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IM XL100C-E
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App
Index
Overview of the Communication Functions
1.1
Relationship between the Communication
Function and the Ethernet and Serial Interfaces
The XL100 comes standard with an Ethernet interface for connecting a LAN cable and a
serial interface (RS-232/RS-485 and USB). To use the communication function of the
XL100, the Ethernet or serial communication settings must be configured in advance.
The following figure shows the relationship between the communication function of the
XL100 and the Ethernet and serial interfaces.
Application
10BASE-T/100BASE-TX
IP
Serial
communication
control
MODBUS
slave
FTP
server
Maintenance/
Test server
Setting/Measurement
server
XL100 communication function
MODBUS
master
Serial
Lower layer
protocol
Upper layer protocol
Upper interface
Lower interface
Web
server
FTP client
E-mail client
USB
MODBUS protocol
Standard protocol
HTTP
FTP
SMTP
TCP
Ethernet
Login
(User authentication/
access privileges granting)
RS-232/RS-485
To use the communication function of the XL100 via the Ethernet or serial interface,
communications must be performed according to the following protocols* that lie in
between two.
• FTP (File Transfer Protocol)
• TCP (Transmission Control Protocol)
• IP (Internet Protocol)
• HTTP (Hyper Text Transfer Protocol)
• SMTP (Simple Mail Transfer Protocol)
• XL100 standard protocol (dedicated protocol)
To use the serial communication function, select one of the following protocols.
• XL100 standard protocol (dedicated protocol)
• Modbus protocol (slave)
• Modbus protocol (master)
Chapter 1 Overview of the Communication Functions