PLCs, DCSs & Controllers


Latest Articles

Simple solution for wood-cutting application
November 2000
A customer wanted to control the feed rate of lumber into a saw to maintain efficient speed without loading down the saw motor. A Red Lion motor drive controller was used to implement this function. The ...

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PLC message display unit
November 2000
Mimic Crafts now offers the Messenger 256, a PLC message display unit housed in an IP65 panel mount enclosure (DIN 144 x 72 m). The display is highly visible with 10 mm characters and software controlled ...

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Half-size temperature controller
November 2000, Temperature Controls
The SA200 high performance temperature controller is 1/32 DIN size, with a dual display. Good for applications where panel space is critical yet maximum performance is required, the SA200 has been designed ...

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PLC interface with new wiring system
November 2000, Phoenix Contact
With the PLC-V8 Varioface adapters from Phoenix Contact the PLC interface relay and optical-coupler interfaces with a width of just 6,2 mm are now connected to PLC input and output modules quicker, and ...

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Dual PID controller/data acquisition unit
November 2000
The 2500 (Figure 1) is a high performance dual PID controller with adaptive tuning, cascade and gain scheduling, together with mathematical functions and combinational logic. It is mounted on a DIN rail ...

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Half-size Pentium MMX CPU card
November 2000
The PCA-6751 from Advantech (represented locally by ProMicro) is a half-size ISA-bus CPU card designed with on-board Intel Pentium MMX CPU. It features powerful on-board functions such as VGA, LCD, LAN ...

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Control head wins product innovation award
November 2000, Bürkert South Africa
In July this year, Bürkert was awarded Flow Control magazine's Product Innovation Awards 2000 for its TOP Control head for process control valve systems, Type 8630/8631. This low weight and compact TOP ...

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Control system will 'live' inside aero engines
November 2000
A control system for the next generation of aircraft engines, now under development in the United Kingdom, will improve engine efficiency, reduce fuel consumption, cut pollution and lower operating costs. The ...

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PLCs automate world-class oleoresin factory
September 2000
"The whole operation will involve sequential starting with PLCs. In the event of a stoppage anywhere along the line, the PLCs will automatically shut down the units up to that point."

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Cutting spent on PLCs by half
September 2000, Moore Process Controls
The application supports a wide variety of cause types, up to three inputs per cause and a variety of logic functions to be performed on the inputs to generate the cause

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Dual loop PLC controller
September 2000
The DLC is a dual loop controller that is designed as a building block for any multizone temperature or process control system. In a DIN-rail mounted package, the DLC provides all of the usual features ...

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Total networking of manufacturing-related processes is the way of the future
July 2000
E-control lays the foundation of e-manufacturing infrastructure for on-line business strategies where the integration of control with connectivity and information management facilitates the achievement ...

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Scada/PLC system reduces production stops at Mercedes Benz
July 2000
The main objective of the scada/PLC system was to monitor the movement of automotive parts, from the intake area all the way through to the storage and dispatch areas.

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Leader in electrical distribution supports South Africa's natural heritage
July 2000
Schneider Electric is involved in industrial development and a wide variety of projects and takes care to ensure that all their products and packaging are as environmentally friendly as possible.

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Universal I/O system for functionality without the programming nightmare
July 2000, Endress+Hauser South Africa
From the point of view of the process automation engineer, the ideal process measurement solution will facilitate a higher output with better quality and a higher output with better quality and at a competitive ...

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Realtime control solution combines CompactPCI with graphical programming language.
July 2000
National Instruments now offers a new CompactPCI realtime control solution based on LabVIEW RT, the company's easy-to-use graphicalprogramming environment for development and deployment of embedded, realtime ...

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The world's biggest Profibus installation in process engineering
July 2000, ABB South Africa
   FDT in Practice At present, ABB are installing at BASF's site what is believed to be the biggest Profibus system ever used in the field of process engineering throughout the world. This challenging ...

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PLC-based system expansion in automobile assemply plant
July 2000
When vehicle engines arrive at an automobile assembly plant, production engineers test a statistical sample of their delivery as part of the quality control process. Engineers make many measurements on ...

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Compact PLCs with a variety of functions
July 2000
The Oron CPM2A and CPM2AC PLCs from Yelland Control may be small, but they provide many functions. These include programmable terminal connections (through a built-in RS232C port), positioning functions ...

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Stack lights now availiable with DeviceNet connectivity
July 2000, Rockwell Automation
As one of the broadest stack light product offerings in the industry, the addition of DeviceNet connectivity to the Bulletin 855T control tower stack lights expands device functionality and diagnostic ...

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