Omron SYSMAC CS1W-ETN21 Operation Manual page 32

Ethernet Unit Function Guide
Reference
Exchanging Large Files between a Personal Computer and PLC
Operation
Reference
Creating an Original Communications Procedure Using TCP/IP (UDP/IP) for the Host
Application or Communicating with PLCs from Another Manufacturer
Operation
Reference
Mail software
Sending e-mail
IP router
Firewall
Router
Writing command
File attachment enabled
Receiving e-mail
Receiving e-mail at the PLC
SECTION 3 Mail Receive Function in the Operation Manual Construction of
Applications
Use the FTP server function.
The FTP server function makes it possible to log in to the Ethernet Unit from a
computer (FTP client) as required, and to specify folders and files to be trans-
ferred. The following items can be used as PLC File Memory.
• A Memory Card (mounted to the CPU Unit)
• EM File Memory (The portion of the EM Area in the CPU Unit's I/O mem-
ory used by the CX-Programmer as File Memory)
SECTION 4 FTP Server Function in the Operation Manual Construction of
Applications
Using the socket services function, create a communications application in
the ladder program.
With the socket services function, TCP/IP or UDP/IP can be used directly to
receive data. Use the socket services to create applications based on manip-
ulating control bits or the CMND(490) instruction.
SECTION 4 Socket Service Function in the Operation Manual Construction of
Applications
Internet
Intranet
(Server room) (Office floor)
DNS server
POP3 server
SMTP server
SNTP server
Ethernet
Router
(Production line)
Writing command
File attachment enabled
Ethernet
Ethernet Unit
Section 1-1
Mail software
Sending e-mail
Ethernet
7