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MAGUIRE Weigh Scale Blender, Руководство по эксплуатации и техническому обслуживанию

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67

Typical Problems 

 
These problems are based on phone calls that we have received from Weigh Scale Blender users. 
 
1. The display does not read close to zero when power is turned on, bin empty (plus or minus 10 grams). 
 

•

 

The load cells are not plugged in. 

•

 

The weigh bin is not resting properly and freely in its platform or the platform is not resting properly on the bolts that 
protrude from the load cell enclosures. 

•

 

The controller was never calibrated for these load cells or you just did a CLEAR ALL.  In this case it will most likely 
be off by several hundred grams.  See LOAD CELL CALIBRATION. 

•

 

The load cells are damaged.  See CHECKING THE LOAD CELLS 

 
2. The Controller "RESETS" itself for no reason.  This indicates electrical noise or voltage spikes disrupting the processor.  
 

•

 

See WIRING CONSIDERATIONS, ASSEMBLY section. 

 
3. The ALARM is flashing and the display shows a weight above 100 or below -50 grams.  If above 100, the Weigh bin dump 
valve keeps opening and closing every 6 or 7 seconds. 
 

•

 

There is material in the weigh bin that will not dump out. 

•

 

The dump flap may be stuck. 

•

 

The load cells are hung up or obstructed. 

•

 

The load cells are out of calibration. 

•

 

Incorrect grounding is causing wide load cell readouts. 

 
3. The VERY FIRST DISPENSE does NOT take place.  After a few seconds the ALARM begins to flash.  The display says 
(N     x.x) and is flashing. 
 

•

 

The air supply is not connected or the pressure is set too low. 

•

 

The Natural solenoid is not connected properly. 

•

 

The 1/2 amp panel front fuse is blown. 

•

 

The NATURAL slide gate is jammed.  The cylinder mount may be bent. 

 
4. The NATURAL dispense valve continues to dump repeatedly even though the weigh bin has filled to overflowing.  The 
weight reading is still below 2000.0 grams. 
 

•

 

The weigh bin is not free to move. 

•

 

The load cells are jammed. 

•

 

The load cells are damaged.  See CHECKING THE LOAD CELLS 

 
5. The system operates but always needs MANY RETRIES to complete a dispense and never seems to "learn" the proper 
dispense rate. 
 

•

 

Vibration is causing frequent "bailouts" causing large swings in rate adjustment.  Increase the BER parameter. 

 
6. The THUMBWHEEL SWITCHES do not seem to be controlling output.  One or more LEDs (bottom row) are on all the 
time. 
 

•

 

Someone has LOCKED IN a setting using the keypad.  See KEYPAD, PROGRAM MODE, SETTING. 

•

 

The _SE parameter is LIMITING the thumbwheel switch setting.  See KEYPAD, PROGRAM MODE, and 
PARAMETERS, _SE. 

 
7. Occasionally, the system gets STUCK doing retries of a component but the retry time is so short that nothing gets 
dispensed. 
 

•

 

The LAG TIME parameter is set for too short a time.  See KEYPAD, TIME, and PARAMETER, _LA. 

•

 

A valve is sticking closed.  Check for free operation when air pressure is removed. 

 
8. The system USED TO WORK but now it does unexplainable things. 
 

•

 

Static or a voltage surge has altered RAM memory.  Do a CLEAR or CLEAR ALL.  See "CLEAR" RESTART or 
"CLEAR ALL" RESTART. Then do a LOAD CELL CALIBRATION, and RATE CALIBRATION for ALL materials. 

 

Содержание Weigh Scale Blender

Страница 1: ...MAGUIRE Weigh Scale Blender With Twelve Component Software OPERATION MANUAL AND MAINTENANCE MANUAL MAY 20 2002 COPYRIGHT MAGUIRE PRODUCTS INC 2000...

Страница 2: ..._______________________________________ 20 Turning on Material Type Outputs _________________________________________________ 20 Turning on Material Type Outputs_______________________________________...

Страница 3: ...ion Printout Verification__________________________________________ 64 Special Tests Printout Verification ________________________________________________ 64 Material Usage Printout _________________...

