“Systems control centers --- are designed specifically for the asphalt industry with an emphasis on rugged construction, operator comfort and logical integration of the plant controls” says Kenneth Cardy, president of Libra Systems. “These systems run and monitor all plant functions from a standard PC, including blending operations, plant motors, motor currents, mix and plant temperatures, material inventory, silo levels, energy usage and alarm status.” The latest innovations in asphalt plant automation can be attributed to the demand for more mixes using more types of ingredients that need to be carefully blended together in the process. "A reliable controls system is an absolutely necessary component in producing high quality mix today," says Lien Gangte, controls engineer at Astec . "It is not sufficient by itself but without it quality becomes a dicey game at best." Since some of these mixes are being designed for government agencies that require strict compliance, automation systems assist the plant operator in keeping the plant running; and also for the company owner to combine all the ingredients and to ensure the mix meets the required specs. Click Here For Complete Article Text
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