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MELSEC-F
SETTINGS AND PROCEDURES PRIOR TO OPERATION4
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(2) TCP Existence confirmation setting (BFM #24 b4)
Select the existence check method for TCP communication.
For the existence check function, refer to Subsection 5.2.2.
NOTE
When adjusting settings with FX Configurator-EN-L, select "Operating Settings" at
the initial screen and adjust the settings at the "Ethernet Operating Settings" screen.
(3) Send frame setting (BFM #24 b5)
(a) Select the frame of the Ethernet header for the data link layer to be sent by
the Ethernet module.
(b) When receiving data from the external device, reception should occur
regardless of whether the Ethernet frame or IEEE802.3 frame is used
NOTE
(1) Transmission using Ethernet frames is generally recommended.
(2) When communication with the external device fails, check whether or not
communication is possible using a PING command.
Name of setting Description of setting
Use the KeepAlive Checks connection status with KeepAlive.
Use the Ping Checks connection status with Ping.
POINT
(1) "Operational settings" parameters must always be set.
If the settings are changed, the power to the PLC and the Ethernet module
must be turned off once and then turned on again.
(2) If re-initialization of the Ethernet module is required due to the occurrence of
an error, perform re-initialization using a sequence program.
Setting item Description of setting
Ethernet (V2.0) Transmits using an Ethernet frame.
IEEE802.3 Transmits using an IEEE802.3 frame.