Страница 4: ...the Maguire WSB blender shipped Please refer to your shipping documentation for further information EC Declaration of Conformity Manufacturer Maguire Products Inc Address 11 Crozerville Road Media Pe...

Страница 5: ...weight readings are not correct you MUST recalibrate the load cells Page 16 SETUP OUTPUTS MATERIAL TYPES To TURN ON a component it must be designated as to TYPE either REGRIND NATURAL or ADDITIVE Each...

Страница 6: ...n NEVER use your fingers to move a sticking slide gate SAFETY INTERLOCK SWITCH The ACCESS DOOR is equipped with a safety interlock switch that prevents the mix motor from running and the slide valves...

Страница 7: ...ZERO FULL 0 CE ALRM DUMP 5 AMP FUSE MAGUIRE PRODUCTS INC MEDIA PA 120 VOLTS 3 AMP COLOR ADDITIVE 1 2 AMP ON OFF FUSE 0 REGRIND 0 0 OF MIX REPT VER VIEW SET 4 RCP OPER BTCH TIME 2 TAG 3 1 5 6 NAT REG...

Страница 8: ...et Load Cell Bracket for mounting Weigh Bin onto the Load Cells 14 Safety Interlock Pneumatic and Electrical Safety interlock stops blender operating if door is opened 15 Weigh Bin Weigh Bin holds mat...

Страница 9: ...R AIR SOLENOID VALVES COL HLD ALM MIX DMP ADD REG NAT COLOR ADDITIVE TOTAL WEIGHT GRAMS ON OFF 1 2 AMP ALARMS R LOCKED OUT C A REGRIND ADDITIVE COLOR OF NATURAL OF NATURAL OF MIX PARA FULL ZERO 0 MIX...

Страница 10: ...de Panel 2 1 Stop End of Cycle Continue Switch 2 2 Computer Serial Connection Optional Fieldbus Connection 2 3 Printer Parallel Output 2 4 Load Cell Port Input 2 5 Optional Extrusion Control 2 Way Int...

Страница 11: ...n holes and bolts provided With this method bolt head clearance holes are required in the poly pro slide gate plate This mounting works well on smaller machines For WSB 900 and 1800 series models An a...

Страница 12: ...12...

Страница 13: ...WSB 900 1800 51 7 8 1318 63 1 4 1607 56 1422 VTA Barrel Gaylord 36 914 8 203 8 203 43 1 4 1099 69 1 4 1759 57 1 4 1454 16 1 8 410 36 914 56 1422 36 914 15 381 15 381 15 381 STAND DIMENSIONS NOTE WSB...

Страница 14: ...into right side of controller e Load Cell plug into port on left side of controller 5 Plug the CONTROLLER into the receptacle located under the controller tray IMPORTANT Do NOT plug the controller int...

Страница 15: ...should be avoided They also reduce the ability to provide a dampening effect on spikes and static The further the equipment is from a substantial power source the more susceptible it is to spikes The...

Страница 16: ...y ROM OK Followed by RAM 8K Followed by model number MODEL220 or the model you have MB 140 14R 220 240 24R 420 440 44R 940 184 Followed by 0 then the actual weight of material in the bin This number s...

Страница 17: ...100 200 400 900 1800 SERIES On the blender Controller Device 5 is the LEFT Panel front OUTLET Device 6 is the RIGHT Panel front OUTLET 4 OPERATE OTHER DEVICES PRESS The weigh bin air solenoid will op...

Страница 18: ...screws are secure If response is not sensitive or does not return to its start point Check for interference around weigh bin If pressing does not display PASSWORD You are not in the normal power up m...

Страница 19: ...s digit can be ignored for selecting the correct Model 400 1000 and 2000 gram systems with 3 Kg load cells weights are displayed in tenths of grams xxxx x 4000 9000 and 18000 gram systems with 10 or 2...

Страница 20: ...When the pressure is removed the display must return to exactly where it was plus or minus 1 gram If this does not happen something is touching something and the bin is not entirely free to move Check...

Страница 21: ...of component 2 to component 3 will always be 10 to 40 or 1 to 4 If no Regrind or Additives are specified the mix will be Component 2 NATURAL SET 10 20 0 percent of mix Component 3 NATURAL SET 40 80 0...

