Versions Compared


  • This line was added.
  • This line was removed.
  • Formatting was changed.


To control the state of a relay output with the CMS Datapoints widget, perform the following steps:

  1. Open the Datapoints widget.

    NoteNote: To best view all of the information on this widget, click

    Click the Expand button ( Image Modified ). 

  2. Set the filters to find and select the IOX digital output block:
    1. Device: iox[1-n] – the first installed IOX will be iox1, the second will be iox2, etc.
    2. Block: relay
    3. Block Index: 1 – 2 for relay output (DO) 1 or 2


      With IOX 2.3 and higher, a SNVT_switch datapoint can be used to control the relay. 

  3. Click the Action button () for the relay-val datapoint and then select the Edit Value action.

    The Edit Value view appears.

  4. Set the relay-val datapoint to 0 → OPEN or → CLOSE.

    titlePrior to IOX 2.3

     For IOX releases prior to 2.3, the level value is 0 → false→ true.

    • To close the relay, set to 0 → OPEN
    • To open the relay, set to → CLOSE.

  5. Click SAVE to store your configuration changes.