Fieldbus Works Better When You Use Control in the Field

Recently there was a discussion on our Fieldbus User Network about control in the field.  A user was wondering if they had to reduce the number of devices on a segment if they are using control in the field.  The user’s impression was that control in the field would increase overall network traffic and affect latency times, so the number of devices on a segment would have to be reduced.  Actually, this is untrue.  As you can see in the thread, fieldbus works better when you implement control in the field.  “Your macrocycle will be less constrained and your PID will work better.”

Fieldbus User Network Discussion on Control in the Field

About FieldComm Group

The FieldComm Group is a global standards-based organization consisting of leading process end users, manufacturers, universities and research organizations that work together to direct the development, incorporation and implementation of new and overlapping technologies and serves as the source for FDI technology. The FieldComm Group’s mission is to develop, manage and promote global standards for integrating digital devices into automation system architectures while protecting process-automation investments in HART and FOUNDATION Fieldbus communication technologies. Membership is open to anyone interested in the use of the technologies. For more information, visit their web site at

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