Tool Gives Expanded View Of Process Performance

Raytek's Thermoview Pi20 process imager and Datatemp Pi (DTPi) software provides an expanded view of process performance in a range of industrial applications. Designed for automated monitoring and control of continuous or stationary targets, the Thermoview Pi20 fixed-mounted process imager provides a real-time process view of thermal images, allowing plant operators to shorten process startup times and lower production line changeover costs.

'Together, the Raytek Pi20 camera and DTPi software offer multi-point control flexibility corresponding to Areas of Interest (AOIs) on the product with independent alarm settings,' said Jeff Kresch, Raytek product manager - fixed thermal imagers, 'This provides the ability to reduce heating costs by applying heat to only the areas that need it. Users can also tell immediately when a product changeover is made if their process is under control,' he said. 'Process problems that show up as temperature anomalies are instantly detected, and image file and AOI archiving based on alarm conditions captures data showing when the alarm condition occurred,' he added.

The Thermoview Pi20 camera and Datatemp Pi software are designed for use in diverse and often rugged industrial settings. During solar module testing, for example, the thermal imaging system allows early detection of defective solar cells. It also enables manufacturers to improve productivity and energy generation from solar modules. In the tobacco industry, the system helps to reduce waste from improperly dried tobacco and prevent fires caused by smouldering tobacco stored in bunkers. The thermal imaging camera and software also detect unquenched clinkers on coke conveyers, and identify hot spots during pressboard production and garbage incineration.

Featuring an IP54 rating, the rugged Thermoview Pi20 camera is offered in two temperature ranges: -40 to 500C (-40 to 932F) and 200 to 2,000C (392 to 3,632F). For each temperature range, two lens options are available: 21.7 x 16deg or 30 x 22deg. The Thermoview Pi20 provides easy networking over long distances using a standard Ethernet interface, which transmits up to 30 frames per second of imaging data from the camera. Additional fibre-optic Ethernet accessories enable Ethernet cable runs beyond 90m (300ft), eliminating the need to place the PC operating Datatemp Pi software in a hazardous area.

The Thermoview Pi20 camera is easily interfaced to the DataTemp Pi software for real-time viewing, archiving and playback of online and offline thermal images. The DTPi supports up to 16 Pi20 cameras simultaneously in a single software package where each camera can have up to 192 process alarms to be assigned as relay outputs. As a result, users can minimise the total system footprint on the factory floor and control room with a single PC installation. The software is designed to be set up and operational within minutes.

The system enables a reduction in product scrap by providing alarm outputs immediately when they occur, anywhere on the product. DTPi software interfaces to remote I/O modules can be employed as triggering inputs, allowing for file saving or other application events to occur.

Raytek offers accessories for the thermal imaging solution to provide protection for hardware in dirty, high-temperature environments. They include an IP65 (NEMA 4)-rated protective enclosure with integrated cooling and air-purge options; a junction box to house I/O module accessories, a DIN rail industrial power supply and other accessories. The Pi20 camera is also available with fibre-optic Ethernet cable and converters for extended cable runs, as well as a mounting bracket - allowing easy base and tripod mounting.

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