Mitsubishi Electronics 882.00207.00 Percentage Mode Most common in extrusion and blow molding

Page 53

“Percentage” Mode (Most common in extrusion and blow molding)

Extrusion processing often requires recipes in percentage format, especially if regrind is not involved, i.e. blown or cast film.

In this mode, operators enter in values for each hopper up to 100%. The total of all the hoppers must equal 100%. If they don’t, an error message appears on the Recipe screen and prevents the recipe from being accepted. All hoppers are a percentage of the total batch size.

Note: All ingredients are weighed as a percentage of the total batch. “Parts” Mode (Often used in Compounding Applications)

The “Parts” recipe entry mode lets the operator enter in values based on a parts ratio rather than a percentage. Each entry can be up to 999.99 and the total of all hoppers does not have to be 100. After all values are entered, the total parts are calculated. The individual hopper target is then calculated based on each hopper’s entered parts. These parts represent ratios of the total batch. For instance: Hop 1=300 parts, Hop 2=100 parts, Hop 3=10 parts, Hop 4=5 parts. This would mean that if the batch was divided into 415 parts, then Hop 1 would make up 300 of those parts, Hop 2 would make up 100, Hop 3 10 parts, and Hop 4 5 parts.

Note: The preset part will be divided by the total of all parts, with each part representing the calculated weight for ratio control.

Figure 37: Example Calculations of a 4-component blend in “Parts” mode

Feeder Tag

 

Preset Part

Calculated Weight

 

(Ratio Control)

 

 

 

Virgin

#1

7,200

7,200/10,000

Regrind

#2

2,000

2,000/10,000

Color

#3

500

500/10,000

Additive

#4

300

300/10,000

Total:

 

10,000

 

Current Recipe Menu

Throughout the menu structure, the top left corner of the display will list the name of the current screen that you are in. Each individual button will indicate instructions for keystrokes. In the Recipe Format menu shown on the previous page, pressing on the mode button displayed at the top of the screen will show the Current Recipe menu.

Note: The blender will always run the percentages shown in the Current Recipe menu display.

Switching Modes

Recipe Modes can be switched while the blender is making a batch. At any time the operator can switch the recipe entry mode without affecting the current batch being made. The recipe mode is part of the “New Recipe” and is separate from the running recipe.

Recipe Setup

Batch Size

The Slide Gate/Auger blending system is a gravimetric batching system. The blender will weigh a preprogrammed batch of material each cycle. This batch size is determined by the blender’s weigh hopper size, the current recipe, and the bulk density of the ingredients.

Bulletin Number

Chapter 4: Operation

52 of 102

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Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Parts and Service Department Event of Shipping Damage Unpacking and InspectionIf the Shipment is Not Complete If the Shipment is Not CorrectCredit Returns Warranty ReturnsReturns 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 CodesOperator Responsibility ResponsibilityGeneral Responsibility Remember Reporting a Safety Defect Maintenance ResponsibilityCustomer Service AccessoriesModels Covered in This Manual General DescriptionEquipment Specifications Controller Features Typical Features and ComponentsMechanical Features Supply Hoppers System Component DescriptionSlide Gates Weigh Hopper Typical Slide Gate AssemblyTypical Weigh Hopper Assembly Operator Control Panel Display Mix ChamberFunction Typical Operator Screens Typical Setup Screens Bulletin Number Functional Description Pneumatic Slide Gate below Mixer Optional ComponentsLow Level Sensors Mezzanine and Floor StandsTake-off Compartments Regrind Auger Metering R.A.M. HopperAdditive Feeder Hopper Safety Circuit Standards Safety FeaturesSafety Device Lock-Outs Fail Safe OperationTwist 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 InstallationMachine Mount Mounting ConfigurationsSite Requirements Typical Mezzanine Mounted Batch Blender Mezzanine MountTypical Floor Mount Central Blender Layout Floor Mount Central BlenderPneumatic Connections Electrical ConnectionsStroke Limiters for Metering Gates Initial Set-upMechanical Set-up Weigh Hopper Final Connections Weigh Hopper InstallationController 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 Start-up Quick Start ProcedureGeneral Operation New RecipesExisting Recipes Operation ProceduresTypical Recipe Entry Operator Screen Operator DisplaysRecipe Entry Formats Typical Inventory Display Operator ScreenRecipe Format Menu Quickset Mode Most common in injection molding Example Calculations of a 5-component blend in Quickset mode Switching Modes Percentage Mode Most common in extrusion and blow moldingRecipe Setup Current Recipe MenuInventory Shutdown Typical Batch Sizes Blender Batch Size lbsMixer and Dump Setup Weigh Hopper Dump Time Re-Mix TimerWeigh Hopper Dump Delay Time Mixer Dump Time Alarm FlagsWeigh Hopper Dump Cycle Calibration Error Typical PLC Battery Low Alarm Screen Feeder Clean Out Recipe Book Tree Diagram in -5 of this manualLoad a Saved Recipe from the Book Display Recipe ContentsSave Running Recipe to the Book Color Changes Erase Recipe or Entire BookTypical Inventory Shutdown Operator Screen Shut-downSample Preventative Maintenance Schedule Preventative Maintenance ScheduleCorrective Maintenance Preventative MaintenanceElectrical Internal Components of the Control PanelOutput Signals from Programmable Controller Input Signals to Programmable ControllerIntroduction TroubleshootingProblem Corrective action Problem Corrective action Warranty will be voided Service Department Warranty Specifications WarrantyWarranty Restrictions Warranty LiabilitiesCustomer Responsibilities Technical SpecificationsEquipment Specifications Annex 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 ListingProgrammable Settings Addendum Service Supervisor InformationPasswords Metering Test Screen Factory Setup MenuAdvanced Weight Options Screen Feed Calibration Options Screen Feed Algorithm Options ScreenMechanical Options Screen Feeder SetupUnits Customer Setup MenuAlarm Log Typical Alarm Flags & Feeder Setup ScreenRecipe Format 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 ExplanationUntil the Hopper Feeds Material Into the NEW Batch Technical Assistance Service Department Sales DepartmentParts Department Contract Department
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882.00207.00 specifications

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