Страница 22: ...r the space needed for Regrind and Additives A blend of ABS Homo polymer and Co polymer or a blend of Styrene Hi Impact and Crystal are examples of NATURALS ratioed together ADDITIVES Use this for all...

Страница 23: ...d 3 Color are 73 parts in the remaining 70 parts available Therefore 70 73 0 9589 70 x 0 9589 67 1 parts 3 x 0 9589 2 9 parts The blender is doing this calculation automatically for you Result 1 Regri...

Страница 24: ...arts 3 Color 60g 6 0 parts 4 Additive 40g 4 0 parts Batch Total 1000g 100 parts Example 4 Blender WSB 100 Series with 1000g Batch Materials 20 Regrind 50 Natural 30 Natural 4 Color 6 Additive Applicat...

Страница 25: ...25 5 Additive 53 3g 5 3 parts Batch Total 1000g 100 parts...

Страница 26: ...tion Keypad Sequence Press Display will say PASSWORD Press Display will say P x If you are calibrating an auger feeder operate it briefly to ensure it is fully primed To do so Press Display will say O...

Страница 27: ...spense When entering settings remember the following Panel front OUTLETS are always components 5 and 6 left and right If only one natural is present any number will do for a setting Any component set...

Страница 28: ...ll repeat for the entire dispense time When using a MICRO PULSE valve you must set the related _PO parameter to 03030 If overall blender throughput is too low you may increase the metering rate of eac...

Страница 29: ...software problems develop later To SAVE all parameter information to the EEPROM Save Parameters Keypad Sequence Press Display will say PASSWORD Press Display will say P x Press Display will say INSTR...

Страница 30: ...s given at the end of this section Function Key Description TAG To TAG all material usage data with Work Order or Employee numbers for better tracking of material used read KEYPAD TAG key and set 2nd...

Страница 31: ...5 digits use leading zeros if necessary For correct entries follow specific directions given in the PARAMETER section Press Display will say P x Press Display will say SAVING This saves the changes m...

Страница 32: ...receptacles on panel front Each outlet puts out 120 volts 240 outside USA through internal plug in solid state relays rated and fused at 3 amps These relay outputs are designed to drive motors or othe...

Страница 33: ...t The high level sensor in the mixing chamber plugs into this outlet and signals the controller to start a dispense cycle when it is uncovered The sensor must be uncovered for at least 2 seconds befor...

Страница 34: ...ke advantage of this feature Either one or many Weigh Scale Blenders can be connected to one computer For multiple Weigh Scale Blender systems or communication over long distances an additional piece...

Страница 35: ...35 21 KEYPAD Explained in next section next page...

Страница 36: ...or 3 seconds MANUAL OR PROGRAM MODE Press then 11111 or your own 5 digit password OPER Operate all devices manually open and close valves TIME Operate devices for a selected time period CAL Operate de...

Страница 37: ...information to be sent to the printer if available To then clear the data press 00 within 5 seconds Press any other key or wait 5 seconds to continue the process without clearing the totals RECIPE Th...

Страница 38: ...red to zero or it exceeds its maximum possible value Press again to return to normal operation When any of the above totals are being displayed you may press the CE key to RESET that number to zero Wh...

Страница 39: ...IVE settings are expressed as percents up to 99 9 percent NATURAL is any number you wish usually weight It is used to establish RATIOS with all other NATURAL entries When only one material is designat...

Страница 40: ...e and close all outputs TIMED Press once followed by one of 12 component keys A time in interrupts is requested TIME Three digits must be entered specifying a dispense time up to 999 interrupts about...

Страница 41: ...t FULL WT THIS HAS BEEN DONE AT THE FACTORY IT SHOULD NOT BE NECESSARY FOR YOU TO DO THIS AGAIN ZERO WT must be entered before FULL WT to achieve proper calibration The FULL WT key will not function u...

Страница 42: ...r To enter this mode press then enter the correct password number The correct password supplied with the unit is 22222 To change this to another 5 digit number of your choice see 78 When in the PROGRA...

