Serial devices and the DeltaV system > Using serial data in control strategies

Read or write display serial data using a serial dataset DST

  1. Open a display for editing.
  2. Click the Data Link tool from the graphics toolbox.
  3. Enter the dataset's DST name followed by the register number in the tagname field (for example: CTLR101010101/R40101). You can also use the Parameter Browse feature to browse for the DST and register name.
  4. Set the other Data Link parameters to their desired values and click OK.
  5. Drag the Data Link to the desired location on the display.

You can use serial device data in control modules. For example, use serial data as the I/O reference in standard function blocks or create module-level parameters that reference the Dataset Tag and parameter associated with the register with which you want to work.

The following specific examples describe how to read from and write to serial devices using a control module and a control module reference.