GE FGB-M05 manual Dispense modes, Gravimetric, Volumetric, Combination

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Rev. May 2001

GraviMaster-FGB-M05 (S)

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Gravimetric Blender

 

2.6Dispense modes

The blender has two ways of dispensing: gravimetric and volumetric. One mode can be selected or a combination of both. This can be defined choosing menu (F1) ‘controller / public parameters’.

Gravimetric

All component of the batch are dispensed and measured separately. Gravimetric is more accurate than volumetric, but takes more production time, ie., lower output.

Volumetric

All components of the batch are dispensed at the same time using the dispense time of each component (calculated by the system). The components are dumped directly in the mixer chamber. No measurement is done in this mode. Therefore this method is less accurate, but the production time is faster, ie., maximum output

Combination

When combination is defined, one gravimetric will be followed by a defined number of volumetric dispenses. This is defined by the parameter combinationRatio. This parameter can only be defined if ‘combination’ is chosen. This mode has the best of gravimetric and volumetric.

Use: normally the defined combination will be done (ex. 1:3). However, if the mixer chamber is full, the process will automatically do a gravimetric dispense instead of a (possible) volumetric one.

2.7Batch handling

2.7.1Production control

If a start command is given the controller will check if the blender actually can start. If a hopper has a low-indication (optional) the controller will alarm.

Also the parameters are checked. These can be in conflict with the recipe to be executed. The following items will be checked (if applicable):

*Empty Regrind control

-The controlled hopper must contain regrind (according to recipe)

*Stock silo control (optional)

-Controlled hopper must contain regrind (according to recipe)

*Additive to regrind

-Controlled hopper must contain additive (according to recipe)

The blender will not start unless all conditions are met. A message will be sent to the user interface.

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Contents Serial No ISO 08.01.02.064.GB 986731 Rev. May ManualIntroduction Controls Installation Introduction Gravimetric Feeding Options are Features areBlender status Blender start-upInactive StandbyPause ErrorStop requested Machine-modeWeight-Error Weight-AlarmProduction-modes ContinueDispense modes VolumetricGravimetric CombinationMethod Standard Recipe to weight calculationExample TotalAdding extra materials Method PercentageAdditive to Regrind Additive to regrindRegrind control Empty regrind ControlStock Silo Control Dispensing Dispense is correctDispense not correct too little Condition 1. The mixbin-vale may not be open if present Dispense not correct too muchCondition 2. The mixerchamber may not be full CalculationsDatalogging EQ-Net Certificate ISO Certificat Function KEY in MACHINE-MODE Operator-interface KeyboardKey Description Button User controlNumber input field Text input fieldStatus Operating Mode Automatic Change components0OPERATING Auto Actions Example Add a new componentWhite Natural ? ?WHITE? NaturalWhite Natural Regrind Additive White ?ADDITIVE ?2 Add/change recipes Field of a Recipe Option Menu in EDIT-RECIPEExample Add a new recipe Standard Step ‘edit recipes’ EnterAdditive White PercentageChange current recipe Production screen Timely informationCrates Yellow Material usage screenInput & Output monitor Adjustment of the gravimetric blenderCalibration of the weigh bin Tare of the weighbinHardware-reactiontime Standard adjustmentOverview of parameters Public parametersContinue Parameter Description InitGravimetric PulseProtected parameters Protected Parameters Change entrycode Reports and overviewsChange date and time Revision code of the systemMenu hierarchy Production ControllerSystem Mounting ServicesRev. May GraviMaster-FGB-M05 S Gravimetric Blender Alarms Alarm reports and solutions Alarm-message Description Action to cancel alarm Rev. May GraviMaster-FGB-M05 S Gravimetric Blender Status Operating Adjusting sensor sensitivity MaintenanceReplacement of parts Replacement of printed circuit Cleaning the machineTransportation of the GraviMaster General machine specifications Safety measuresUser-interface specifications Valves specificationsEin Electrical diagrams Rev. May GraviMaster-FGB-M05 S Gravimetric Blender Rev. May GraviMaster-FGB-M05 S Gravimetric Blender

FGB-M05 specifications

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