James Powell

James Powell

As a Business Developer, PI Communications, for Siemens Canada Limited, James Powell, P.Eng, provides technical expertise and leadership on industrial communications. He has over 20 years experience with protocols including: PROFIBUS, HART, Foundation Fieldbus, Modbus, DeviceNet, and various Ethernet protocols. He is a certified PROFIBUS DP network Engineer and a certified PROFINET network Engineer. He has numerous published articles and technical papers and is an active member of both PROFIBUS International and Fieldbus Foundations. He is the lead instructor for an advanced PROFIBUS PA course offered at Siemens Peterborough which is a certified PROFIBUS training center.

Catching the Process Fieldbus: An Introduction to PROFIBUS for Process Automation

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James Powell
Henry Vandelinde

A field bus is a two-way link between a programmable controller or operations monitor and an industrial device like a sensor, an electric motor, or a switch. It is a critical part of any automated industrial process—whether for factory automation (discrete processes like an assembly line) or process automation (continuous flow of materials being mixed, treated, or processed). PROFIBUS is a widely established program that allows for communication among and between controllers, fieldbuses, and actuator devices.