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GS2150 Dual Speed Feeder "Super Fast"

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1. proceed to step 3 If however the message OFF or OFF is displayed the electrical input from the load cells is outside the GS2150 s calibration range and the GS2150 will be unable to calibrate the input to zero If ether of these messages is displayed set the digital setup parameter range to 1 rangel This setting allows a load cell input of up to 30mV This level is unlikely to be exceeded by the dead load on a weighing system If the GS2150 continues to display an off scale message after rangel is selected the installation or the GS2150 may be at fault contact the factory for assistance 3 Key CAL and then ZERO The GS2150 will then automatically zero out the dead load offset Following this operation which takes 5 seconds the GS2150 will return to its normal weighing and batching mode Check the display for a gross weight of zero If the gross weight is not zero repeat step 2 If the required adjustment was outside the GS2150 s range a message is displayed for 5 seconds In this event the weighing installation should be reviewed Messages are C HI or OFF The load cell input is positive and above the dead load offset adjustment range of the GS2150 Gedge Systems Melbourne Australia C LO or OFF The load cell input is negative and below the dead load offset adjustment range of the GS2150 Do not continue with span calibration until a display of zero gross weight has been obtain
2. 2 8 Weight Calibration ZERO With only the empty weight of the hopper on the load cells key CAL then ZERO to obtain a zero gross weight display SPAN Load the hopper with the required calibration weight Key CAL then SPAN The full scale capacity will be displayed for 5 seconds Check that this 1s the total weight capacity of the installation If incorrect key END CAL and check the Digital Setup settings If the full scale capacity is correct when 000000 is displayed use the keys UP DOWN and LEFT to enter the required weight then key SPAN If zero or the calibrated weight cannot be obtained carefully review the installation as well as the detailed calibration and setup instructions contained in this manual page 10 30042003 Gedge Systems Melbourne Australia CEXNTSE NEI IN FLIGHT fee eet BE PRELIMINARY ZERO GS2150 Batch Controller GS2150 5535 ENTER CHANGE kg EN Gy PN bd EI ES Gedge Systems capacity By 1 Australia 3 OPERATING THE GS82150 3 1 Applying Power When power is applied the GS2150 loads its internal settings verifies its software program and checks the state of the Optional BR1 battery backed ram and Totals Accumulators if fitted If no faults are found the GS2150 will display either the Gross Weight the Net Weight or the number of Batches Counts The information displayed and the state of the GS2150 s control outputs will depend on how the GS2150 was
3. cr 1 comparator rate the rate at which the GS2150 compares set weights to actual weights Start with 1 and increase it to 2 4 etc 1f feeders are not steady LP OFF Linear predictive modelling start with linear prediction OFF rAngE1 range load cell millivolt input range Start with range 1 If greater speed required try 2 and 3 Full load input for each range is 1 30mV 2 20mV and 3 10mV d 10000 display divisions select the required number for the weight to be displayed dP0 00 decimal places select the required number for the weight to be displayed Cb 1 count by select the required number for the weight to be displayed bt In n batching type select the required batching method depending upon the application Batching by net weight is required for the hold continue feature nd n L1 normal display and key locking scheme selects the display the GS2150 should show most of the time and the keyboard locking scheme used when the remote key lock input is locked The selection will depend upon the application count3 batch counter select the method of operation for the batch counter The selection will depend upon the application Count4 disables the counter bc On At batch control select batch control On if the GS2150 is to latch the outputs Select On At if the GS2150 is to acquire a tare at the beginning of the batch and to enable the hold continue feature
4. Conf is displayed including any of the GS2150 s front panel keys 1s ignored by the GS2150 except that 1t briefly blanks the display to confirm proper operation START CONTINUE following STOP or batch complete No messages are displayed As the memorized batched weight will have been cleared by the earlier STOP key or the normal completion of a batch it is not taken into account The GS2150 acquires a tare to zero the net weight and commences batching using the Final weight to calculate the remaining weight to batch Feeding will continue normally until the weight of material batched equals the required weight The Final weight at which time feeding will cease Automatic In Flight compensation adjustment operates normally page 20 30042003 3 10 Batching amp Operation of the Outputs Introduction The GS2150 batches by feeding material using one or two feeders normally as a fast feeder and a slow feeder The GS2150 can batch material into a weigh hopper or bag using Net or Gross weight Also it can batch material out of a weigh hopper or bag using Net weight Batch settings which are changed frequently are entered directly via the GS2150 s front panel keyboard These comprise a preset batch COUNT the required FINAL weight and settings to turn off the high speed PRELIMINARY and slow speed IN FLIGHT feeders The Hysteresis Automatic In Flight and Zero Band settings which are seldom cha
