TY - CPAPER AU - Tobiyama, M. TI - Improvement of Data Transfer Speed of Large Memory Monitors J2 - Proc. of IBIC2014 AB - Beam monitors with long memories will be widely used in SuperKEKB accelerators. Since the slow data transfer time of such devices usually limit the operational performance, improvement of the transfer rate is required. Two kind of devices, VME-based module and Ethernet-based modules has been developed. On the VME-based devices such as turn-by-turn position monitors for damping ring or long bunch oscillation monitors, MBLT and BLT transfer method has been implemented. For the Ethernet based system, the gated turn-by-turn monitors, SiTCP has been implemented on the FPGA and the EPICS device support for SiTCP has been developed. The improvement of the data transfer speed with the long-term reliability will be presented. PB - JACoW CY - Geneva, Switzerland SP - 642 EP - 646 KW - Ethernet KW - EPICS KW - FPGA KW - injection KW - operation DA - 2014/10 PY - 2014 SN - 978-3-95450-141-0 UR - http://jacow.org/IBIC2014/papers/wepd05.pdf ER -