Страница 43: ...77 88 66 87 99 00 05 03 47 48 45 78 11 89 98 12 23 32 25 14 14 14 04 02 Extrusion and Yield Control 03 Four digit xx xx settings 04 Simulate FOUR software 05 Inhibit table clearing 12 Move table from...

Страница 44: ...hen this option will do this for you in one easy step Use the key to toggle through all selections Select KEYPAD to exit without changing anything Select R N C A for system to operate like FOUR softwa...

Страница 45: ...the key to step through all displays without change Enter new settings where required The correct date and time have been entered at the factory and should never have to be reset Of course you may be...

Страница 46: ...4 to set components to one of four options The display will look like this 1TY REG 1TY NAT 1TY ADD or 1TY OFF This is the component number and the TYPE it is set to REGRIND NATURAL ADDITIVE or TURNED...

Страница 47: ...Press EXIT when done Cycle by Cycle Printout Press 5 4 to set flag for a printout of data after each full dispense cycle With this flag ON and with a printer on line four lines of information about th...

Страница 48: ...se components already designated as an ADDITIVE will be displayed If precision rationing is selected the specified additive selected by the 82 function will dispense BEFORE the Naturals instead of aft...

Страница 49: ...Show Load Cell Raw Signal Press 9 8 to set flag for RAW SIGNAL readout in place of gram readout of scale weight Power On will always set this flag to OFF Use the key to toggle flag ON or OFF Press EX...

Страница 50: ...TON PA REGRIND 0 1 2 AMP FUSE 0 0 0 0 ADDITIVE COLOR 0 0 0 0 OF MIX 3 AMP FUSE OF NATURAL OF NATURAL COMPUTER END OF CYCLE CONTINUE PAUSE IMMEDIATE EXTRUSION CONTROL LOAD CELLS PRINTER STOP CONTINUE I...

Страница 51: ...1 second WEIGHTS are always expressed as GRAMS 100 and 200 models use tenths of grams xxxx x 00010 1 gram 400 900 and 1800 models full grams xxxxx 00050 50 grams PERCENTS are expressed in tenths for...

Страница 52: ...To move DOWN a list Press To move UP Press To move RIGHT 1st time goes to 1TY Press To move LEFT Press When finished EXIT will take you out of Parameters Parameter List Explanations General Parameter...

Страница 53: ...remely fluffy or very heavy material MAX prevents overflowing of the weigh bin It is reset automatically if the FUL parameter is changed TH 01000 The highest and lowest acceptable TARE weights for TL...

Страница 54: ...flags instruct the controller what to do Default settings shown are for Natural Color and Additive to alarm but not Regrind 1XT 00000 Move decimal left on color and additive settings These parameters...

Страница 55: ...as they are provided in the original program and as they will appear after a CLEAR ALL or a model change The Model 200 list is the ORIGINAL BASE list Models 100 and 900 show only the changes from the...

Страница 56: ...56 CPL 00 00 PTD 20 20 MCT 00 00...

Страница 57: ...PT 00 00 1RP 10 10 1RD 500 300 100 1LA 20 20 04 20 1PO 00 00 3 4 7 8 VV 3 Rnd 2 x3 or 3 x 6 Slide Gates 3TY OFF OFF 3CS 00 00 3AL 04 04 3XT 00 00 3SE 1000 128 22400 1000 3WT 26000 31232 15616 20800 3T...

Страница 58: ...he changes made Press Display will say P x when settings are complete Additional information can be found in the KEYPAD section Saving Parameters in the EEPROM If the changes you have made are PERMANE...

Страница 59: ...rrect copy of the parameters from the EEPROM This clears corrupted data from RAM and corrects most software problems To Retrieve Retrieve Parameters CLEAR from EEPROM Keypad Sequence Switch Power Off...

Страница 60: ...cable 34 pin parallel Centronix connector to a DB25 IBM compatible connector available from us or at any computer store Interpreting the 54 Cycle Printout 10 or 20 cycles of data can tell a lot about...

Страница 61: ...ware accepted the first try If they do not match then the first try was short and one or more retries occurred The second number is the dispense time that the software calculated to be a correct first...

Страница 62: ...d This is a 1 auger feeder from which we would typically expect about 8 grams per second More recent auger feeders use faster motors delivering about 16 grams per second In the component 4 column 1024...