5. GS2150 Batch Controller 7 2 Ordering Guide 8 WARRANTY Gedge Systems 488 Church Street Richmond Victoria Australia Email gs2150 gedgesystems com au Phone 61 3 9429 8396 Fax 61 3 9429 8097 version 30042003 Copyright 1995 1996 1999 2003 Gedge Systems Printed in Australia GS2150 Batch Controller ISSUE VERSION NOTE Zero Band Output can now be set on Gross OR Net weight This manual version 30042003 applies to GS2150s shipped after April 2003 which have Reverse Voltage Protection fited to the OUTPUTS There are no operation changes to the product This operating manual version 20041999i applies to all GS2150 products fitted with software version dc0 7 You can display the GS2150 s software version by holding down the G N C key when power is applied The operating manual this version replaces version 17121998 some were marked 7211196 applied to the GS2150 s earlier version software up to and including dc0 6 The ONLY difference between the software versions dc0 6 and dc0 7 and their manuals is the way that the Zero Band output operates On the earlier version GS2150 dc0 6 the zero band output could be set to operate over the GROSS weight range 0 to 500 display divisions It could not be set to operate on the NET weight The version dc0 7 CAN be used to test either the GROSS or NET weight against the zero band setting The digital setup now provides a range of settings for the zero band out
6. Programming Entirely via front panel keyboard For ZERO Press CAL ZERO for fully automatic dead load cancellation For SPAN Press CAL SPAN and enter required weight and press SPAN for automatic calibration Calibration Recommended Re calibration period 1 year Re calibration FRONT PANEL Weight Display 14mm high 7 segment High Intensity red LED display to a maximum of 199990 with minus sign 6 LED lamps identify displayed information Annunciators Positive action tactile feedback key board behind tough water resistant membrane Controls CONTROL OUTPUTS 4 Outputs Fast and Slow Speed feeder control Batch Complete and Zero band Each is an optically isolated open collector capable of sinking 0 5Amp 5VDC to 45V DC from a user supplied power supply Gedge Systems Melbourne Australia TOTALS BR1 30042003 GS2150 Batch Controller CONTROL INPUTS 4 Inputs Tare Key Lock Stop and Start Each is an optically isolated input having an internal 2 2kOhm current limiting resistor The user s 5VDC to 24VDC power supply is sunk through the user s remote switch or device GENERAL Physical All metal enamel finished desk and panel mounting enclosure including a panel mounting kit as standard 198mm wide x 96mm high 184mm wide x 90mm high Body length overall 149mm For panel mounting DIN standard cut out 186mm wide x 92mm high Body rear panel projection 137mm
7. If the GS2150 continues to display an off scale message after this setting is selected the load cells may have an electrical output which is beyond the GS2150 s input specification alternatively the installation or the GS2150 may be at fault contact the factory for assistance 3 Key CAL and then SPAN The maximum capacity is displayed for 5 seconds Span calibration may be stopped by keying END CAL When 00000 is displayed use LEFT UP and DOWN to set the required calibrated weight 4 Key SPAN The GS2150 now automatically adjusts the display to show the required calibration weight This process which takes 5 seconds will end with the GS2150 resuming normal weighing If gross weight 1s not already displayed select gross weight and check the calibrated value If the GS2150 does not display the required gross weight repeat steps 3 Gedge Systems Melbourne Australia 30042003 GS2150 Batch Controller and 4 If the required adjustment was outside the GS2150 s range a message 1s displayed for 5 seconds In this event the weighing installation should be reviewed Messages are C HI or OFF The load cell input is too high to be spanned to the required weight C LO The load cell input is too low to be spanned to the required weight 5 Remove the weight from the scale and check the zero return If the weigher returns to zero calibration is completed The front panel name plate may be installed and if required sealed
8. Rear projection allowing space for the supplied power and load cell connector 176mm Unit weight 1 9kg Shipping weight 3kg 10C to 40C Operating 15C to 70C Storage to 95 RH non condensing 100 110 117 200 220 240VAC 10 49 to 62Hz 15VA specify voltage at order Power cable appliance receptacle Fuse and fuse holder 9 pin D male load cell connector and mating angled cable plug 8 pin removable screw terminal block for control Input Output Environment Rear Panel OPTION BR1 BATTERY BACKED MEMORY Factory fitted battery backed memory to save batch counts tare weight adjusted In Flight setting memorized batched weight and zero tracked value on power failure 7 2 Ordering Guide GS2150 Batch Controller Specify mains voltage OPTION BR1 Factory fitted battery backed ram Factory fitted battery backed ram and NINE digit totals accumulator for batched weights and batch counts page 33 GS2150 Batch Controller 8 WARRANTY Definition In the following Buyer shall mean the original purchaser of the equipment supplied by Gedge Systems Seller shall mean Gedge Systems the manufacturer of the equipment Extent This express warranty shall extend between Buyer and Seller only and shall cover all claims and costs during the warranty period between Buyer and Seller only and except for warranty of title is in lieu of all other warranties whether expressed or implied
