NEW PLC CONTROL SYSTEM REGULATES PRODUCT FLOW AND TEMPERATURE LEVELS Boiler Case Study Honey Plant Food Processor San Bernardino, CA Controls Upgrade Customer Application The San Bernardino honey plant processes 100 percent all-natural honey in California and the Midwest. Key Challenges With existing controls, the honey plant was unable to adequately regulate honey flow due to fluctuating temperatures and honey levels. The company reviewed many controllers, but none established the proper level of honey needed in each tank. After designing and installing a new PLC system, R.F . MacDonald Co. overcame the tank-level-control challenge with flange-mounted level transmitters. Installation of the Allen-Bradley PLC control system and configuration of WonderWare monitoring softw

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