LIGO Document E1300403-v1

Add direct wire connection between RT and EtherCAT systems

Document #:
Document type:
E - Engineering documents
Other Versions:
ECR for communication between real-time and EtherCAT systems
Files in Document:
Other Files:
Notes and Changes:
5/10/2013 approved by Dennis Coyne & Peter Fritschel
Notes & clarifications:
1) It is not known whether a rapid transition from ALS to LSC is needed; This proposal is precautionary, in case we find that a rapid transition is needed.
2) While incorporating a rapid transition from ALS to LSC loop(s) might be possible using BIO in the real-time front ends under the direction of the Guardian System, the ALS system is currently designed to be controlled by the EtherCAT system.
3) This approval is for implementation/test at LHO and not (yet) for LLO or the 3rd IFO.

Associated Integration Issue & ECR tracker item:

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