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The Manual's Usage and Structure
How to use this manual
In this manual, explanations are given for each application of the Ethernet modules
(FX
3U-ENET-L).
Please use this manual using the following key items below as a reference.
(1) Features and utility lists
(a) Features and functions
• Chapter 1 describes the features of the Ethernet modules.
• Chapter 3 describes the common functions and specifications of the
Ethernet modules.
(b) Items included in this package and network configured items
• Section 2.2 describes the system configuration of the Ethernet module.
Parts and components other than those packaged with the module must
be purchased separately by the user.
(2) Processing required prior to starting the operation of the Ethernet
module
(a) Startup procedure
• Section 4.2 describes an outline of the procedures to do before starting the
operation of the Ethernet module.
(b) Connection to the Ethernet network.
• Section 2.2 describes the devices required to connect to the Ethernet
network.
• Section 4.4 describes the connection methods for each type of interface.
(c) Parameter settings required before starting Ethernet module operation
• Section 3.6 describes the parameter settings required in order to use each
function.
Confirm the required parameters, set them according to the relevant
section, and save the setting values in the PLC to which the Ethernet
module is installed.
• Section 4.5 describes the types of Ethernet parameter setting in order to
use the Ethernet module.
(d) Checking for Ethernet module failures
• Section 4.7 describes the self-diagnostic test for the Ethernet module.
(e) Checking for connection errors with the external devices
• Subsection 5.4.1 describes how to check for connection errors using the
"PING" command.
• Subsection 5.4.2 describes how to check for connection errors by
performing the loopback test through MC protocol-based communication.