About Stuart Combellack

Senior Software Engineer, Technolog Limited.

25-Apr-2019 WITS Forum Replacement

A change to WITS members’ interactions

The WITS forum is being retired in favour of using Slack

During the rollout and continued maintenance of the WITS-DNP3 protocol, the WITS-PSA introduced a forum to WITS. The forum is a website which allows members to post and read messages, also providing email notifications when new messages are posted.

The forum was heavily used by the WITS technical teams for the review and update of the Technical Bulletins which drove […]

03-Mar-2019 When WITS is not WITS

WITS is not WITS?

When the original development of the WITS-DNP3 protocol was underway, some thought went into the selection of the WITS abbreviation so that we would not clash with other uses, which might be in the same area. In those days WITS stood for Water Industry Telemetry Standards, as the development of that early protocol was led by the UK Water Industry. Since then we have seen increased interest from […]

28-Sep-2018 SCADA World Summit: WITS Presented

The 8th SCADA World Summit 2018, London, May 7-10

The SCADA World Summit series of conferences are held in different parts of the world. Jim Baker, a WITS Governance Committee member and member of the DNP3 Technical Committee, was invited to present at the 2018 conference in London.

Jim’s presentation comprised two parts: the first part was a workshop on the development of the WITS protocol culminating in the WITS-IoT project. This was received well […]

By |September 28th, 2018|News, PSA News|0 Comments|

29-Jun-2018 October Plugfest (“OctoberFest”) Date Announcement

October 2018 Plugfest Date Announcement

Following the successful WITS Plugfest in January 2018 (see the article on the WITS website ), I would like to invite you to the next WITS Plugfest hosted by Thames Water in Reading on Tuesday 9th October 2018.

The plugfest in January was the first time we opened the event to both WITS vendors and WITS users, this was successful and will be repeated again this October. To facilitate this, the plugfest […]

18-Jun-2018 NIW WITS Telemetry Outstation Rollout

NI Water Telemetry provides monitoring (and in some cases control) of approximately 4,500 clean and wastewater assets. Telemetry not only provides alarm annunciation, local monitoring and control but also provides regulatory and operational data. There is a reliance on accurate and timely data being provided for business, operational purposes and for the security of customer water and wastewater facilities.

At each asset, signals are marshalled into a local Telemetry outstation e.g. pump status, valve status, […]

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 […]

18-Jan-2018 WITS Updates Coverage and Logo

Following increased interest from industries other than UK water in the WITS DNP3 protocol, the WITS PSA has decided to broaden the coverage of WITS from “Water Industry Telemetry Standards” to “Worldwide Industrial Telemetry Standards”.

Consequently, the WITS logo has been updated to reflect this change as shown below and on our updated website.

The logo change:

WITS Protocol   becomes  

17-Jan-2018 WITS Plugfest Day

WITS Plugfest Day Today

WITS-DNP3 Vendors and users from across the UK have come together at the Sjovoll Centre, Durham. Everyone has brought their latest hardware, firmware and software to test WITS-DNP3 implementations.  Engineers from Servelec, Schneider, Xylem, Pulsar, Technolog, Metasphere, Brodersen and Softing are here among others to test and improve their systems.

We have representatives from a number of WITS user organisations and their consultants to assist and oversee the work.

WITS-IoT will be presented […]

12-Jan-2018 WITS at the Global Leakage Summit 2018

WITS Member speaking on the use of WITS at the Global Leakage Summit 2018

Graham Nasby of Guelph Water in Canada will be speaking at the Global Leakage Summit 2018. The Summit is on Tuesday 13th March and Wednesday 14th March in London, UK. You can read more about the summit here.

Graham will be presenting on Guelph Water’s use of the WITS-DNP3 Protocol to efficiently collect pressure and flow data from District Metered Areas […]

Metasphere Point Orange Device Profile

WITS Version 1.1 – Self certified on 30th November 2017

Note that this Device Profile shows the device’s functionality at the time it was listed as a self certified device. The vendor may have changed the device’s functionality since that time and they may have later versions of the Device […]