Example Of Checking Connection - Omron NJ Series Network Connection Manual

6.2. Example of Checking Connection

This document shows an example of a Structured Text (ST) program in which the Controller
executes the connect processing, send/receive processing, and close processing on the RFID
Reader/Writer.
The Controller and RFID Reader/Writer send and receive the message of "GETR TYP FWV
(read the product type and firmware version of the memory data)". The following figure
outlines the operation.
Project file
ST Program
IF .... THEN
..........
ELSE
..........
Specifying Ethernet
communications
Reading the type and firmware
version
Variable
Send data
Local_
setting area
SrcData
Local_
Receive data
RecvData
setting area
6. Ethernet Communications Settings
Controller
Socket
communications
function
Sending/Receiving Ethernet
command
Reading the product type and
firmware version
Ethernet RFID Reader/Writer
Connect processing
Send data
Receive data
Close processing
10