CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 137

• Manufacturer Part Number: CJ1W-EIP21
• Description: Ethernet I/P Module
• Manufacturer: Omron

Specifications of CJ1W-EIP21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Private and Global Addresses
5-3-3
Conditions for Using
Communications
Applications
Communications
over Internet
Intranet
EtherNet/IP Unit with a Global Address
Communications
in intranet
IP router
Firewall
Global address
Private address
EtherNet/IP Unit: Global address
■
■
Intranet
FINS Communications Service
Explicit Message Communications Service
Communications applications can be used over the Internet under the follow-
ing conditions:
• A device such as a personal computer (a FINS application, including the
• FINS/TCP is recommended as the FINS communications service
• The IP address table method is used as the IP address conversion
• The TCP port number to be used for FINS/TCP cannot be used if prohib-
• A device such as a personal computer (a CIP application including the
IP router
Firewall
CX-Programmer) can connect online and communicate over the Internet
with an EtherNet/IP Unit or built-in EtherNet/IP port that has a global
address.
method.
FINS/TCP is more reliable than FINS/UDP in terms of communications
errors involving IP routers.
method of the EtherNet/IP Unit or built-in EtherNet/IP port.
ited by a firewall in the communications path.
Network Configurator) can connect online and communicate over the
Internet with an EtherNet/IP Unit or built-in EtherNet/IP port that has a
global address.
Ethernet (EtherNet/IP)
PLC
Internet
Ethernet (EtherNet/IP)
FINS/TCP client computer
with CX-Programmer, etc.
or
CIP client computer with
Network Configurator, etc.
Global address
(required)
Private address
Private address
Not output to Internet
Not output to Internet
Section 5-3
109