Speaker
Mr
Liang Yi
(GDWave)
Description
In CSNS(China Spallation Neutron Source) neutron instrument, the time of proton hit the target is called T0, which is the start point of TOF of neutron. T0 fanout system will provide the exactly T0 signal for detector electronics. But, this system lack of the information to synchronize the metadata from control system and the neutron data from different detector. In CSNS, a real time synchronization system is deployed to index the neutron data from different detector electronics and metadata from control system or other system. This time synchronization system use the UTC time from GPS as the time base and synchronize all node by White Rabbit network. All detector electronics, measurement node and control server spread in 100m2 are connected to this system by different way. The metadata of last sample set can be retrieved from index server and all history data can be obtained from history database for physical analysis. Some device and computer are developed in CSNS site, and a demo system is also established. In this paper, the architecture of this synchronization and synchronization way are explained, and some performance of this demo system are also illustrated in this paper.
Primary author
Dr
Jian ZHUANG
(Institue of High Energy Physics)
Co-author
Mr
Liang Yi
(GDWave)
