Mitsubishi Electronics 882.00273.00 specifications Problem, Corrective action

Page 69
Manual background

Problem

Corrective action

 

Check the blender’s scale calibration and verify that the batch

 

hopper is not overfilling. If the hopper is overfilling, adjust your

Recorded Inventory Totals don’t

batch size. If this is correct, then you are probably not accounting

match what I’ve actually used

for material scrap or other items in your process.

 

Some error can be introduced by not weighing every batch. Check

 

the Recipe Page.

 

 

Max Hopper Weight Exceeded

Stop the Blender and the Start it again. This causes the blender to

perform an automatic feeder calibration. If this doesn’t fix it, then

Alarm continues to re-occur.

manually perform feeder calibrations and retest.

 

 

 

 

The blender intermittently dumps a batch of material with one or

 

more of the components incomplete.

 

 

Blender occasionally dumps an

Check the recipe information; ensure that both the percentages and

batch size are set properly.

incorrect batch.

 

 

Check the status of the alarm flags & Feeder Setup to ensure that

 

all of the feeders are set to Retry. In addition, if the blender is

 

configured for timed batches then this can cause error.

 

 

 

Check supply hopper ventilation to prevent problem associated

 

with leaky vacuum receiver flappers.

 

 

 

Check the mixer high-level switch sensitivity. When the sensor is

 

covered by material, the indicator lamp on the back of the switch

 

should be lit. To adjust the sensitivity, use the small adjustment

Blender keeps dumping after

screwdriver that was provided with the blender. The adjustment

pot is located on the back of the sensor. Rotate clockwise to

mixer is full.

increase the sensitivity (less material in front of the switch to

 

 

actuate it). Rotate counter clockwise to decrease the sensitivity

 

(more material covering the switch).

 

 

 

Check the mixer high-level sensor connection to the control panel.

 

 

 

Check the mixer high-level switch sensitivity. Fines may have

Blender will not batch with

coated the level switch; it needs readjustment.

 

Check the proximity switch connection.

empty mixer.

Make sure that the recipe is correct.

 

 

 

 

Check batch size.

 

 

 

 