9. installation of the GS2150 Locking schemes are available to lock ALL the GS2150 s front panel keys or to lock only some of the keys Access to the GS2150 s optional accumulated totals is ALWAYS locked out when the lock input is in the locked condition The GS2150 displays the message Locd when a locked key is operated and the key is ignored For full details of the GS2150 s locking schemes see Digital Setup page 28 TARE HOLD Gedge Systems Melbourne Australia 30042003 GS2150 Batch Controller The operation of this input depends upon the GS2150 s Digital Setup settings batch control and batch type described on page 29 Regardless of the setup of the GS2150 this input requires a momentary closure of the remote device key or switch to be recognized by the GS2150 When the GS2150 is setup with the batch control setting OFF or simply ON bc OFF or bc ON this input always acts as a TARE function When operated the GS2150 acquires the Gross weight as a tare value resulting in a Net weight of zero The GS2150 will automatically display the Net weight if the Gross weight was displayed but it will not change the display if batch counts are displayed A tare is acquired even if the weigher is in motion additionally the tare value can be acquired over the entire installed weight capacity of the GS2150 When the GS2150 is setup with the batch control setting ON plus Auto Acquire TARE bc OnAt this input ac
10. will provide the widest millivolt input range For installations where the highest speed 1s required the millivolt output of the total live and dead load on the load cell should be measured and a range selected which is just in excess of this Regardless of the range selected the GS2150 can still be calibrated to a maximum sensitivity of ImicroVolt Division mV Input 1 30 29 2 20 34 3 10 44 Range Max comparator Rate sec RECOMMENDATION Calibrate the installation using rangel and then if a higher speed is required apply 103 load to the scale With full load on the scale select range2 If the GS2150 does not show an off scale message either leave the setting at range2 OR if a higher speed is required try range3 The GS2150 will exhibit no calibration shift as the ranges are changed Gedge Systems Melbourne Australia 30042003 GS2150 Batch Controller d 10000 Display resolution in display divisions Adjustable 400 to 10 000 divisions in 100 division steps The maximum display resolution setting is automatically limited depending on the Count By setting to ensure that a display of 199 990 1s not exceeded Resolution in display divisions Count by Maximum d 1 TO 10 10 000 20 9 500 50 3 900 This setting programs the smallest weight that can be displayed by the GS2150 It also programs the smallest setting increment for the weights to be batched For example a 50Kg 50 000gm installation pro
11. 400 to 10 000 divisions in 100 division steps adjustable count by settings of 1 2 5 10 20 and 50 with adjustable decimal point all setup via the keyboard a Easy to calibrate No internal potentiometers or setup switches within the GS2150 Calibration is automatic via the front panel keyboard using easy to follow steps Reduced operator fatigue via a steady weight display obtained through individually adjustable settings for display update rate and feeder control comparator rate Allows very fast feeding and control for the highest accuracy while maintaining a steady and easy to watch display m Super fast and accurate cutoff The 800 weight comparisons per second via Linear Predictive Modelling provide ultra fast control for the ultimate in high speed batching The GS2150 also includes a fast 44 per second non predictive comparison rate a Reduced ancillary equipment costs The GS2150 includes a versatile batch counter which can count up or count down and is preset via the keyboard a No pause batching all weight and batch count settings are entered into the GS2150 without the need to stop the batching process a Fewer false service calls resulting from wrong settings All settings entered into the GS2150 are automatically checked and not accepted if they are wrong a Easy connections via 100 plug and socket connections Convenient removable screw terminals for control signals a shielded 9 pin c
12. Australia GS2150 Batch Controller Batch Cycle The drawing on this page shows one of many possible batching cycles using the GS2150 In this example the GS2150 has been programmed to batch in by Net weight the batch control setting is ON and the GS2150 is to automatically acquire a tare on START Automatic In Flight adjustment is on and set for 8 divisions with a settling time of 2 seconds In the drawing the time between the START input and the feeders being turned on has been stretched to make it visible in practice this period may be as short as a few milliseconds AUTOMATIC IN FLIGHT ADJUSTMENT WILL REDUCE THIS DEVIATION PRELIMINARY IN FLIGHT ACTUAL WEIGHT SETTLING TIME A SLOW SPEED OFF B HIGH SPEED OFF C HIGH SPEED amp SLOW SPEED FEEDERS ON ZERO BAND OUTPUT START INPUT FALLING EDGE INITIATES START amp AUTO TARE HIGH SPEED OUTPUT SLOW SPEED NTERNAL BATCH OUTPUT COUNTER INDEXED AT FEEDER OFF BATCH COMPLETE OUTPUT The batch commences with a START input The GS2150 automatically tares the Gross weight to arrive at a Net weight of Zero Both material feeders and the batch complete output are turned on with material being fed at a rate controlled by both feeders While the weigh hopper or bag is being filled the GS2150 compares the actual weight with the target settings at a rate up to 800 times second using the GS2150 s linear predictive modelling When the Final weight min
