Mitsubishi Electronics 882.00207.00 specifications Typical Slide Gate Assembly, Weigh Hopper

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Figure 6: Typical Slide Gate Assembly

Each of the diamond gate air cylinders is actuated by a solenoid valve, which is controlled by the blender controller.

When the solenoid valve is energized, it opens the metering valve cylinder. When the solenoid valve is de-energized, it closes the metering valve cylinder.

If the power is interrupted to the blender, the metering valves will return to the closed position to prevent material from over-filling the weigh hopper/mix chamber.

Caution! If the blender is in metering mode with one of the slide gates open, do not open the front door of the blender!

Note: The safety switch shuts off the air supply to the blender. An open feeder slide gate stays open and an overflow of the weigh hopper can occur.

Weigh Hopper

The weigh hopper on the Slide Gate/Auger blender is used to weigh each batch of material and includes an air-operated discharge valve. After the batch is weighed and the level sensor in the lower mix section is uncovered, the valve will open and discharge the batch into the mixer with the existing blended material. The discharge valve is also provided with a quick disconnect so the weigh hopper can be removed for cleaning.

On a Slide Gate blender, the weigh hopper rests on each side on a precision cantilever load cell. To remove the weigh hopper, lift the hopper from the bottom, hold the dump door closed, and slide it out once clear of the locating tab on the bracket above the load cell.

Once the hopper has been cleaned, reposition it onto the load cell brackets, using care not to damage the load cells. Position the hopper as close to the center position between the load cells as possible.

Caution! Use care when replacing the weigh hopper, since the load cells are delicate weighing instruments and can be easily damaged. Do not use force to push in the weigh hopper. If it is positioned properly, it will slide in very easily.

Note: Load cells, if damaged, will have to be sent back to the manufacturer for testing and evaluation.

882.00207.00

Chapter 2: Functional Description

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Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Parts and Service Department If the Shipment is Not Correct Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not CompleteReturns Warranty ReturnsCredit Returns Table of Contents Maintenance Customer Responsibilities Technical Specifications Safety Symbols Used in this Manual How to Use This ManualSafety Tags and Warning Labels Description Wear Safety Glasses and Work Gloves Follow all Safety CodesGeneral Responsibility ResponsibilityOperator Responsibility Remember Reporting a Safety Defect Maintenance ResponsibilityGeneral Description AccessoriesCustomer Service Models Covered in This ManualEquipment Specifications Mechanical Features Typical Features and ComponentsController Features Supply Hoppers System Component DescriptionSlide Gates Weigh Hopper Typical Slide Gate AssemblyTypical Weigh Hopper Assembly Operator Control Panel Display Mix ChamberController Pushbuttons & Touchscreen Tags Button Function Typical Operator Screens Typical Setup Screens 882.00207.00 Functional Description Mezzanine and Floor Stands Optional ComponentsPneumatic Slide Gate below Mixer Low Level SensorsAdditive Feeder Hopper Regrind Auger Metering R.A.M. HopperTake-off Compartments Fail Safe Operation Safety FeaturesSafety Circuit Standards Safety Device Lock-OutsTwist Cap Plug Connected to Each Feeder Auger Motor Electrical Disconnect PlugElectrical Safety Interlock Switch Located on mixer door Electric Safety Interlock SwitchUncrating the Equipment Mechanical InstallationSite Requirements Mounting ConfigurationsMachine Mount Typical Mezzanine Mounted Batch Blender Mezzanine MountTypical Floor Mount Central Blender Layout Floor Mount Central BlenderPneumatic Connections Electrical ConnectionsMechanical Set-up Initial Set-upStroke Limiters for Metering Gates Weigh Hopper Final Connections Controller Set-up Display Main Recipe ScreenRecipe Page Start Blender Controller Menu StructureBlender Calibration Display Calibration Menu Screen Feeder Calibration Auger Blenders Alarm SetupSetting Date and Time Network SetupAdditional Setup Parameters Initial Startup New Recipes Quick Start ProcedureStart-up General OperationExisting Recipes Operation ProceduresOperator Displays Typical Recipe Entry Operator Screen Recipe Entry Formats Typical Inventory Display Operator ScreenRecipe Format Menu Quickset Mode Most common in injection moldingExample Calculations of a 5-component blend in Quickset mode Recipe Setup Inventory Shutdown Typical Batch Sizes Blender Batch Size lbsMixer and Dump Setup Weigh Hopper Dump Delay Time Re-Mix TimerWeigh Hopper Dump Time Hopper 1-6 Out of Material Alarm FlagsWeigh Hopper Dump Cycle Mixer Dump TimeCalibration Error, Clean out Hopper and Check Calibration Max Hopper Weight Exceeded, Check Batch SizePower Interruption while metering a Batch Stop Screen PLC Battery LowBlender Powered On/Off Inventory ClearedFeeder Clean Out Recipe Book Diagram in -5 of this manualSave Running Recipe to the Book Display Recipe ContentsLoad a Saved Recipe from the Book Color Changes Erase Recipe or Entire BookTypical Inventory Shutdown Operator Screen Shut-downSample Preventative Maintenance Schedule Preventative Maintenance ScheduleInternal Components of the Control Panel Preventative MaintenanceCorrective Maintenance ElectricalOutput Signals from Programmable Controller Input Signals to Programmable ControllerIntroduction TroubleshootingProblem Corrective action Problem Corrective action Controller warranty will be voided Problem Corrective action Warranty Liabilities WarrantyWarranty Specifications Warranty RestrictionsEquipment Specifications Technical SpecificationsAnnex B Information Final Assembly Drawings and DiagramsMixer Sub-Assembly Typical Mixer Assembly Parts List Typical Hopper Assembly Parts List Hopper Sub-AssemblyTypical R.A.M. Hopper Assembly Parts List Hopper R.A.M. Regrind Auger Metering Sub-Assembly OptionalTypical Additive Feeder Hopper Assembly Parts List Hopper Additive Feeder Sub-Assembly OptionalTypical Weigh Hopper Assembly Parts List Weigh Hopper Sub-AssemblyTypical Slidegate Assembly Parts List Slide Gate Sub-AssemblyTypical Knife Gate below mixer Assembly Parts List Knife Gate Sub-Assembly HD OptionalTypical Knife Gate floor stand Assembly Parts List Knife Gate Sub-Assembly RD OptionalControl Panel Layout Typical Mitsubishi Controller Main Parts ListSpare Parts Kits Blender Spare Parts ListingPasswords Addendum Service Supervisor InformationProgrammable Settings Advanced Weight Options Screen Factory Setup MenuMetering Test Screen Feed Calibration Options Screen Feed Algorithm Options ScreenMechanical Options Screen Feeder SetupUnits Customer Setup MenuTypical Alarm Flags & Feeder Setup Screen Alarm LogReport Setup Factory Default Setup ParametersLoadcell Calex Module Dipswitch Settings General Blender Info Mitsubishi Communications ManualBlender Alarms Inventory Info Recipe Info this is Where YOU Right the NEW Recipe to Recipe Book Manipulation Fixed Decimal Explanation Alarm Number ExplanationRecording the Targets VS. Actuals for Each Batch Contract Department Service Department Sales DepartmentTechnical Assistance Parts Department882.00207.00 Appendix 102
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882.00207.00 specifications

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