BF1-615.3

Chapter 6: 5BTroubleshooting

69 of 101

Image 69
Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Write Down Your Serial Numbers Here For Future ReferencePart Number Bulletin Number BF1-615.3 Effective 11/07/07 We are committed to a continuing program of product improvementUnpacking and Inspection Shipping InfoIn the Event of Shipping Damage If the Shipment is Not CompleteCredit Returns Warranty ReturnsCHAPTER 1 SAFETY Table of ContentsCHAPTER 3 INSTALLATION CHAPTER 2 FUNCTIONAL DESCRIPTIONCHAPTER 6 TROUBLESHOOTING CHAPTER 5 MAINTENANCECHAPTER 4 OPERATION CHAPTER 7 APPENDIXHopper Additive Feeder Sub-Assembly Optional Chapter 1 Safety 1-1 How to Use This ManualSafety Symbols Used in this Manual Description Figure 1 Safety Tags and Warning LabelsCAUSING BODILY INJURY EXISTS ANY TIME THE POWER IS ON 1-2 Warnings and PrecautionsWear SAFETY GLASSES and WORK GLOVES Use care when LOADING, UNLOADING, RIGGING, or MOVING this equipment1-3 Responsibility General ResponsibilityOperator Responsibility REMEMBER Reporting a Safety Defect Maintenance ResponsibilityCustomer Service AccessoriesChapter 2 Functional Description 2-1 Models Covered in This ManualFigure 3 Typical Blender Assembly Figure 2 Equipment SpecificationsDimensions and Specifications 2500Mechanical Features 2-3 Typical Features and ComponentsController Features Figure 4 Typical Mitsubishi Controller Touch Screen DisplayFigure 5 Typical Hopper Assembly System Component DescriptionSupply Hoppers Slide Gates Weigh Hopper Figure 6 Typical Slide Gate AssemblyFigure 7 Typical Weigh Hopper Assembly Figure 8 Typical Mixer Assembly Mix ChamberOperator Control Panel Display Figure 10 Controller Pushbuttons & Touchscreen Tags Figure 9 Typical Mitsubishi Controller Touch Screen DisplayButton Function22 of Figure 11 Typical Operator Screens23 of Figure 12 Typical Setup Screens24 of 2-4 Optional Components Figure 13 Mixer Slide Gate Switch PositionsPneumatic Slide Gate below Mixer PositionFigure 16 Typical Additive Feeder Configuration Figure 15 Typical R.A.M. Hopper Blender ConfigurationRegrind Auger Metering R.A.M. Hopper Additive Feeder HopperSafety Circuit Standards 2-5 Safety FeaturesSafety Device Lock-Outs Fail Safe OperationFigure 17 Electrical Disconnect Plug Twist Cap Plug Connected to Each Feeder Auger MotorFigure 18 Twist Cap Plug Figure 19 Electrical Safety Interlock Switch Located on mixer door Electric Safety Interlock Switch3-2 Mechanical Installation Chapter 3 Installation3-1 Uncrating the Equipment Figure 20 Blender Lifting Lugs 1 on each sideMounting Configurations Site RequirementsMachine Mount Mezzanine Mount Note Larger blenders need to be braced as part of the installationFigure 21 Typical Mezzanine Mounted Batch Blender GRAVIMETRIC BATCH BLENDER MEZZANINE SUPPLIED BY CUSTOMERFigure 22 Typical Floor Mount Central Blender Layout Floor Mount Central Blender3-3 Electrical Connections 3-4 Pneumatic ConnectionsFigure 23 Customer-Supplied Pneumatic Components Mechanical Set-up 3-5 Initial Set-upStroke Limiters for Metering Gates Figure 24 Stroke LimitersFigure 25 Weigh Hopper Weigh Hopper InstallationFinal Connections Figure 26 Display Startup ScreenController Set-up Figure 27 Display Main Recipe ScreenBlender Controller Menu Structure Blender Calibration Figure 29 Display Calibration Screen Figure 28 Display Calibration Menu ScreenEnter in the Calibration Weight Press here to perform the calibration Current Loadcell Bits Follow InstructionsFigure 30 Display Alarm Flags & Feeder Setup Screen Alarm SetupFeeder Calibration Auger Blenders Select a Feeder to Configure Change the Alarm Silence DelayFigure 31 Ethernet Setup Screen Network SetupSetting Date and Time Figure 32 PanelView Configuration ScreenAdditional Setup Parameters 3-6 Initial Startup Chapter 4 Operation Quick Start Procedure4-1 Start-up General Operation4-2 Operation Procedures Existing RecipesNote Press “Push to Start or Stop” button to start blender Operator Displays Figure 33 Typical Recipe Entry Operator ScreenFigure 34 Typical Manual Control Operator Screen Recipe Entry Formats Figure 35 Typical Inventory Display Operator ScreenRecipe Format Menu “Quickset” Mode Most common