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Brazil is the second largest producer and consumer - and fourth largest exporter - of ceramic tiles in the world. Natural gas is the main source of energy for kilns in this industry, and also one of the items that has the largest share of the cost of the finished product.
A ceramic tile company located in São Paulo was in the process of modernizing its main kiln. The company intended to deactivate two smaller kilns and reduce its gas consumption, whose bill was close to U$ 100,000 per month. Upgraded, the larger kiln should be able to meet all the company production requirements and to controlling 38 heating meshes. The gas feed in the larger kiln burners was controlled by obsolete equipment that needed to be upgraded.
The N2000s, a PID controller specifically designed for actuation of servomotor valves, has emerged as the ideal solution to the problem. Also a device was required to connect the controllers with the supervisory software. The chosen device for this purpose was DigiGate, which acts as a gateway for connection between a Profibus network and a Modbus RTU network. DigiGate's choice enabled N2000s controllers to communicate with a data acquisition and monitoring system via the PROFIBUS-DP protocol, indicating the operating status of each controller, as well as recording application information on a data server.
By upgrading of the main kiln, it became possible for the company to manufacture more than one type of ceramic tile on the same line, lowering production costs. The reduction in gas consumption has also fallen by half after deactivating the two smaller kilns. NOVUS’ sales consultant involved in the negotiation with the tile company Gabriel Dallacqua points out that the reformulation of processes is a business need, especially during crisis. He explains that the companies opt for system integrators who transmit confidence and security, in addition to offering quality solutions. All these characteristics, plus the offer of exclusive products for the segment, were the differentials that made the company adopt the solution of NOVUS and have achieved the modernization of its main kiln and consequently money savings.
According the European market director Valério Galeazzi, the Hannover Messe is an important meeting point: "We have received distributors who visited us because their customers are asking for NOVUS brand products."
Being only 35mm deep, N1030 is a compact, high-performance PID temperature controller with an excellent cost-benefit ratio.
Communication with machinery and control and measuring instruments is the basis of industrial automation. The oldest communication technique implemented is a current loop with a normal range of 4 mA to 20 mA. By employing a transmitter, a receiver and a power supply, it is possible to transmit process variable data. However, the single loop allows only one-way communication from a sensor to an actuator. Developed in the mid-1980s, the HART protocol allows two-way communication of additional information
Does the calibration certificate alone guarantee the reliability of the process? Without a more systemic analysis it does not ensure suitability for an evaluation process, nor does it ensure a high level of quality for your product. The calibration certificate alone just certifies that your equipment has been compared to a reference standard. The correct use of statistical techniques and a standards-based analysis can help make metrology a revenue-generating activity for the company.
The world's largest trade fair will take place from April 1st to 5th. NOVUS will be exhibiting in hall 11, stand D28, and the visitation can be made from 9am to 6pm local time.
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