Updated Controller for Sealed Gravimetric Liquid Color and Additives System
NPE2024: Riverdale Global’s new RGS controller features and intuitive set-up procedure.
An updated controller with an intuitive setup procedure has been launched by Riverdale Global for its RGS Riverdale Gravimetric complete sealed delivery system for liquid color and additives. The RGS controller’s touch screen interface now enables quick access to process settings such as throughput, shot size, let down ratio and weight per gallon. Current settings/recipes can easily be saved thus reducing any input error. The system automatically adjusts to screw recovery time and extruder output and can automatically re-calibrates to new color, so no additional setup is required. Onscreen runtime graphical performance reporting allows real time information for precise metering rates.
The new controller now comes with an optional barcode scanner or RFID reader for automatically reading process settings to avoid operator mis-keyed input. A USB port allows data download, data printout and software update capability. As with previous models the system easily communicates with GlobalTracker to track usage and color by work orders, operator IDs, as well as lot numbers. The automatic speed control with self-adjusting accuracy is versatile for all types of processes including injection, blow molding, and extrusion applications. Benefits of this accuracy include proven loss-in-weight technology that ensures continuous accuracy and precisely measures the amount of additive used to eliminate costly waste. Other benefits include automatic calibration and automatic adjustments which guarantee that feed rate is held to within ± 0.2% of desired let-down ratio; dual load cells; extreme accuracy with 1:250,000 scale resolution; and, imperviousness to large temperature swings
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