DCS, SCADA, Controllers

DCS, SCADA, Controllers January 1, 1970

Foxboro secures SCADA system contract in China

Foxboro, Mass.— The Foxboro Company, a unit of Invensys Process Automation, announced March 19 that it has been awarded a $15 million SCADA system contract for the Shanxi Wanjiazhai Yellow River Diversion Project in China. This important project, funded by the World Bank, diverts floodwaters from the Yellow River to communities in Shanxi province, thereby mitigating life-threatening flood...

By Staff
DCS, SCADA, Controllers January 1, 1970

Noise and disturbances in process control

Were it not for noise and disturbances, a feedback controller could fairly easily maintain output of the controlled process (process variable) close to its desired value (setpoint). However, forces other than the controller's efforts can often change the process variable. An example is sun shining in on a room cooled by an automatic air conditioner.

By Staff
DCS, SCADA, Controllers January 1, 1970

Control Engineering Highlights the 40 Best Products of 2000

Control Engineering editors— in the 14th annual process—highlighted the best products of the year, based on technological advancement, impact on the market, and service to industry.Editors selected from among thousands of products mentioned in Control Engineering and Control Engineering Online during year 2000, in nine product categories: Control components; Human-machine interface...

By Antonia E. McBride, and Control Engineering Staff
DCS, SCADA, Controllers January 1, 1970

Ethernet Security, Safety Relies on Common Sense Networking

KEY WORDS Networks and communication Ethernet Internet and intranet PC-based control Device-level networksThe price of freedom? A little less freedom. More users are seeking to gain Ethernet's interoperability and flexibility. However, the relatively greater openness of Ethernet can mean increased network vulnerability, especially when networks are linked via the Internet.

By Jim Montague, CONTROL ENGINEERING
DCS, SCADA, Controllers January 1, 1970

PVTs use diagnostics, go digital, deliver multiple readings

Trends in Process Variable Transmitters Diagnostic capabilities Digital protocols Faster communication ONLINE See this product focus at www.controleng.com for additional information. Process variable transmitters (PVTs) perform a type of dance that goes on between various processes and the transmitter moving information to the end-user.

By Staff
DCS, SCADA, Controllers January 1, 1970

Applied Data to use Synergetic chip in computer

Applied Data Systems (Columbia, Md.) and Synergetic Micro Systems (Downers Grove, Ill.) announced March 5 at NMW a collaborative design effort to produce a new 32-bit StrongARM computer incorporating Synergetic's EmbeddedComm/EC-1 universal fieldbus chip. The two partners report their new product suite will be sold to OEMs and equipment suppliers, and expect the suite to offer price and perform...

By Staff
DCS, SCADA, Controllers January 1, 1970

Noise and disturbances in process control

Were it not for noise and disturbances, a feedback controller could fairly easily maintain output of the controlled process (process variable) close to its desired value (setpoint). However, forces other than the controller's efforts can often change the process variable. An example is sun shining in on a room cooled by an automatic air conditioner.

By Staff
DCS, SCADA, Controllers January 1, 1970

Innovations inundate National Industrial Automation Show at National Manufacturing Week 2001

Chicago, Ill.— Hundreds of exhibitors showed thousands of innovative products and services at the National Industrial Automation Show during National Manufacturing Week 2001 at McCormick Place. For more coverage, including streaming video clips, click on "NMW 2001" at www.controleng.com. Advantech Automation (Cincinnati, O.

By Staff