13. GS2150 will display the message SurE Keying EXIT displays totAL without clearing the total Keying CLEAR zeros the accumulated total the zeroed total 1s then re displayed WARNING there is no recovery from keying CLEAR after the warning message SurE Make certain that the accumulated total has been noted before it is cleared The counts and weight totals are cleared separately It is a good idea to clear them both at the same time page 16 30042003 Gedge Systems Melbourne Australia 3 6 Limits to Weight Settings The GS2150 checks all weight settings as they are entered to ensure proper operation For the GS2150 to be able to operate its feeder control outputs some settings MUST be larger than others and some other settings MUST be larger than a particular value but smaller than another value As an example the IN FLIGHT setting CANNOT be the same or larger than the FINAL weight setting If it is the feeder will never turn on In addition to ensuring that the value of the weight setting being programmed allows proper operation the GS2150 also ensures that the increments of any weight value match the GS2150 s installed setup This is done by automatically limiting the smallest weight value change to the count by value set during installation As an example if the GS2150 is installed to display weight in 5gm increments then 5gm 1s the smallest change that can be programmed for any weight setting
14. HIGH SPEED OUTPUT SLOW SPEED NTERNAL BATCH OUTPUT COUNTER INDEXED AT FEEDER OFF BATCH COMPLETE OUTPUT One of many possible GS2150 Batching Cycles Gedge Systems Melbourne Australia 30042003 page 3 GS2150 Batch Controller 1 INTRODUCTION amp FEATURES The GS2150 is a high performance microprocessor based single ingredient dual speed batch controller with 4 Control Inputs and 4 Control Outputs The sensible size of the front of the GS2150 allows a keyboard and display that s easy to read and use The short case length allows fitment into low cost small enclosures The GS2150 s wide range and flexible settings will ensure its profitable application in a large number of batching applications Major features and benefits are Installs into small low cost enclosures 150mm Body length and 180mm total depth with connectors allows installation into a standard 210mm depth enclosure m Operator friendly via the use of a colour coded layout with sensibly sized 17mm keys and a large 14mm display a Easy to use the front panel lamps and descriptions are clear The method of entering set weights and counts 1s natural and easy to remember a oMemorizes batched weights and allows multiple hold and continue operations The perfect solution for batching out when the material weigh hopper or bag must be topped up or replaced Reliable with a design based on 15 years of weighing electronics equipme
15. If the weigher does not retum to zero it may be the result of creep or friction in the weighing installation The installation should be carefully checked Zero and Span Calibration should be carried out again 4 8 Sealing the GS2150 The GS2150 name plate should be sealed in place to prevent unauthorized adjustment of the GS2150 s digital setup and weight calibration settings The holes in both the nameplate thumbscrews and the front panel may be used to seal the nameplate in place with a wire and lead seal 4 9 Electrical Supply The GS2150 has been designed to operate properly on a normal mains electrical supply and incorporates modern techniques of mains supply filtration and dropped cycle protection There is a limit of mains supply noise dropped cycles and voltage variations beyond which the GS2150 will cease to properly operate In this event investigation will be required Likely causes of inaccurate batching and weighing include a poor electrical supply and inadequate attention to load cell and control cable shielding ground paths switched load spike suppression or routing of power cables in close proximity to load cell or control cables A poor mains supply problem may be rectified by a mains power conditioner or un interruptible mains supply conditioner Other problems will require a review of the entire installation page 31 GS2150 Batch Controller 5 BRI BATTERY BACKED RAM The GS2150 can be factory fi
16. Key UP or DOWN and LEFT to change the settings Key END CAL to save the changes Digital Setup Parameters Suggested Comments Settings obg 2 zero band this setting in display divisions for the selected gross or net weight operates the zero band output The output is on whenever the gross net weight is within the zero band The value will depend upon the application ot3 2 zero tracking automatic gross zero maintenance The left hand value is the zero track band The right hand value is the motion limit in display divisions per second Start with a zero track band of 3 and a motion limit of 2 divisions per second This setting should be off during weight calibration AIF 16 2 Automatic In Flight adjustment The left hand value 1s the band within which automatic adjustments are made The right hand value 1s the settling time in seconds If set to OFF the batch complete output 1s turned on 1 second after Slow Speed feeder cutoff Otherwise the time setting of 1 2 or 4 seconds is used for the batch complete signal Make the initial setting 16 display divisions and 2 seconds and tune the installation trying different settings HY 2d Hysteresis this setting has no effect if the batch control setting is on bc On or bc On A Otherwise this setting programs the feeder control dead band The setting will depend upon the application dr 2 display rate select a rate divider to provide a steady display Start with 2
