Sterling Plumbing 882 00276.00 specifications Operation Extrusion Constant

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Operation – Extrusion - Constant

1.Ensure that the unit is properly installed (Section 3.1), a recipe is entered (Section 3.4.1), and the feeder is calibrated (Section 3.6), before attempting to begin operation.

2.If desired, clear the totalizer by pressing continuously for 5 seconds until the display is reset to “00.00.”

3.Place the Digital Dosing unit into operation by pressing . The green LED will light when the unit is ready to dose, but the Digital Dosing unit will not feed until the extruder begins operation.

4.Start the extruder. The Digital Dosing unit will begin dosing material as soon as the extruder starts. If the unit is installed properly, the process machine symbol will light on the controller when the extruder starts. The disc symbol will light when the Digital Dosing unit is dosing material.

5.To stop the dosing process while the extruder is operating, press . The Digital Dosing unit will automatically stop dosing when the extruder stops.

6.While the unit is dosing, depending on software revision, the current recipe can be

viewed but not modified, by pressing . In some software versions, the percent additive can be changed while the unit is dosing.

NOTE: See Appendix A, Troubleshooting, for information on problems or errors encountered and their resolution.

Digital Dosing Units

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Contents SDD Series Digital Dosing Additive Feeders Table of Contents Introduction Digital Dosing Units Keypad and LED Display ControllerKeys and Symbols Symbols Quick Start-up UnpackingMounting DD Discs Calibration Number Recipe Setup for Injection MoldingDT Discs Calibration Number DP DiscsCalibration Recipe Setup for ExtrusionDigital Dosing Units Input Number Manufacturer Motor ColorDigital Dosing Units Digital Dosing Units Digital Dosing Units RPM Digital Dosing Units Digital Dosing Units Digital Dosing Units Initial Installation Initial Installation and OperationElectrical Diagram Electrical diagram of connectionsExtruder Follower Interface Signal Converter Diagram of analog inputsSignal Converter with AC Power Supply Signal Converter with DC Power Supply VDC Mini Power SupplyInitial Operation Recipe Input Injection Molding Injection MoldingStep Step Step Operation Injection Molding Recipe Input Extrusion Constant Extrusion Constant StandardExtrusion Constant, parameter 3 is skipped Step Step Operation Extrusion Constant Recipe Input Extrusion Proportional Extrusion Proportional Extruder Follower OptionStep Step Operation Extrusion Proportional Extruder Follower Option Calibration Determining the Calibration WeightRepeat steps 3 and 4 four 4 more times Digital Dosing Units Advanced Operations/ Control Functions Recipe Storage and RecallRecipe Storage Recipe Recall Clearing the Totalizer Acknowledging AlarmsLevel switches probes AlarmsCommunication Protocol Interfaces Maintenance Intervals MaintenanceRemoving the Shear plate DD feeder only Removing the shear plateCleaning the DD Digital Dosing Station Installing the shear plateDismantling the Dosing Station Installing the Dosing Station Installing the Dosing Disc Changing the Dosing Disc in the DT Digital Dosing StationRemoving the Dosing Disc Installing Different Types of Dosing Discs Removing / Replacing the Wiper in the DT Dosing StationDD Discs Cleaning the DT Dosing Station Exchangeable Stations DP Discs CalibrationDisc See Appendix D for fuse part numbers Replacing FusesAppendix a Troubleshooting General Troubleshooting Unit Will Not OperateMalfunctions Error Codes Error Codes Recipe Formulas Determining the Software Setup FactorInjection Molding Recipe Limitations for Injection MoldingRecipe Limitations Extrusion ExtrusionAppendix B Basic Parameter Settings Extrusion ModeMax. input frequency = Hz Example Probe Example Digital Dosing Units Disc Dosing Factor Disc Guide 20 kg/h DT30 204010F Default Calibration # 150 grams/rev One 1 for Granule Disc Dosing Factor TableProcessing Option Hopper Level Probe VirginStarter Calibration Parameters Set-up of Factory Set Operating Parameters Ext = Span factor sf calculated using sf=1000/rpm@10vdc Page Station 1 Digital Dosing Unit Side View TOP View Station 2 Digital Dosing UnitGeneral Wiring Diagram for Bauer Motor Page C150 Controller Injection Appendix D Spare Parts List Replacement Motor Order NumbersDosing Disc/Shear Order Numbers Control System Order Numbers Page Technical Assistance Service DepartmentParts Department Sales Department