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Title: A high-data-transfer-rate VME system for TCP-IP remote real-time control of the ITER in-vessel vision system
Authors: Pereira, Rita 
Cruz, Nuno 
Neri, Carlo 
Correia, Carlos 
Varandas, Carlos 
Keywords: Data acquisition; Control; Remote control
Issue Date: 2002
Citation: Fusion Engineering and Design. 60:3 (2002) 253-259
Abstract: This paper describes the control and data acquisition system (CADAS) for the in-vessel vision system (IVVS) for ITER, which imposes special design requirements due to its reactor characteristics. CADAS provides remote real-time control of the motors (by TCP-IP), fast data acquisition (20 bytes/pixel at 100 kpixels/s), error management and sustainable network data transfer rates (by TCP-IP). It is composed of a supervisory workstation connected by a 100 Mbit/s Ethernet channel to a remote VME crate, housing a board based on a PowerPC604R CPU running LynxOS, and two on-site developed intelligent modules. The architecture of these VME modules as well as the operation software and the application protocol are described. The test results are presented as well as an image obtained during the test procedures performed at the ENEA-Frascati Laboratory.
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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