CV500ETN01 Omron, CV500ETN01 Datasheet - Page 127
CV500ETN01
Manufacturer Part Number
CV500ETN01
Description
Programmable Logic Controller
Manufacturer
Omron
Datasheet
1.CV500ETN01.pdf
(285 pages)
Specifications of CV500ETN01
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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IP Addresses in FINS Communications
FINS/TCP Communications Method
Pairing in the FINS/TCP
Method
Internal Processing
102
1,2,3...
1,2,3...
Note
With the FINS/TCP method, communications are first established for each
connection, and then remote FINS node addresses are mutually converted.
(See note.) Then FINS message communications are executed. In this way,
remote FINS node addresses and remote IP addresses are paired for each
connection. Therefore, with the FINS/TCP method, there is no need to set IP
address conversions (i.e., pairing FINS node addresses with IP addresses) as
with FINS/UDP. All that is required is to use the CX-Programmer's Unit setup
to set the remote IP address for each connection.
The internal table is changed after connections are established.
The Ethernet Unit executes the following processing when the FINS/TCP
method is used.
Local Device Is FINS/TCP Client
1. Connections are established in TCP/IP protocol with the IP addresses set
2. The remote node (i.e., the server) is notified of the FINS node address for
3. Notification is received from the remote node (i.e., the server) of the re-
4. The Ethernet Unit changes the internal table (FINS node address, IP ad-
5. FINS messages can then be sent and received.
Local Device Is a FINS/TCP Server
1. A request to open a connection is received in TCP/IP protocol from the re-
2. Notification is received from the remote node (i.e., the client) of the remote
3. The local device provides notification of the local FINS node address.
4. The Ethernet Unit changes the internal node correspondence table (FINS
5. FINS messages can then be sent and received.
at the Unit (i.e., the IP address for each connection No.).
the local device.
mote node's FINS node address.
dress, and TCP port number).
mote device (i.e., the client, either a personal computer or an Ethernet
Unit), and the connection is established.
node's FINS node address.
node address, IP address, and TCP port number).
Section 5-2
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