LIGO Document E1700370-v1

ECR: Modernizing the EtherCAT Slow Controls System

Document #:
LIGO-E1700370-v1
Document type:
E - Engineering documents
Other Versions:
LIGO-E1700370-v2
31 Aug 2018, 14:04
Abstract:
We propose to upgrade the main EtherCAT slow controls system to TwinCAT 3.1. At the same time, we propose to reduce the number of the slow controls computers for the main interferometer controls from three to one, and use a model supported by Beckhoff.
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Notes and Changes:
IIET: https://services.ligo-la.caltech.edu/FRS/show_bug.cgi?id=9304

5/17/2018 D. Coyne: Approval was rescinded until a proper technical review is conducted.
5/23/2018 D. Coyne: Discussed at Systems meeting. LHO & LLO personnel will revise the ECR and re-submit.

ON HOLD
08.77 - Modernizing the EtherCAT Slow Control System ($22,000 total 50/50 LHO/LLO)
08.77.02 (P2068906) - LHO
08.77.03 (P2068913) - LLO

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