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TY - UNPB AU - Cooper, S.M. AU - Barron, P.N. AU - Bögershausen, T. AU - Cox, S.M. AU - Janaschke, S. AU - Oram, D.E. AU - Rojas, F. AU - Suxdorf, F. ED - White, Karen S. ED - Brown, Kevin A. ED - Dyer, Philip S. ED - Schaa, Volker RW TI - International Collaboration for the Development of TwinCAT Motion Control Software for Neutron Instruments J2 - Proc. of ICALEPCS2019, New York, NY, USA, 05-11 October 2019 CY - New York, NY, USA T2 - International Conference on Accelerator and Large Experimental Physics Control Systems T3 - 17 LA - english AB - At the ISIS Pulsed Neutron and Muon Source*, we are in the process of upgrading our motion control hardware, used on instrument beamlines, to Beckhoff brand PLCs. PLCs offer greater flexibility than our current hardware and will allow us to keep up with the constantly evolving motion requirements of our facility driven by our scientists and users. At the time of writing, we have delivered two systems using this new hardware with our intent being that all new systems installed from Q4 and onward will utilize Beckhoff hardware. For the upgrade, we are utilizing the TwinCAT** software environment to develop the software for this hardware. This has provided an opportunity to start from a blank slate defining our requirements capturing all aspects of the system lifecycle from its end-user science requirements, through to operational support tools. A TwinCAT working group has been formed with two other neutron facilities, ESS*** and JCNS****. This group formed to align our requirements and share expertise with the intent of creating a common software library across the facilities and a lasting collaboration. PB - JACoW Publishing CP - Geneva, Switzerland ER -