Страница 63: ...vertical valve a horizontal valve with a flow restrictor or a smaller valve would help to improve accuracy and control If the timing number is below 5 you are operating in a range were it is difficult...

Страница 64: ...ification Press 8 8 in Program mode to force a printout of the display on the controller front DATE TIME Machine number and display will print Date 11 09 93 Time 17 22 01 Machine number 002 Display Re...

Страница 65: ...TOTALS GRAND PCT CURRENT PCT CYCLES 11 7 COMP 1 R 05 0 2 4 4 8 1 5 5 0 COMP 2 N 100 47 4 100 0 28 6 100 0 COMP 5 N 00 5 4 99 2 99 COMP 6 N 00 5 4 94 2 91 TOTAL 50 8 30 7 WEIGH SCALE ID 120 TOTALS ARE...

Страница 66: ...help if we have a printout of the PARAMETER table KEYPAD 77 and 2 pages of cycle by cycle printout KEYPAD 54 See PRINTED OUTPUTS section To Print the PARAMETER Table Keypad Sequence Press Display will...

Страница 67: ...y is not connected or the pressure is set too low The Natural solenoid is not connected properly The 1 2 amp panel front fuse is blown The NATURAL slide gate is jammed The cylinder mount may be bent 4...

Страница 68: ...te will help prevent the mix blades being covered during mix time Be sure level sensor is mounted in its lowest position and increase sensitivity as much as possible Both serve to keep a batch from be...

Страница 69: ...consumes a large batch of material all at once such as during injection and screw return time and material reserve is not adequate you may run out of material for a few seconds while the Weigh Scale b...

Страница 70: ...largest to smallest The Letter N will appear in the display The exact weight of all NATURAL dispensed is now determined for calculating the ADDITIVE dispenses ADDITIVES third The ADDITIVE dispenses o...

Страница 71: ...o move far enough to record a full 20 000 gram weight deflection 10 000 grams per cell 10K cells If weight readout is very erratic check for damage to the load cell wires Check for a pinched wire in t...

Страница 72: ...n circuit a damaged wire or cell A full scale readout of 249 850 indicates a damaged wire or cell A set of 3 K load cells will put out about 33 more counts for every gram of weight that is added A tes...

Страница 73: ...Restart with Default System Settings the same as the CLEAR above but EEPROM information is also cleared There are only TWO times when you want to do a CLEAR ALL 1 When a NEW PROGRAM CHIP has been ins...

Страница 74: ...roblems are occurring related to non predictable environmental problems If you are having reoccurring problems we may ask you to use this routine during production to help us diagnose the problem To o...

Страница 75: ...ty the chamber and check to be sure the sensor LED does not go on when the mix blade passes near it NOTE 18 mm sensors LED logic are reversed ON when UNCOVERED WEIGH BIN DUMP VALVE The WEIGH BIN DUMP...

Страница 76: ...WT key Five dashes FUL will be displayed Enter the EXACT weight in GRAMS that you have placed in the bin The weight should be close to the designed full bin weight 400 1000 2000 4000 9000 or 18000 Th...

Страница 77: ...77 Replace this page with the WIRING DIAGRAM...

Страница 78: ...pin F component 7 air solenoid red solid state plug in relays 4 on separate board 8 1 comp 5 color auger motor outlet panel front 9 2 comp 6 additive auger motor outlet panel front 10 3 strobe and bee...

Страница 79: ...ing 9 pages Exploded View MICRO BLENDER Exploded View Model 140 Exploded View Model 220 Exploded View Model 240 Exploded View Model 420 Exploded View Model 440 Exploded View Model 940 Exploded View Mo...

Страница 80: ...ective this warranty being expressly in lieu of all other warranties expressed or implied and of all other obligations or liabilities on our part and MAGUIRE PRODUCTS neither assumes nor authorizes an...

Страница 81: ...formity 4 Flow Control Valve 8 17 68 Hopper Access Door 8 Level Sensor 8 10 15 Load Cells 8 39 47 53 55 66 Material Hopper 8 Mix Blades 8 Mix Chamber 8 10 Mix Motor 8 10 Removable Hopper 8 Safety Feat...

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