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Report of PSA activities 2013


Report of the work of the Association over the past 2 years – Ver 3 21/11/2013


Following the period of development of the Protocol, the Protocol Standards Association was formed on 27th September 2011 at Interim Committee Meeting #8. The first Committee meeting of the new PSA was held on 11th December 2011. The Committee then consisted of:


  • Andrew Scott – Serck Controls (now Schneider Electric)
  • Guy Fitzpatrick – ITT Water & Wastewater (now […]
By |December 31st, 2013|News, PSA News|0 Comments|

Launch Forum 18-Mar-2010

Chairman’s introduction

Introduction to the protocol

By |December 18th, 2013|Library|0 Comments|

Open Event December 2011

Show and Tell Day October 2012


WITS Testing – the joy of plugfests

During 2007, the detail design of the WITS protocol was undertaken by a joint development team including engineers from all contributing founder vendors. This team has seen the WITS protocol move successfully from requirements through to a working protocol implemented, tested and certified on all the vendors equipment by the end of 2010. This article describes a key, and very successful, feature of the WITS development process – the WITS plugfests.

The WITS development process

The development […]

29-Aug-2013 Updates to Roadmap, WITS Versions and Application Notes

The website has been updated with an amended Roadmap, WITS Status and the 2 Application Notes AN2005-001 Ver 1.5 and AN2005-002 Ver 1.5. This is to reflect the current dual versions of the protocol – one supporting SAv2 (version 1.3) plus another supporting SAv5 (version 2.1).

Refer to The Protocol section.

Aug 2013 – South West Water specifies WITS

South West Water

SWW have included the requirement for the WITS interface to be delivered as part of the new Master Station system being delivered by CSE Servelec. WITS will be a key requirement of any future RTU specification and during the remainder of AMP 5 South West Water will enter a procurement exercise to select an appropriate RTU suite which will form the basis of the asset maintenance plan (currently circa 2000 devices) and […]

By |August 1st, 2013|News, PSA News|0 Comments|

13-June-2013 New functionality added to the WITS-DNP3 protocol

A Field Device that is periodically logging a counter value is required to reset the counter to zero after the current value has been logged at the end of the period. Any other event log for the counter point does not affect the counter value.

Technical Bulletin #45 updates the WITS-DNP3 technical documentation with details of the Incremental Configuration record to configure the counter point(s) to behave this way. It also shows the updates to […]

13-June-2013 2 WITS streams created

In order to accommodate new and legacy  versions of DNP3 Secure Authentication, the Committee has decided that henceforth there will be 2 WITS streams:

  • Ver 1.3 (which includes SAV2 security)
  • Ver 2.1 (which includes SAV5 security) 

New TBs will be incorporated into both versions. The two release packs are now available:

  • Release Pack 5-SAv2 (documents for WITS-DNP3 version 1.3)
  • Release Pack 5-SAv5 (documents for WITS-DNP3 version 2.1) 

Two revised Test Specs are also available:

  • PSA Test Spec […]

Brodersen Press release May 2013

Press Release:

Brodersen wins double framework agreement with Thames Water

Reading, 17 May 2013 – Brodersen has been awarded the contract to supply more than 1500 telemetry outstations to Thames Water in frameworks AMP5 and AMP6 extending to 2020. The contract supports the further strengthening and extension of Brodersen in the United Kingdom.

Thames Water is the UK’s biggest water […]