Add an alias (RIO configuration)

Add an alias to assign a user-specified identifier (alias) to each data point in an RIO configuration. Refer to
Alias Properties dialog box settings
 for a full description of each setting.
To add an alias to a data point in your remote I/O configuration
  1. From the
    Communication Setup
     editor,
    right-click
     on the RIO scanner and click
    Configure RIO
    to open the
    RIO Configuration
     dialog box.
  2. Click
    +
     to expand the rack.
  3. Click
    +
     to expand the group.
  4. Right-click
     on
    Inputs
    , then click
    Add Alias
    to display the
    Alias Properties
     dialog box.
  5. Enter a unique
    Name
     for the data point. Names are case-insensitive, have a maximum of 254 characters, and can use any character except: @, :, /, [, ], ., comma, or space.
  6. Choose the
    Alias Data Type
    .
  7. Choose the
    Start Word
    . This is dictated by the rack and group address and range. Some data types have specific requirements, as detailed in
    Alias Data
    types.
  8. (optional) Choose the
    Bit
    if you selected the bit, bit array, or byte data types. Specify the bit offset within the word in which the data point is located.
  9. (optional) Choose a
    Length
     for unsigned word, string/array, and bit array data types only. Specifies the length of the data referenced by the data point.
  10. (optional) If the
    BitArray
     data type is selected, choose a
    Bit Length
     (from 1-32).
  11. Specify the user-defined
    Initial Value
     of the data point.
    TIP:
    No validation checking is performed to ensure you have not initialized an overlapped variable with a different value somewhere else.
  12. Click
    Overlaps
     to display the
    Address
    ,
    Type
    , and
    Alias Name
     of any overlapping aliases.
    TIP:
    The RIO configuration tool does not ensure that you have not configured overlapping aliases.
  13. When you are finished, click
    OK
     to close the
    Alias Properties
     dialog box.
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