17. Nevertheless shielding is important The photograph below shows how the cable shield is to be connected to the body of the GS2150 This is achieved by removing the jack screw on the load cell connector and wrapping the shield drain wire once around the threaded portion of the screw The jack screw 1s then firmly screwed into place to provide the earth connection for the cable The table immediately below identifies each of the GS2150s control inputs and outputs GS2150 s CONTROL INPUT OUTPUT CONNECTOR Terminal Description Required external circuit condition Number also see drawings on the following pages LOCK Input keyboard lock Closed circuit to lock the keyboard open circuit or no connection to unlock the keyboard TARE HOLD Input Normally open circuit The falling edge of a momentary closure short circuit acquires a tare or acts as a hold input START CONTINUE Input Normally open circuit The falling edge of a momentary closure short circuit provides a start or continue signal for the GS2150 STOP RESET Input Normally open circuit The falling edge of a momentary closure short circuit provides a stop or reset signal for the GS2150 5VDC to 24VDC Users power supply User s power supply ground HIGH SPEED FEEDER Output Output is On to feed material at high speed SLOW SPEED FEEDER Output Output is On to feed material at slow speed ZERO BAND Output Output is On for selected gross or ne
18. On if the GS2150 is to latch the outputs Select On At if the GS2150 is to acquire a tare at the beginning of the batch and to enable the hold continue feature Digital setup selections are programmed by keying CAL then CAL again to display each parameter The keys LEFT UP and DOWN are used to display and change settings for each parameter Keying END CAL saves the settings after all the changes have been made There is no need to display all the parameters before keying END CAL to save changes If the first parameter is the only change then END CAL can be keyed immediately after the required setting 1s selected page 24 30042003 Gedge Systems Melbourne Australia 4 4 Digital Setup Parameters Following are details of each of the GS2150 s digital setup parameters Zero band ob g 2 The GS2150 s zero band which is programmed for gross or net weight over the range of 0 to 80 display divisions controls the GS2150 s zero band output The zero band output will be ON when the selected gross or net weight plus or minus is equal to or less than the zero band setting The zero band output is not affected by any of the GS2150 s inputs or batch control settings and is active at all times Settings for gross are ob g 0 ob g 1 ob g 2 ob g 5 ob g 10 ob g 20 ob g 40 ob g 80 Settings for net are ob n 0 ob n 1 ob n 2 ob n 5 ob n 10 ob n 20 ob n 40 ob n 80 For example a zero ban
19. This will result in a display of 50000 5000 divisions x count by 10 50000 The same installation could be programmed for 2500 divisions with a count by of 20 2500 x 20 50000 or 1000 divisions with a count by of 50 1000 x 50 50000 Arriving at the best combination of resolution and page 27 GS2150 Batch Controller count by is a matter of working out the required resolution accuracy then setting a count by so that the maximum weight can be displayed A decimal point can then be used to display for example Kilograms or not used if a display in grams is required The GS2150 is not restricted to Kg and gm any units can be displayed batch type bt In n The batch type setting programs the batching method The GS2150 can batch in by gross weight or net weight or batch out by net weight When the batching method is programmed the GS2150 will automatically position all the Hysteresis In Flight and Preliminary settings in the correct location with respect to the Final weight setting If the GS2150 s hold and continue feature 1s required the selection must be either in by net weight or out by net weight This feature is disabled when batching by gross weight The selections are Selection Batching Method bt In g In by gross weight bt In n In by net weight bt Out n Out by net weight nd n L1 The normal display and key locking scheme programs both the value to be displayed most of t
20. bulk bag With OptionBR1 the memorized totals are retained on power loss without OptionBR1 these totals are cleared on power loss page 32 30042003 6 TOTALS BRI BATCHED TOTALS The GS2150 can be factory fitted with a totals accumulator to accumulate batched weight and batch counts to a maximum of NINE digits This option described throughout this manual includes BR1 described above The option accumulates the selected net or gross batched weight and batch counts to battery backed memory which retains the totals in the event of power failure The totals can be recalled and noted at any time the GS2150 is not batching material Gedge Systems Melbourne Australia 7 TECHNICAL SPECIFICATION 7 1 GS2150 Batch Controller INPUT Sensitivity Range 1 00uV d to 75uV d to a max input of 30mV max rangel Display provides 4 to 104 FS Linearity 0 0196 Full Scale Span Stability 30ppn Zero Stability 0 5microV 30ppm of dead load offset Noise IuV p p RTI maximum Zero Adj Range 1mV to 30mV max rangel 10VDC Short Circuit Protected Up to 8 x 350ohm Load Cells in parallel 230mA max Excitation Sensing True differential remote sensing using a separate pair of wires Excitation Source Impedance 2kohm maximum Input Impedance 10Mohm minimum Active 2Hz 2 Pole Low Pass A D averaging 1 to 16 samples Analog Filter Digital Filter CALIBRATION
