PCaPAC2012 - List of Keywords (ECRIS)

Paper	Title	Other Keywords	Page
WECC02	EPICS Channel Access Using WebSocket	EPICS, controls, monitoring, GUI	7
	A. Uchiyama Sokendai, Ibaraki, Japan K. Furukawa KEK, Ibaraki, Japan Y. Higurashi RIKEN Nishina Center, Wako, Japan
	Web technology is useful as a means to widely inform of accelerators and beam status.　For this purpose, WebOPI[1] as to web-based system using Ajax (Asynchronous JavaScript and XML) with EPICS was implemented by SNS. On the other hand, it is often necessary to perform the accelerator control from various locations as well as central control room during the beam operation and the maintenance.　However, it is not realistic to replace GUI-based operator interface (OPI) with Web-based system using Ajax technology because of interactive performance.　Therefore, as a next-generation OPI over the web using EPICS Channel Access (CA), we developed a client system based on WebSocket, which is a new protocol provided by Internet Engineering Task Force for Web-based system.　WebSocket is a web technology providing bi-directional, full-duplex communication channels over a single TCP connection.　By utlizing Node.js and WebSocket access library named Socket. IO, a WebSocket server was implemented. As a result, Web-based client systems became available not only in the central control room but also with various types of equipment for accelerator operation. [1] http://sourceforge.net/apps/trac/cs-studio/wiki/webopi

WEPD38	A wireless control system for the HTS-ECRIS, PKDELIS and low energy beam transport	controls, ion, ion-source, interlocks	71
	R.N. Dutt, D. Kanjilal, P.S. Lakshmy, Y. Mathur, U.K. Rao, G.O. Rodrigues IUAC, New Delhi, India
	A wireless control system based on MODBUS protocol has been developed for operation of the High Temperature Superconducting ECR ion source, PKDELIS [1], LEBT and associated systems on a 200 kV high voltage platform. The isolation channels for the two high voltage platforms are implemented using ISM band wireless channel. A server for organization wide connectivity over Ethernet for access from the main IUAC control room has been implemented. History features and an intuitive GUI interface is provided. The system has been in regular use and has proven to be rugged and reliable. [1] D. Kanjilal et al., Rev. Sci. Instrum. 77, (2006) 03A317 [2] R.N. Dutt et al. Proceedings of Indian Particle Accelerator Conference, INPAC, New Delhi, 2011
	Poster WEPD38 [1.504 MB]

Paper

Title

Other Keywords

Page

WECC02

EPICS Channel Access Using WebSocket

EPICS, controls, monitoring, GUI

7

A. Uchiyama
Sokendai, Ibaraki, Japan
K. Furukawa
KEK, Ibaraki, Japan
Y. Higurashi
RIKEN Nishina Center, Wako, Japan

Web technology is useful as a means to widely inform of accelerators and beam status.　For this purpose, WebOPI[1] as to web-based system using Ajax (Asynchronous JavaScript and XML) with EPICS was implemented by SNS. On the other hand, it is often necessary to perform the accelerator control from various locations as well as central control room during the beam operation and the maintenance.　However, it is not realistic to replace GUI-based operator interface (OPI) with Web-based system using Ajax technology because of interactive performance.　Therefore, as a next-generation OPI over the web using EPICS Channel Access (CA), we developed a client system based on WebSocket, which is a new protocol provided by Internet Engineering Task Force for Web-based system.　WebSocket is a web technology providing bi-directional, full-duplex communication channels over a single TCP connection.　By utlizing Node.js and WebSocket access library named Socket. IO, a WebSocket server was implemented. As a result, Web-based client systems became available not only in the central control room but also with various types of equipment for accelerator operation.
[1] http://sourceforge.net/apps/trac/cs-studio/wiki/webopi

WEPD38

A wireless control system for the HTS-ECRIS, PKDELIS and low energy beam transport

controls, ion, ion-source, interlocks

71

R.N. Dutt, D. Kanjilal, P.S. Lakshmy, Y. Mathur, U.K. Rao, G.O. Rodrigues
IUAC, New Delhi, India

A wireless control system based on MODBUS protocol has been developed for operation of the High Temperature Superconducting ECR ion source, PKDELIS [1], LEBT and associated systems on a 200 kV high voltage platform. The isolation channels for the two high voltage platforms are implemented using ISM band wireless channel. A server for organization wide connectivity over Ethernet for access from the main IUAC control room has been implemented. History features and an intuitive GUI interface is provided. The system has been in regular use and has proven to be rugged and reliable.
[1] D. Kanjilal et al., Rev. Sci. Instrum. 77, (2006) 03A317
[2] R.N. Dutt et al. Proceedings of Indian Particle Accelerator Conference, INPAC, New Delhi, 2011

Poster WEPD38 [1.504 MB]