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MELSEC-F
SETTINGS AND PROCEDURES PRIOR TO OPERATION4
4 - 3
4.2 Settings and Procedures Prior to Starting the Operation
The following shows a flow of the procedure that is required prior to operating:
POINT
(1) When the parameter settings are added or modified using the
FX Configurator-EN-L, the settings differs depending on the connection
condition to the Ethernet module as shown below.
When directly connected to the PLC
After the parameter settings are added or modified, re-initialization
processing can be automatically performed.
When connected via Ethernet
The added or modified parameter settings are not reflected.
To operate the Ethernet module after the parameter settings are added or
modified with FX Configurator-EN-L, first save the parameter values,
second reboot the Ethernet's module power.
(2) Timing for powering ON
Power ON the PLC and the Ethernet module with the timing as shown below.
When turning the system power ON
Turn the power of the Ethernet module ON first, and then turn ON the
power of the PLC after that when different power source is used for the
PLC and Ethernet module.
It is possible to supply power to the Ethernet module from the 24 VDC
service power supply of the PLC. (Pay attention to the current capacity of
the service power supply of the PLC.)
When turning the system power OFF
Turn the power of the PLC and Ethernet module OFF at the same time.
Or turn OFF the power of the PLC first, and then turn OFF the power of the
Ethernet module after that.
Procedures prior
to operation
Create a program for each communication
Operation
See Section 4.4, "Connecting
to the Network."
See Section 4.5, "Settings from
Ethernet Parameters."
See Section 5.4, "Confirming the Completion
of the Initial Processing."
See applicable
communication function
Connect the Ethernet module to the base module and
wire the 24VDC power supply.
Connect the Ethernet module to the Ethernet network.
Send the "Ping" command from an external device and
confirm the completion of the Ethernet module initial
processing
Setting the Ethernet module network parameters .
ON
ON
OFF
PLC
Ethernet
module
OFF