Connectivity from Wireless Transmitters to Controllers via EthernetIP

by | Sep 26, 2017 | Industrial IoT, Industry, Measurement Instrumentation, Packaging

Jim Cahill

Chief Blogger, Social Marketing Leader

For manufacturers in the discrete and hybrid manufacturing industries, packaging is an important part of their processes. For reliable and flexible operations connecting the information from the various packaging lines is important.

Sensors with online diagnostics play a key role and wireless sensors has enabled easier availability to measurements to increase reliability and operational performance. At the PACK EXPO 2017 conference in Las Vegas, the Emerson team is showing wireless measurements to provide packaging line temperature, density, and gas void fraction measurements over Ethernet/IP to programmable logic controllers.

The Micro Motion Smart Meter Verification (SMV) automatic diagnostic software verifies Coriolis meter performance and integrity without having to stop operations. SMV provides confirmation of meter cleanliness with no interpretation required so that operators can have confidence in their density measurements as well as fill accuracy to remain on spec.

Coriolis technology is based on the principles of motion mechanics. As fluid moves through a vibrating tube it is forced to accelerate as it moves toward the point of peak-amplitude vibration. Conversely, decelerating fluid moves away from the point of peak amplitude as it exits the tube. The result is a twisting reaction of the flow tube during flowing conditions as it traverses each vibration cycle.

When the process fluid enters the sensor, it is split. During operation, a drive coil stimulates the tubes to oscillate in opposition at the natural resonant frequency. As the tubes oscillate, the voltage generated from each pickoff creates a sine wave. This indicates the motion of one tube relative to the other. The time delay between the two sine waves is called Delta-T, which is directly proportional to the mass flow rate.

You can connect and interact with other flow measurement and wireless instrumentation experts in the Flow and Wireless groups in the Emerson Exchange 365 community.

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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.