6. Ethernet Communications Settings
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.
Controller
Ethernet
RFID
Reader/Writer
Project file
Local_
SrcData
Variable
Local_
RecvData
Send data
setting area
Receive data
setting area
Socket
communications
function
Receive data
Connect processing
Close processing
Send data
ST Program
IF …. THEN
……….
ELSE
……….
Sending/Receiving Ethernet
command
Reading the product type and
firmware version
Specifying Ethernet
communications
Reading the type and firmware
version
10
Summary of Contents for V750 series
Page 51: ...9 Program 2 Initialization processing 48...
Page 52: ...9 Program 49...
Page 53: ...9 Program 3 Connect processing 50...
Page 54: ...9 Program 4 Send processing 51...
Page 55: ...9 Program 5 Receive processing 52...
Page 56: ...9 Program 53...
Page 57: ...9 Program 6 Close processing 54...
Page 58: ...9 Program 7 Processing number error process 55...
Page 60: ...9 Program Program 57...
Page 62: ...9 Program Program 59...
Page 64: ...9 Program Program 61...
Page 78: ...2013 0911 P543 E1 01...