Ethernet rules, distributed controls outpace centralized in Wago, CE survey

Germantown, WI—Ethernet is the most used fieldbus protocol and distributed control architectures are beating centralized architectures, according to a recent survey of approximately 150 readers of Wago Corp. and Control Engineering’s “Programmable I/O System with the Power of a PLC” customized, e-mailed newsletter.

By Control Engineering Staff March 1, 2005

Germantown, WI— Ethernet is the most used fieldbus protocol and distributed control architectures are beating centralized architectures, according to a recent survey of approximately 150 readers of Wago Corp. and Control Engineering ’s “Programmable I/O System with the Power of a PLC” customized, e-mailed newsletter.

The respondents reported that 53% use distributed control architectures, while 47% use cen-tralized control architectures. In addition, 89 of them add that their applications require specialty I/O devices, such as counter modules, serial modules, or PID control. Meanwhile, the respondents add that:

  • 43% use Ethernet;

  • 16% use DeviceNet;

  • 16% use other protocols;

  • 13% use Profibus;

  • 8% use Modbus; and

  • 4% use CANopen.

Dean Norton, Wago’s marketing manager, says the newsletter covered the firm’s I/O solutions, and describe the trends that programmable logic controller (PLC) functions increasingly are being performed by devices don’t look like traditional PLCs. Respondents to the survey were given free programming software and hardware needed to implement Wago’s solution in one application.

To read the newsletter, visit https://www.controleng.com/index.asp?layout=articleCTL&articleid=CA413567 .

Control Engineering Daily News Desk
Jim Montague, news editor
jmontague@reedbusiness.com


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