Mitsubishi Electronics 882.00207.00 specifications Typical Weigh Hopper Assembly

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Figure 7: Typical Weigh Hopper Assembly

The weigh hopper dump door holds the material until it is dumped into the mixing section. The cylinder is actuated by a solenoid in the valve stack on the side of the blender.

In looking at the pneumatic circuit, you can see that the air regulator controls the flow of air to the valve stack. When the weigh hopper discharge cylinder solenoid valve is not electrically energized, it will provide air pressure to the air cylinder and hold the shaft in an extended position, holding the dump valve closed.

When the air cylinder is actuated, the air pressure to the dump valve will be removed, causing it to open.

The air cylinder on the weigh hopper includes a spring return to allow the cylinder to retract in the absence of air pressure on the cylinder. This will cause the dump valve to open.

Caution! The pneumatic system used on the Slide Gate blender, like all pneumatic systems, is highly sensitive to oily, dirty, wet or contaminated air. If oil, dirt, water, or any other air-borne contaminates enter the system, the components could be damaged and injury to the operator could result. A proper air supply must be supplied to the blender.

When the safety circuit is disabled, the air pressure to the cylinder will drop off by shutting off all the air supply to the valve stack with the pilot operated master air valve. This will also cause the weigh hopper discharge door to open.

882.00207.00

Chapter 2: Functional Description

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Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Parts and Service Department Unpacking and Inspection Event of Shipping DamageIf the Shipment is Not Complete If the Shipment is Not CorrectCredit Returns Warranty ReturnsReturns Table of Contents Maintenance Customer Responsibilities Technical Specifications How to Use This Manual Safety Symbols Used in this ManualSafety Tags and Warning Labels Description Follow all Safety Codes Wear Safety Glasses and Work GlovesOperator Responsibility ResponsibilityGeneral Responsibility Remember Maintenance Responsibility Reporting a Safety DefectAccessories Customer ServiceModels Covered in This Manual General DescriptionEquipment Specifications Controller Features Typical Features and ComponentsMechanical Features System Component Description Supply HoppersSlide Gates Typical Slide Gate Assembly Weigh HopperTypical Weigh Hopper Assembly Mix Chamber Operator Control Panel DisplayController Pushbuttons & Touchscreen Tags Button Function Typical Operator Screens Typical Setup Screens 882.00207.00 Functional Description Optional Components Pneumatic Slide Gate below MixerLow Level Sensors Mezzanine and Floor StandsTake-off Compartments Regrind Auger Metering R.A.M. HopperAdditive Feeder Hopper Safety Features Safety Circuit StandardsSafety Device Lock-Outs Fail Safe OperationElectrical Disconnect Plug Twist Cap Plug Connected to Each Feeder Auger MotorElectric Safety Interlock Switch Electrical Safety Interlock Switch Located on mixer doorMechanical Installation Uncrating the EquipmentMachine Mount Mounting ConfigurationsSite Requirements Mezzanine Mount Typical Mezzanine Mounted Batch BlenderFloor Mount Central Blender Typical Floor Mount Central Blender LayoutElectrical Connections Pneumatic ConnectionsStroke Limiters for Metering Gates Initial Set-upMechanical Set-up Weigh Hopper Final Connections Display Main Recipe Screen Controller Set-upBlender Controller Menu Structure Recipe Page StartBlender Calibration Display Calibration Menu Screen Alarm Setup Feeder Calibration Auger BlendersNetwork Setup Setting Date and TimeAdditional Setup Parameters Initial Startup Quick Start Procedure Start-upGeneral Operation New RecipesOperator Displays Operation ProceduresExisting Recipes Typical Recipe Entry Operator Screen Typical Inventory Display Operator Screen Recipe Entry FormatsQuickset Mode Most common in injection molding Recipe Format MenuExample Calculations of a 5-component blend in Quickset mode Recipe Setup Typical Batch Sizes Blender Batch Size lbs Inventory ShutdownMixer and Dump Setup Weigh Hopper Dump Time Re-Mix TimerWeigh Hopper Dump Delay Time Alarm Flags Weigh Hopper Dump CycleMixer Dump Time Hopper 1-6 Out of MaterialPower Interruption while metering a Batch Max Hopper Weight Exceeded, Check Batch SizeCalibration Error, Clean out Hopper and Check Calibration PLC Battery Low Blender Powered On/OffInventory Cleared Stop ScreenFeeder Clean Out Diagram in -5 of this manual Recipe BookLoad a Saved Recipe from the Book Display Recipe ContentsSave Running Recipe to the Book Erase Recipe or Entire Book Color ChangesShut-down Typical Inventory Shutdown Operator ScreenPreventative Maintenance Schedule Sample Preventative Maintenance SchedulePreventative Maintenance Corrective MaintenanceElectrical Internal Components of the Control PanelInput Signals to Programmable Controller Output Signals from Programmable ControllerTroubleshooting IntroductionProblem Corrective action Problem Corrective action Controller warranty will be voided Problem Corrective action Warranty Warranty SpecificationsWarranty Restrictions Warranty LiabilitiesTechnical Specifications Equipment SpecificationsAnnex B Information Drawings and Diagrams Final AssemblyMixer Sub-Assembly Typical Mixer Assembly Parts List Hopper Sub-Assembly Typical Hopper Assembly Parts ListHopper R.A.M. Regrind Auger Metering Sub-Assembly Optional Typical R.A.M. Hopper Assembly Parts ListHopper Additive Feeder Sub-Assembly Optional Typical Additive Feeder Hopper Assembly Parts ListWeigh Hopper Sub-Assembly Typical Weigh Hopper Assembly Parts ListSlide Gate Sub-Assembly Typical Slidegate Assembly Parts ListKnife Gate Sub-Assembly HD Optional Typical Knife Gate below mixer Assembly Parts ListKnife Gate Sub-Assembly RD Optional Typical Knife Gate floor stand Assembly Parts ListTypical Mitsubishi Controller Main Parts List Control Panel LayoutBlender Spare Parts Listing Spare Parts KitsProgrammable Settings Addendum Service Supervisor InformationPasswords Metering Test Screen Factory Setup MenuAdvanced Weight Options Screen Feed Algorithm Options Screen Feed Calibration Options ScreenFeeder Setup Mechanical Options ScreenCustomer Setup Menu UnitsAlarm Log Typical Alarm Flags & Feeder Setup ScreenFactory Default Setup Parameters Report SetupLoadcell Calex Module Dipswitch Settings Mitsubishi Communications Manual General Blender InfoBlender Alarms Inventory Info Recipe Info this is Where YOU Right the NEW Recipe to Recipe Book Manipulation Alarm Number Explanation Fixed Decimal ExplanationRecording the Targets VS. Actuals for Each Batch Service Department Sales Department Technical AssistanceParts Department Contract Department882.00207.00 Appendix 102
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882.00207.00 specifications

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