Product category:
Monitoring and sensor equipment and systems
News Release from: Eurotherm | Subject: Mini8 controller
Edited by the Manufacturingtalk Editorial
Team on 20 November 2007
Controller performs PID loops outside
the PLC
A controller can perform PID loops outside the PLC without compromising the benefits of an integrated system, allowing temperature and pressure to be maintained in event of PLC failure.
The Mini8 controller makes it possible to perform PID loops outside the PLC without compromising the benefits of an integrated system, said Eurotherm The controller has four plug-in I/O slots and can cater for a variety of signals such as thermocouple and RTD inputs and relay, logic and analogue outputs
This article was originally published on Manufacturingtalk on 14 Jun 2001 at 8.00am (UK)
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Up to eight discrete control loops can be easily connected to major fieldbuses such as Profibus, Devicenet and CANopen.
This is important, said Eurotherm to manufacturingtalk.com, because it takes responsibility for the loops outside the PLC.
So in the event of the PLC failing, equipment pressure and temperature can still be maintained and expensive failures avoided.
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DeviceNet made a standard controller option
Eurotherm has added DeviceNet communications facilities to its main family of temperature and process controllers, making the feature a standard option.
System monitors glass furnace electrodes
An innovative monitoring system for the electrodes in glass production furnaces has been developed by F.I.C.
It also offers the Modbus protocol both on RS 485 or Ethernet.
* Comprehensive software wiring - another major benefit for users is the Mini8's very comprehensive software wiring, which allows loops to be connected in many different ways.
This gives a very high level of in-the-box configurability.
Features include setpoint programmer plus maths, logic and timing functions that make it capable of not only simple multi-loop PID control but also of being used to build innovative custom systems.
OEMs, for example, can construct their own algorithms in a simple unit that is easily cloned.
The Mini8 also offers an OEM or reseller the ability to protect their intellectual property by using a feature called OEM security.
This prevents unauthorised cloning of a configuration without entry of a pass code defined by the original programmer.
Originally developed for use in the semi-conductor industry, its compact size (108cm Hx124cm Wx115cm D) and high level of configurability makes the Mini8 ideal in applications where control cubicle 'real estate' is a particular issue, for example, in plastics extrusion systems.
* About Eurotherm - Eurotherm is a leading global supplier of control, measurement and data recording systems and services to industrial and process customers.
The company's international reputation as a provider of innovative systems across a broad spectrum of vertical markets is supported by engineering services designed to realise greater benefits to customers' plant-wide assets.
Eurotherm's product range includes distributed process automation systems and machine control incorporating single and multi loop control, operator displays, data management and graphic recorders, power control and signal conditioning.
It is an ISO9000 approved Company, and operates TickIT protocols for software management.
Eurotherm is a key business within Invensys, the global automation, controls and process solutions Group.
Invensys products, service expertise and ongoing support enable intelligent systems to monitor and control processes in many different environments.
Leading companies in a wide range of industries rely on Invensys to help them perform with greater efficiency, safety and cost-effectiveness.
Headquartered in London, UK, and listed on the London Stock Exchange, the Invensys Group is made up of five businesses, as follows.
* Process Systems.
* APV, * Eurotherm.
* Rail Systems.
* Controls.
Overall, the Group has over 30,000 employees working in 60 countries.
employees working in 60 countries.
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