in injection molding Page Recipe Setup Switching Modes“Percentage” Mode Most common in extrusion and blow molding Figure 37 Example Calculations of a 4-component blend in “Parts” modeBlender Figure 38 Typical Batch SizesBatch Size lbs Inventory ShutdownMixer and Dump Setup Auto Start FeatureMix Timer Figure 40 Typical Mixer and Dump Setup Operator ScreenRe-Mix Timer Weigh Hopper Dump TimeWeigh Hopper Dump Delay Time Figure 41 Typical “Out of Material” Alarm Screen Alarm FlagsWeigh Hopper Dump Cycle Mixer Dump TimeMAX HOPPER WEIGHT EXCEEDED check batch size Figure 42 Typical “Maximum Hopper Weight” Alarm ScreenFigure 43 Typical “Calibration Error” Alarm Screen Figure 44 Typical “Power Interruption” Alarm ScreenFigure 45 Typical “PLC Battery Low” Alarm Screen PLC BATTERY LOWFigure 46 Typical “E-Stop Activated” Alarm Screen Figure 47 Typical Manual Control Operator Screen Feeder Clean OutTree Diagram in section 3-5 of this manual Recipe BookFigure 48 Typical Recipe Book Operator Screen Display Recipe ContentsSave Running Recipe to the Book Load a Saved Recipe from the BookColor Changes Erase Recipe or Entire BookFigure 49 Typical Inventory Shutdown Operator Screen 4-3 Shut-down5-1 Preventative Maintenance Schedule Chapter 5 MaintenanceFigure 50 Sample Preventative Maintenance Schedule System model #5-3 Corrective Maintenance 5-2 Preventative MaintenanceElectrical Internal Components of the Control PanelInput Signals to Programmable Controller Output Signals from Programmable ControllerNote The alarm contact has a maximum load of 3 amps Problem Chapter 6 Troubleshooting6-1 Introduction Corrective actionCorrective action ProblemCorrective action warranty will be voided Service Department Equipment Specifications 7-1 Technical SpecificationsFigure 52 Equipment Specifications Chapter 7 AppendixAnnex B Information 7-2 Drawings and Diagrams Final AssemblyFigure 53 Typical Final Assembly Parts List 75 of Mixer Sub-AssemblyA0770319 Figure 54 Typical Mixer Assembly Parts ListFigure 55 Typical Hopper Assembly Parts List Hopper Sub-assemblyFigure 56 Typical R.A.M. Hopper Assembly Parts List Hopper R.A.M. Regrind Auger Metering Sub-Assembly OptionalFigure 57 Typical Additive Feeder Hopper Assembly Parts List Hopper Additive Feeder Sub-Assembly OptionalFigure 58 Typical Weigh Hopper Assembly Parts List Weigh Hopper Sub-assemblyFigure 59 Typical Slidegate Assembly Parts List Slide Gate Sub-assemblyFigure 60 Typical Knife Gate below mixer Assembly Parts List Knife Gate Sub-assembly HD OptionalFigure 61 Typical Knife Gate floor stand Assembly Parts List Knife Gate Sub-assembly RD OptionalFigure 62 Typical Mitsubishi Controller Main Parts List Figure 63 Typical Mitsubishi Display Main Parts ListControl Panel Layout Spare Parts Kits Figure 64 Blender Spare Parts ListingPasswords 7-4 Addendum Service Supervisor InformationProgrammable Settings Figure 65 Typical Operator Setup ScreenFactory Setup Menu Figure 66 Typical Engineering Only Setup ScreenAdvanced Weight Options Screen Metering Test ScreenFeed Algorithm Options Screen Figure 68 Typical Advanced Weight Options ScreenFigure 69 Typical Feed Algorithm Options Screen Feed Calibration Options ScreenFigure 72 Typical Feeder Setup Screen Feeder SetupMechanical Options Screen Figure 71 Typical Mechanical Options ScreenFigure 74 Typical Ethernet Setup Screen Customer Setup MenuUnits Figure 73 Typical Units ScreenFigure 75 Typical Alarm Flags & Feeder Setup Screen Alarm LogFigure 76 Typical Alarm Log Screen BF1-615.3 Factory Default Setup ParametersChapter 7 6BAppendix 92 ofVIRGIN 93 ofNote ITEMS MARKED R ARE READ ONLY AND ITEMS MARKED RW ARE READ/WRITE 7-5 Mitsubishi Communications ManualGENERAL BLENDER INFO BLENDER STARTING AND STOPPINGBLENDER ALARMS INVENTORY INFO CURRENT RECIPE INFO THIS IS THE RECIPE THAT IS CURRENTLY BEING MADE RECIPE INFO THIS IS WHERE YOU RIGHT THE NEW RECIPE TORECIPE BOOK MANIPULATION TARGETS VS. ACTUAL WEIGHT INFOFIXED DECIMAL EXPLANATION Alarm Number ExplanationWRITING RECIPE EXPLANATION RECORDING THE TARGETS VS. ACTUALS FOR EACH BATCHUNTIL THE HOPPER FEEDS MATERIAL INTO THE NEW BATCH 7-6 Technical Assistance Service DepartmentParts Department Sales Department