21. continually measuring the motion of the weigher When the weigher s motion falls below the motion value the GS2150 checks the gross weight to see 1f it 1s below the zero track band If it 1s the gross weight is zeroed out Gedge Systems Melbourne Australia 30042003 GS2150 Batch Controller For example in an installation programmed for 50Kg in 10gm scale divisions a zero track setting of ot3 2 sets the zero track band at 3 divisions 30gm and the motion limit at 2 divisions per second 20gm second When the weigher s motion falls to or below 20gm second the GS2150 checks the gross weight If the gross weight equals or 1s less than the zero track band the gross weight is acquired as zero and zero weight displayed All weighing installations have some time and temperature induced drift Sometimes this drift is not visible because it s small compared to the overall resolution of the weighing system Other times when a large number of scale divisions are used on load cells which are only lightly loaded this drift can become both visible and significant Generally batching by Net weight will avoid the Impact on accuracy of any gross zero drift but it will not avoid the fact that the displayed gross weight of the empty scale is not always zero When batching by gross weight any non zero condition will affect the batching accuracy All of these potential problems are avoided by using the GS2150 s au
22. in flight or preliminary setting of 0 10Kg plus the hysteresis setting of 1 division 0 02Kg plus 1 division 0 02Kg NOTE If these limits were not applied the GS2150 could not turn ON the material feeders with falling weight as this occurs at Final Weight In Flight Hysteresis 1 IN FLIGHT compensation The GS2150 tums the slow speed feeder OFF when the batched weight equals or exceeds the FINAL WEIGHT minus the IN FLIGHT setting If the batch control setting 1s on the GS2150 latches its slow speed feeder output off If however the batch control setting is off the GS2150 does not latch its outputs OFF it will turn the slow speed feeder ON again as soon as the weight falls below the FINAL WEIGHT minus the IN FLIGHT setting minus the Hysteresis setting The IN FLIGHT setting can be anywhere in the range of 0 to 102 of the installations capacity providing the setting is EQUAL to or LESS THAN than the FINAL WEIGHT less 1 division plus the Hysteresis setting The maximum allowed value for the IN FLIGHT setting will generally be of no interest unless batching is being carried out at small fractions of the scale s capacity For an installation batching 20Kg in 20gram increments with the Hysteresis setting at 4 divisions 0 08Kg the maximum value for IN FLIGHT is 19 90Kg and the minimum is 0 00Kg PRELIMINARY compensation The settings range for the PRELIMINARY cutoff setting is the same as the IN FLIGHT setting de
23. method of batching has no START batch concept Automatic zero tracking must be programmed so that the motion condition resulting from feeding materials prevents the GS2150 from acquiring values near zero while feeding The START input can be used to increment the batch Counter and this is its only function with batch control turned off The TARE input can be used to acquire a tare The STOP input has no function For increasing weight the feeder outputs will be ON if the weight 1s less than the set weights As the weight reaches and exceeds the set weights the feeder control outputs are turned off and remain off until the weight falls below the set weights minus the hysteresis setting Gedge Systems Melbourne Australia 30042003 GS2150 Batch Controller Example of an installation of 2000Kg in 1Kg divisions Final weight 200Kg In Flight 10Kg and Hysteresis 6Kg 6divisions The Slow speed feeder output will be ON as the weight increases to 190Kg 200 10 at which point it will go OFF The Slow Speed feeder output will not tum ON again until the weight falls below 184Kg 200 10 Hysteresis 61 The High Speed feeder output behaves in the same way but uses the Preliminary cutoff setting instead of the In Flight setting Selection of batch control on bc On The GS2150 batches using its own internal latching logic to latch the materials feeder outputs and batch complete output off Zero tracking is automatically turned
24. off whenever the GS2150 is feeding material The START input commences a batch Providing the weight is less than the set weights the GS2150 will turn its feeder and batch complete outputs on As the weight reaches and exceeds the set weights the feeder control outputs are latched off They remain off until the next START signal The batch counter is incremented when the Slow Speed feeder is turned off A STOP input can be used to stop the batch a further START input will restart the batch The TARE input can be used before the START input to acquire a tare value for Net weight batching The hysteresis setting has no effect Example of an installation of 2000Kg in 1Kg divisions Final weight 200Kg In Flight 10Kg The Slow speed feeder output will be OFF until a START input is received Following a START input zero tracking will be tumed off as feeding commences Once the slow speed feeder and batch complete outputs are turned ON they will remain ON as the weight increases to 190Kg 200 10 at which point the slow speed feeder will latch OFF and remain OFF until the next START input The batch complete output will latch OFF after the material settling time has expired The High Speed feeder output behaves in the same way the Slow Speed feeder but uses the Preliminary cutoff setting instead of the In Flight setting Note the batch complete output will ONLY be turned on if the Slow Speed feeder is turned on Selection batch control on acq
