CV500ETN01 Omron, CV500ETN01 Datasheet - Page 140
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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6-1-3
Overview of FINS Communications
Number of nodes
Message length
Number of buffers
Protocol name
Protocol used
Number of connections ---
Port number
Protection
Other
Internal table
Item
FINS Communications Service Specifications for Ethernet
254
2,012 bytes max.
192
FINS/UDP method
UDP/IP
The selection of UDP/IP or TCP/IP is made by means of the FINS/TCP Tab in the CX-Pro-
grammer's Unit Setup.
9600 (default)
Can be changed.
No
Items set for each UDP
port
• Broadcast
• IP address conversion
This a table of correspondences for remote FINS node addresses, remote IP addresses, TCP/
UDP, and remote port numbers. It is created automatically when power is turned ON to the
PLC or when the Ethernet Unit is restarted, and it is automatically changed when a connection
is established by means of the FINS/TCP method or when a FINS command received.
The following functions are enabled by using this table.
• IP address conversion using the FINS/UDP method
• Automatic FINS node address conversion after a connection is established using the FINS/
• Automatic client FINS node address allocation using the FINS/TCP method
• Simultaneous connection of multiple FINS applications
TCP method
• When FINS nodes are connected on the same Ethernet segment:
• When FINS nodes are connected over multiple IP network layers:
• When the quality of connections is unreliable, as with wireless LAN:
Use the FINS/UDP method between those nodes.
Note FINS/UDP offers a slight advantage in performance.
Use the FINS/TCP method between those nodes.
Note FINS/TCP offers superior communications quality.
Use the FINS/TCP method between those nodes.
Note FINS/TCP offers superior communications quality.
FINS/TCP method
TCP/IP
16
9600 (default)
Can be changed.
Yes (Specification of client IP addresses when Unit is used as a
server)
Items set for each connection
• Server/client specification
• Remote IP address specification
• Automatic FINS node address allocation:
• Keep-alive:
TCP/IP Setting
• Remote node keep-alive time
Specify automatic allocation of client FINS node addresses.
Specify whether remote node keep-alive is to be used.
When client: Specify remote Ethernet Unit (server) IP address.
When server: Specify IP addresses of clients permitted to con-
nect.
Specifications
Section 6-1
115
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