASSWORD Sets a password for accessing the Reader/Writer from a Web browser. p.179
GET WEB PASSWORD Reads the Web server password that is set in the Reader/Writer. p.180
INITIALIZE SETTINGS Returns all of the setting information in the Reader/Writer to the default status. p.181
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