25. the external equipment to the Check and ensure all of the above are included in the GS2150 shipment Check the GS2150 s rear panel and ensure 8 Carry out test to check the systems operation the operating voltage is the same as the power to be 9 Replace and if required seal the GS2150 s connected to the GS2150 front panel nameplate WARNING ALWAYS MAKE SAFE OR DISCONNECT ALL EXTERNAL DEVICES CONTROLLED BY THE G S2150 BEFORE CALIBRATING OR ENTERING DIGITAL SETUP page 22 30042003 Gedge Systems Melbourne Australia CENT Na IN FLIGHT Tee UNM O UME usi auf ZERO MENU GS2150 Batch Controller GS2150 5535 ENTER CHANGE kg ce GU P Wd E ES DOWN LEFT CAL END Gedge Systems L Q Australia 4 2 Introduction to calibration The GS2150 achieves easy and fast installation by a mostly automatic process using only the front panel keys for calibration and setup There are no internal hidden switches and potentiometers in the GS2150 all controls are external all settings are achieved using only the front panel keyboard Removal of the sealable front panel nameplate gains access to theCAL key and shows the installation description for each of the keys The installation function of the keys is CAL Starts calibration The lamps flash and the message CAL is displayed Keying CAL again steps the G S2150 through the Digital Setup settings END CAL Ends calibration Key during digita
26. zero should be used And two to allow the adjusted In Flight value to be called up and recorded so that it can be used as an initial value the next time the particular material or batch is produced For installations which always batch the same material at similar weights it should never be necessary to manually change the In Flight compensation setting How Automatic In Flight Adjustment works The GS2150 batches material using two outputs These are normally used for fast and slow material feed rates The slow speed feeder cutoff occurs when the actual weight reaches the Final weight minus the In Flight compensation setting Immediately following Slow Speed feeder cutoff the GS2150 sets an internal timer to time out the material settling time interval that was programmed on installation When this time which can be set to 1 2 or 4 seconds has passed the GS2150 compares the actual batched weight with the required Final weight and calculates the weight error Gedge Systems Melbourne Australia If the batched error is zero no adjustment is made If the batched error is outside the programmed adjustment band 2 to 32 divisions it may be the result of a once off problem and no adjustment is made If the batched error is the same or less than the adjustment band the GS2150 changes the In Flight compensation setting by half the error so that over two or three batches with accurate feeders the error can reduce to z
27. 10 The GS2150 s outputs are OFF when the GS2150 s internal controls are open circuit The user s external power supply ground is to be connected to the GS2150 s common output ground terminal 6 and the power supply 5VDC to 24VDC high to each of the GS2150 s output terminals 7 to 10 through the user s device GS2150 s CONTROL OUTPUTS high speed feeder solenoid Example High Speed Feeder or control user s 24V DC power supply Inside the GS2150 User s external circuit Example of the GS2150 s Control Outputs Showing Reverse Voltage Protection HIGH SPEED Feeder NOTE GS2150 Products shipped after April 2003 are fitted with diodes on the OUTPUTS to prevent damage to the output circuit if the supply voltage is connected incorrectly reversed If the OUTPUTS do not appear to operate it may be due to an incorrect connection before calling for assistance double check the terminations to ensure they are as shown in the Figure above for OUTPUTS and the Figure on the preceding page for INPUTS page 8 30042003 Gedge Systems Melbourne Australia GS2150 Batch Controller 2 6 Transient Suppression When the GS2150 s outputs are used to switch loads which are not purely resistive including relay and solenoid coils an external snubber circuit must be used Failure to use a suitable snubber circuit will adversely affect the operation of the GS2150 The drawing below shows two types of snubber circuits a Resistor Capacitor arrangeme
28. 16 2 AIF32 2 AIF 2 4 AIF 4 4 AIF 8 4 AIF16 4 AIF32 4 1 1 1 1 1 1 2 2 2 2 2 4 4 4 4 4 Hysteresis Setting HY 5d When the GS2150 batches with the batch control setting OFF the feeder control outputs are non latching The hysteresis setting will prevent relay chatter at the cutoff weight by the inclusion of a dead band This dead band or hysteresis is user adjustable from 1 to 6 display divisions Mechanically noisy installations will require hysteresis settings in the range 3 to 6 display divisions to avoid relay chatter The dead band hysteresis is automatically located above or below the weight setting by the GS2150 when the batching type is selected page 26 30042003 display rate dr 2 This setting programs the rate that the GS2150 changes the displayed weight The display rate second is arrived at by averaging 1 2 4 8 or 16 weight samples The greater the number of samples averaged the steadier will be the display Medium to slow update rates are easier for the operator to watch during manual feeding than fast update rates This rate has NO EFFECT on the rate at which the GS2150 compares the batched weight to the weight settings it ONLY controls the steadiness of the display If the comparator rate below is set to 1 or 2 for maximum speed then suggested settings for the display ra
