Wireless adaptor connects field instruments to ISA 100 Wireless system
Field wireless systems enable the field devices and the host-level monitoring, control, and other systems in a plant to communicate wirelessly with each other. Advantages include allowing the placement of field instruments or analytical sensors in difficult-to-wire locations, eliminating the need for cables to connect devices, and lower installation costs. In accordance with its “Wireless Anywhere” concept, Yokogawa is seeking to promote the plant-wide use of field wireless systems by developing ISA100 Wireless devices such as this multi-protocol wireless adaptor.
When the multi-protocol wireless adaptor is mounted on a wired field instrument or analytical sensor, the instrument or sensor can function as an ISA100 Wireless device. It may be used with any type of wired field instrument or analytical sensor commonly used in plants, including those used to monitor temperature, pressure, liquid level, or vibration, or to detect gas. It also is compatible with both Yokogawa devices and devices from other vendors. By giving customers a greater range of field instruments and analytical sensors to choose from, Yokogawa expects that this multi-protocol wireless adaptor will facilitate the introduction of field wireless systems.
The first two models are intended for wired Hart and RS485 Modbus communications, both of which are very common in factory floor environments. The vendor said he plans to release models that are compliant with other wired field communications standards such as Foundation fieldbus and Profibus.
The battery in the adaptor can also power the field instrument or analytical sensor, eliminating the need for power wiring. The large-capacity lithium-ion battery is able to power both the multi-protocol wireless adaptor and the field instrument or analytical sensor.
Further models are scheduled to be released, for instance an all-weather type that is waterproof and dustproof and an explosion-protection type that can be used in the presence of inflammable gases.
Major target markets include industries such as oil & gas, LNG, refining, petrochemicals, chemicals, power, pulp and paper, pharmaceuticals, foods, and iron and steel.
For more information visit www.yokogawa.com.
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