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

Read a dataset value using an AI block

  1. Create a module containing an Analog Input block.
  2. Double-click the IO_IN parameter.
  3. To select a device tag, click Browse. 
  4. In the Object Type field select All. This shows all the Device Tag names including the dataset tag name you want to read.
  5. Double-click the dataset tag that contains the parameter (register) that corresponds to the dataset value that you want to read.
  6. Select the parameter from the pull down list. 
  7. If desired, scale your input value using the Analog Input block's XD_SCALE, OUT_SCALE, and L_TYPE parameters.