Hardware manual

12 Modbus
2-243
Chap.2
12.6.5 Settings
The settings of the MODBUS/TCP Server communication can be configured in the [Select Host
Port] and [Project Attributes] dialog boxes in WindO/I-NV2. The following table lists the
configurable settings. Configure the settings according to the host device to be used.
Settings Description
Manufacturer Select “Modicon”.
[Select the Host I/F
Driver
]
Protocol Select “MODSUB/TCP SERVER”.
O/I Link When using the O/I Link, select “Enable”.
[Project Settings]
－[Host I/F Driver]
Refuse Access From
Unknown Clients
Check this box to refuse access from devices
other than the specified host device (client).
Time Out Enter the duration after which timeout occurs
if request is not sent from the host device (in
units of seconds).
Port Number Select the port number used for the
communication.
Processing Interval Enter the interval in units of milliseconds at
which the MICRO/I performs communication
processing. When the speed of other operations
of the MICRO/I seems slow this is due to a
large amount of communications, therefore,
set a large value here to maybe increase the
communication processing speed.
[Project Settings]
－[Host I/F Extension]
Client Address 1-4 When “Refuse Access From Unknown Clients”
is checked, specify the IP address of the host
device (client) from which access will be
accepted.
When the number of accessible host devices is
three or less, then “0.0.0.0” to the address for
unused client.