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Section 7 Modbus Communications Protocol
RFID System
User's Manual
(Modbus TCP)
Section 7
Host Communications Specifications
Checking Reader/Writer Information
Controlling Reader/Writer Operation
RFID System Maintenance
Multi-Reader/Writer Functions
Name Description Page
MEASURE NOISE Measures the noise level around the Reader/Writer. p.192
GET DEVICE INFORMATION Reads the model number from the Reader/Writer. p.193
GET FIRMWARE VERSION Reads the firmware version from the Reader/Writer. p.194
GET MAC ADDRESS Reads the MAC address from the Reader/Writer. p.195
GET Reader/Writer OPERATING
STATUS
Reads the operating status from the Reader/Writer.
p.196
GET OPERATING TIME Reads the operating time from when the power supply to the Reader/Writer
was turned ON.
p.197
GET RECENT ERROR QUERY
INFORMATION
Reads the recent error information from the Reader/Writer.
p.198
GET COMMUNICATIONS ERROR
LOG
Reads the log of communications errors that have occurred in the Reader/
Writer.
p.200
GET SYSTEM ERROR LOG Reads the log of system errors (fatal errors) that have occurred in the Reader/
Writer.
p.202
GET RESTORE INFORMATION This query reads the restore information from the Reader/Writer. p.203
Name Description Page
STOP Stops Reader/Writer operation. p.204
RESET Resets the Reader/Writer. p.207
Name Description Page
SET COMMUNICATION
DIAGNOSTIC
Sets communication diagnostic.
p.204
GET COMMUNICATION
DIAGNOSTIC SETTING
Gets the communication diagnostic setting.
p.207
Name Description Page
SET MULTI-READER/WRITER
SETTINGS
Enables and disables the Multi-Reader/Writer functions. When the Multi-
Reader/Writer functions are enabled, the number of Slave Reader/Writers and
their IP addresses are set.
p.212
GET MULTI-READER/WRITER
SETTINGS
Reads the setting of the Multi-Reader/Writer functions.
p.214
GET MULTI-READER/WRITER
STATUS
Reads the Master Reader/Writer and Slave Reader/Writer status when the
Multi-Reader/Writer functions are being used.
p.215