Fieldbus provides advantages for Indonesia waterflood project

Based on a presentation to ISA2001, Sept. 10-13, 2001, Houston.The waterflood facilities for PT Caltex Pacific Indonesia´s Balam and Bangko oil fields, on Indonesia´s Sumatra Island, included Foundation fieldbus systems that had several advantages over traditional 4-20 ma analog signals, including interoperability among products from several vendors.As part of the waterfood installation, PT CPI assigned a project team to make a comparative study of analog systems, 4-20 ma, and fieldbus technologies, such as Foundation fieldbus and Profibus.The decision to install the fieldbus was not easy because there was a risk of failure and some instrumentation experts did not recommend it...

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