Omron V680-CA1D, Руководство пользователя

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Heat-resistive RFID System
User's Manual
Section 4
Reading from/Writing to Tags
Tag Operation and Command Status
Communications Control Procedure
(1) The first right to send is held by the host device, and is transferred to the Controller after a com-
mand is sent.
(2) When a response is returned from the Controller, the right to send is transferred back to the host
device.
(3) The right to send is transferred by using a carriage return (CR).
• Explanation
(1) The host device sends a command to the Controller.
(2) The Controller analyzes the command from the host device, transmits the command and writes
data to or reads data from the memory in the Tag.
(3) For read commands, the read data and response is sent to the host device. For write commands, a
response indicating that processing is completed is sent to the host device.
Communications
Controller
Read/Write Antenna Tag
Communication between
the Read/Write Antenna and Tag
Command
Response
Host device
(1)
(3)
(2)