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Wireless telemetry and control in plants have become a necessity with the data acquisition requirement of modern plant control to lift performance and compliance. In-plant cabling costs often push the economic viability of peripheral plant data acquisition and control systems projects into the pending list of plant capex. The benefit of having the data and control is undeniable, but often too expensive to implement. Wireless control and automation provide a cost-effective solution and the technology is improving all the time.

Licence free wireless bands are extremely attractive for cable saving in the plant. Distances of up to 20 km are not uncommon, even with these low power transceivers. Omniflex Teleterm offers a range of compliant frequency band options to suit the global market. Omniflex has employed various methods of optimising their licence-free band wireless devices for maximum efficiency in a one unit fits all package. Other features include:

  • Full standalone controller with optional IEC61131 programming in five languages.
  • Optimised highly efficient radio communication.
  • Mixed I/O for small systems.
  • Standard Modbus protocol.
  • Standard RS-485 and Ethernet ports.
  • Powered from 9 to 30 VDC.
  • Standby battery options.
  • Solar power options.
  • Easy to connect to DCS or scada.

Applications include remote pump control, pump rotation control and condition monitoring, remote effluent plants with analytical instrumentation, dosing stations, environmental monitoring, water quality, remote flow monitoring and custody transfer systems.

Omniflex

The company was founded in 1965, formerly known as Conlog, specialising in process control, alarm/event management and instrumentation products and systems. In 1997, the original instrumentation business division of the company changed its name to OMNIFLEX Ltd.

The company was founded in 1965, formerly known as Conlog, specialising in process control, alarm/event management and instrumentation products and systems. In 1997, the original instrumentation business division of the company changed its name to OMNIFLEX Ltd.

Omniflex works across all business sectors including pharmaceuticals, hospitals, oil, gas, nuclear, water, electrical distribution and energy monitoring.

The company has its offices in the UK, South Africa, and Australia, and the company’s products are sold on five continents. Product ranges include well-known brands such as OMNI SIL alarm annunciators, OMNITERM SIL signal conditioning, MAXIFLEX intelligent remote terminal units (RTU) and I/O systems and the MAXILARM/Omni 4000 alarm/event management systems.

We bracket ourselves as a ‘remote monitoring specialist’, using data acquisition systems, with better than 1mS timestamp at the IO point (from several I/O up to thousands of I/O),  alarm event management including multiplexing systems, telemetry systems, Data2Desktop using standard web browsers, over varying forms of media and high-integrity (SIL1) annunciator systems.

A particular area that Omniflex is also very strong in is obsolescence issues on old legacy alarm annunciators systems. We have, in most cases, a solution for replacement of Rochester, Highland and Robinson’s annunciator systems. Our alarm annunciator systems have been substantiated by Sellafield for and on behalf of all the nuclear operators.

An area that we can offer customers significant cost savings is through the use of our CONET networking technology, which is supported by many of our RTU / PLC products. Using our CONET network technology allows existing installed cabling to be used therefore significant cabling/installation costs can be avoided. A typical example of this whereby our customer in the nuclear industry used our CONET technology, retained their existing cabling and infrastructure, saved them in the region of £1m on cabling and scaffolding.

As a worldwide supplier, OMNIFLEX provides technical training, back-up and application engineering support to a variety of industry partners including local distributors, value-adding resellers and systems integrators, to provide superior levels of service to the end user.

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