17-May-2017 WITS-DNP3 Plugfest – Today

Xylem is kindly hosting the #WITSPlugfest event at their Nottingham, England offices.

26 attending engineers, 9 Field Device manufacturers and 2 Master-Station developers.

Lots of very detailed discussions, scanning logs, sharing of information and ideas but most importantly: Testing!  By the end of the day we will have improved the quality and reliability of the WITS-DNP3 protocol and learned a great deal about each other’s systems and products.

Plug-Fests are a great way to bring everyone together […]

04-May-2017 Cyber Security Briefing on 18th May

Cyber Security Meeting for OT/IoT: UK and US Experiences, May 18th 2017

As members of the WITS PSA you may wish to consider attending this briefing on Cyber Security for OT/IoT. The briefing is to be held in London on Thursday 18th May 2017. The briefing is hosted by Tech UK and includes speakers from the Department for Culture, Media and Support, the Department for Homeland Security, ARM and the IoT Security Foundation. For those with […]

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 […]

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 […]