Releases of the WITS standard, including Technical Bulletins (TB) and Information Bulletins (IB).

16-Oct-2018 WITS-IoT Protocol published at version 1.0

Executive Summary

WITS-IoT is a new protocol from the WITS PSA (Protocol Standards Association). WITS-IoT is aimed at lower power, less expensive devices and provides an application layer veneer on standard IoT technology. Although the application level functions provided by the protocol stem from its inception in the UK Water industry, it is broadly applicable to general telemetry within the entire Industrial Internet of Things (IIoT). So, for example, the protocol functions include reading values, […]

By |2020-11-23T21:00:40+00:00November 5th, 2018|News, Release News|0 Comments

14-Jun-2018 WITS-DNP3 V3.0 Master Station Timescales

Version 3.0 of WITS-DNP3 was released sometime ago. However, up till this point, neither Master Station supported that later version. At the last WITS Strategy Meeting in May 2018 at NIW in Belfast, both Master Station manufacturers were asked to come prepared to discuss their rollout plans and when WITS-DNP3 version 3.0 may feature in those plans.

We are pleased to announce that both Master Station manufacturers have WITS 3.0 on their development horizons. At the […]

By |2020-11-23T21:01:16+00:00June 14th, 2018|News, Release News, Uncategorized|0 Comments

10-Apr-2018 New WITS Technical Bulletin TB#62: Clarifications and Corrections

Today, the WITS-PSA has published the results of our work to clarify some points within WITS-DNP3. The updated Technical Bulletin is as follows:

TB #62 – Clarifications and Corrections

There are a number of comments and PSAC “tickets” that have been raised because of errors or misunderstandings with the contents of the Application Notes. This TB adds clarification comments and corrections to the Notes and the Test Specification.

To download the updated documentation, log-in to the website to […]

By |2020-11-23T21:01:25+00:00April 10th, 2018|News, Release News|3 Comments

18-Jun-2017 New WITS Technical Bulletin TB#61: Clarification on Extended Data Points

Today, the WITS-PSA has published the results of our work to clarify some points within WITS-DNP3. The updated Technical Bulletin is as follows:

TB #61 – Clarifications on the use of Extended Data Points when there are no valid values of the source point.

In addition, the Technical Bulletin index has been updated to include this enhancement.

To download the updated documentation, log-in to the website to access the Members section. Then from the “Members” menu, click on […]

By |2020-11-23T21:03:47+00:00June 18th, 2017|News, Release News|0 Comments

03-May-2017 DNP3 TB2016-005 information for WITS members

The publication

The DNP User Group published the following news on December 28th 2016:

The DNP Technical Committee has released the following Technical Bulletin (TB):

  • TB2016-005 Indicating Invalid Floating-point Data in Object Group 0 Variations

TB2013-004 introduced some new Object Group 0 Variations that are used to report GPS data from an outstation (latitude and longitude). Questions arose about how an outstation should use these objects if it cannot get a GPS fix to the required number of […]

By |2020-11-23T21:04:15+00:00May 3rd, 2017|News, Release News, Uncategorized|0 Comments

03-May-2017 DNP3 TB2016-004 information for WITS members

The publication

The DNP User Group published the following news on December 2nd 2016:

The DNP Technical Committee has released the following Technical Bulletin (TB):

  • TB2016-004 Updated Unsolicited Reporting Requirements for Constrained Environments

The TB (dated November 29th 2016) makes minor changes to the DNP3 specification, describing that outstations may not always be able to communicate “immediately” due to constraints outside of the DNP3 protocol.

How does this affect WITS users?

This has no impact on WITS users.

How does this […]

By |2020-11-23T21:04:20+00:00May 3rd, 2017|News<