PNPOS parameter values

Use the
Parameters
 tab of the
PNPOS Properties
 dialog box to monitor and modify values of parameters from the Process n-Position Device (PNPOS) instruction.
To monitor and modify parameter values for PNPOS instructions
  1. On the instruction in the routine, perform one of these actions:
    • On the Ladder or FBD instruction, select .
    • In the Structured Text editor, right-click the tag name and select
      Configure <tag name>
      .
  2. Open the
    Parameters
     tab.
  3. Set the parameters:
    • Vis.
      Select check boxes in this column to determine which parameters are visible on the function block. If the parameter is wired to another parameter, the check box is selected, and cannot be cleared because the parameter must be visible on the block.
    • Value
      . Displays the current value of the parameter. Values in this column are displayed according to the display style of the block tag’s data type. If the parameter is wired to another parameter, the value column is read-only, and the value cannot change.
    • Insert instruction defaults
      . Resets the
      Vis
       and
      Value
      columns to the user-stored default values. Use this button to insert instruction defaults saved in the registry to this instance of the tag. This button is only enabled when the instruction defaults are available in the registry.
    • Insert factory defaults
      . Resets the
      Vis
      and
      Value
       columns to factory default values. Use this button to insert factory defaults (initial values) to this instance of the tag.
    • Save instruction defaults
      . Use this button to save current values in the
      Parameters
      tab to the registry.
  4. View the read-only parameters:
    • Input/Output Row Header
      . An I at the start of a row indicates an input parameter; an O indicates an output parameter.
    • Name
      . The name of the parameter.
    • Type
      . The data type for the parameter.
    • Description
      . The description of the parameter.
  5. To sort parameters alphabetically, select
    Sort parameters
    . When this check box is cleared, the input parameters are listed followed by the output parameters.
  6. Select
    Apply
    .
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