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NPort IA and IAW5000A-I/O
Modbus Address Mapping Table
User-Defined Modbus Addressing
The NPort IA5000A-I/O and NPort IAW5000A-I/O Series play a role as the Modbus TCP slave and input and
output addresses can be configured on this page. Select the Enable User-defined Modbus Addressing
checkbox, and then configure the start address of each Modbus function. If you do not want to use the
Modbus function, deselect the Enable User-defined Modbus Addressing checkbox.
Default Modbus Address
You can view the default Modbus address for all I/O devices on the Default Modbus Address settings
page. However, only the starting address will be displayed for each item with multiple reference addresses.
For example, if the reference addresses for DI Value start from 10001 and the second DI channel's
reference address is 10002, only the first DI channel's Modbus address of 10001 will be displayed. See the
diagram below.
Web Console: Modbus Address Mapping & I/O Setting
11-2
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