Dual Redundant Profibus Network Architecture in hot standby fault tolerant control systems

Author

Singh, Sushil ; Chary, Valavoju Mahesh ; Rahman, P. Abdul

Author_Institution

Satish Dhawan Space Centre, Indian Space Res. Organ., Sriharikota, India

fYear

2014

fDate

1-2 Aug. 2014

Firstpage

1

Lastpage

5

Abstract

This paper presents Dual Redundant Profibus Network Architecture in hot standby fault tolerant control systems. Here, two independent profibus backbones are used to connect main CPU rack with main & redundant I/O racks respectively. In the above fashion, the redundant CPU rack is also configured. This completely prevents the loss of control over process due to multiple failures in I/O communication interfaces in the DACS system. And also redundancy in “Y link” is established to acquire profibus DP slave data. This immensely enhances “the fault tolerant & redundancy” level of communication between PLC to I/O & DP slave. This completely avoids the loss of field I/Os communication due to various failures in profibus network.

Keywords

failure analysis; fault tolerant control; field buses; programmable controllers; redundancy; DACS system; DP slave data; I/O communication interfaces; PLC; Y-link redundancy; dual-redundant profibus network architecture; failure analysis; field I/O communication loss; hot-standby fault tolerant control systems; main I/O racks; redundant CPU rack; redundant I/O racks; Manuals; Protocols; Redundancy;

fLanguage

English

Publisher

ieee

Conference_Titel

Advances in Engineering and Technology Research (ICAETR), 2014 International Conference on

Conference_Location

Unnao

ISSN

2347-9337

Type

conf

DOI

10.1109/ICAETR.2014.7012852

Filename

7012852