DWM-IV / DBC-D DIGITAL BATCH CONTROLLER
EXPRESS SYSTEM 204 SEQUENCE OF OPERATION

Tare, Weigh (two speed feed), Print, Clear Tare, Hold, Discharge, Hold, Reset.

Two speed feed may be Parallel Fast / Slow, or Sequential Fast / Slow.

Two speed feed may be disabled (single speed feed).

Automatic Tare may be disabled.

Automatic Print may be disabled.

1. Place the MANUAL / OFF / AUTO selector in the AUTO position, place HOLD / RUN selector in the RUN position.

    

2. Press START.

3. The system will automatically TARE to Net Weight Zero, and FAST FEED will begin IF starting from a previous Discharge Cycle Complete OR from a previous mid-cycle STOP.
   
   
4. The system will automatically TARE to Net Weight Zero, and FAST FEED will begin IF starting from a previous Discharge Cycle Complete OR from a previous mid-cycle STOP.
   
   
5. When the batch weight increases to a preselected weight set-point, FAST FEED will stop and SLOW FEED will begin.
   
   
6. When the batch weight increases to a preselected final cutoff point, SLOW FEED will stop, ending the batch filling cycle.

   NOTE: If optional multi-ingredient sequences are utilized, the FAST FEED / SLOW FEED for the second ingredient will now begin from Step 2. Upon the completion of the second ingredient's batch fill, the third ingredient will repeat the sequence, etc..
   
   

7. Upon completion of the filling cycle, the batch weight will automatically transmit to a printer, and be stored in internal memory for later retrieval as a production summary and material usage report.
   
   NOTE: If optional multi-ingredient sequences are utilized, EACH ingredient's batch weight will transmit, along with the accumulated batch weigt . The internal memory will store the accumulated weight of each ingredient and the accumulated weight of all the batches.
   
   
8. The system will Clear Tare to display the final batch weight; and HOLD, awaiting a Discharge command.
   
   
9. Toggle DISCHARGE / FEED switch to: DISCHARGE
   
   
10. The Discharge cycle will begin, and continue until the weight falls below a preselected Zero Tolerance value.
    
    
11. Upon completion of Discharge, the system will HOLD and RESET to begin a new cycle beginning with: Press START.
    

Press STOP at any time to immediately STOP the automatic sequence. The process may then be resumed from where it left off (Press START), or aborted (RESET key).

Switch the HOLD / RUN selector to HOLD at any time during the automatic sequence, and the system will HOLD after completion of the current ingredient's feed or the discharge cycle. Select RUN to resume the automatic cycle.

If TOLERANCE CHECK is enabled, the system will "watch dog" the final fill weights for correct tolerance. The system will HOLD and the scale display will flash a tolerance alarm if off-tolerance is detected. Press ACCEPT TOLERANCE to resume operation, and to signify that the off-tolerance was corrected and/or acknowledged.

If AUTO JOG is enabled, it allows up to 6 ingredient single speed feed, with "slow feed" capability via Auto Jog timed pulsing of the ingredient feeder.

1. Place the MANUAL / OFF / AUTO selector in the MANUAL position.

   A. For manual FEED:

   • Place the FEEDER SELECT switch in the desired position to control a particular material feeder.
     
     
   • Manually hold the DISCHARGE / FEED toggle in the FEED position.
     
     
   • The selected feeder will run for as long as the FEED toggle is held.
     
     

   B. For manual DISCHARGE:

   • Manually hold the DISCHARGE / FEED toggle in the DISCHARGE position.
     
     
   • DISCHARGE will continue for as long as the DISCHARGE toggle is held.
     
     

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