Communications Commands - Omron V780-Series User Manual

6-2-4

Communications Commands

The following table lists the communications commands. Depending on the communications command
specified by the host device, single-access or multiaccess communications are performed with RF
Tags.
Command name
DATA READ
DATA WRITE
ID READ
ID WRITE
LOCK
DATA FILL
MULTIACCESS ID READ
MULTIACCESS DATA
READ
Precautions for Correct Use
Communications may not be performed correctly for single-access communications commands
if there is more than one RF Tag in the communications range of the Reader/Writer. Use multi-
access communications commands to communicate with more than one RF Tag.
UHF RFID System V780-series Reader/Writer User's Manual (EtherNet/IP
Access
method
Reads data from the memory of the RF Tag in the communica-
Single-access
tions range.
Writes data to the memory of the RF Tag in the communications
Single-access
range.
Reads the UII (EPC code) of the RF Tag in the communications
Single-access
range.
Writes the UII (EPC code) of the RF Tag in the communications
Single-access
range.
Single-access Locks the memory of the RF Tag in the communications range.
Writes the specified data to the specified number of words begin-
Single-access ning from the specified write start address. The specifications are
made in the command.
Reads the UIIs (EPC codes) of multiple RF Tags in the communi-
Multiaccess
cations range.
Reads data from the memory of multiple RF Tags in the communi-
Multiaccess
cations range.
TM
Description
) (Z402)
6 Functions
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