29. 50 has reset the batch counter the hold batched weights the stored tare and the accumulated Zero Track value to zero Allow several minutes to pass then remove power for 1 minute If the error message re appears contact the factory Batching can continue with this fault HOWEVER the batch count stored Tare held weights and accumulated Zero Track values will be lost on power failure Err t This fault message usually ONLY occurs following the Err3 message described above A fault has occurred with the accumulated total weights and batch counts The information cannot be retrieved The GS2150 will display this message until any front panel key which is not locked out is operated The totals memory will then be cleared Before batching again allow several minutes to pass then remove power for 1 minute If the error message re appears contact the factory Batching can continue with this fault HOWEVER the accumulated totals may be in error totAL The optional TOTALS for batched weight and batch counts can be displayed Keying FINAL displays the weight total and keying COUNT displays the batched count total See page 16 for a description of how to display and clear batch totals Gedge Systems Melbourne Australia GS2150 Batch Controller 3 3 Front Panel Lamps The GS2150 s front panel contains two groups of colour coded lamps The GROSS NET and COUNT lamps within the blue border identify the information th
30. GS2150 BATCH CONTROLLER OPERATING amp INSTALLATION MANUAL GROSS FINAL WEIGHT NEI IN FLIGHT COUNT COUNT PRELIMINARY ZERO GS2150 5535 kg ENTER CHANGE EN Go PN bd EI EG Gedge Systems capacity By s Australia Table of Contents 1 INTRODUCTION amp FEATURES 4 2 QUICK INSTALLATION amp CONNECTIONS 5 U WW WW WW WWW G9 h2 h2 h2 h2 h2 NY bd bd 1 2 3 4 5 6 7 8 9 1 gi Connecting to the Mains Supply Connecting Load Cells Connecting Control Inputs and Outputs Electrical Specification of the GS2150 s Inputs Electrical Specification of the GS2150 s Outputs Transient Suppression Digital Setup Weight Calibration OPERATING THE GS2150 Applying Power Messages Front Panel Lamps Normal Keyboard Controls Keyboard Controls for optional TOTALS Limits to Weight Settings Operation of the batch Counter Operation of Automatic In Flight Operation of the Remote Inputs 10 Batching amp Operation of the Outputs 4 FULL INSTALLATION DETAILS 22 4 4 4 4 4 4 4 4 4 5 7 Qo 96 30 0 RUE Unpacking Introduction to calibration Digital Setup Digital Setup Parameters Weight Units Labels Load Cell Connection Weight Calibration Sealing the GS2150 Electrical Supply BR1 BATTERY BACKED RAM 32 6 TOTALS BR1 BATCHED TOTALS 7 TECHNICAL SPECIFICATION 33 A
31. If the GS2150 will not accept a particular FINAL weight value the best sequence in which to enter the new setting is to start by clearing the IN FLIGHT and PRELIMINARY settings to zero then to enter the new FINAL WEIGHT This can then be followed by the IN FLIGHT and PRELIMINARY settings If following this procedure any of these settings are not accepted the GS2150 s weight capacity and Hysteresis settings should be checked Limiting values for the GS2150 s settings are FINAL WEIGHT This setting can be anywhere in the range of 0 to 102 of the installed capacity of the GS2150 providing the setting is GREATER than the IN FLIGHT plus Hysteresis settings and GREATER than the PRELIMINARY plus Hysteresis setting Examples of FINAL WEIGHT setting limits for a GS2150 installed with a capacity of 50Kg in 20gram increments are The maximum FINAL WEIGHT is 51 00kg This is 102 of the GS2150 s installed capacity of 50Kg The minimum FINAL WEIGHT setting is 0 04kg with the IN FLIGHT and PRELIMINARY settings at zero and the Hysteresis setting at the minimum of 1 division This minimum value of 0 04kg for this installation is the hysteresis setting of 1 division 0 02Kg plus 1 division 0 02Kg Gedge Systems Melbourne Australia 30042003 GS2150 Batch Controller Minimum FINAL WEIGHT with either of the in flight or preliminary settings at 0 10Kg and the Hysteresis setting at 1 division is 0 14Kg This value is the
32. Melbourne Australia 30042003 page 15 GS2150 Batch Controller 3 5 Keyboard Controls for optional TOTALS The GS2150 s optional batched weight and counts accumulated totals are displayed and cleared using the GS2150 s front panel keyboard How the totals are displayed The GS2150 accumulates totals to NINE digits This can result in a number as large as 999 999 999 having to be displayed on the GS2150 s six digit display This 1s achieved as follows The GS2150 identifies the beginning and end of the NINE digit number by a half bracket character When the GS2150 first displays the selected total it displays the FIVE or SIX least significant digits if the accumulated total is six digits or less that is 1f the entire number will fit within the six digit display If instead the accumulated total is greater than six digits the GS2150 will initially display the SIX most significant digits For example if the accumulated total weight was eight digits 09458321 4 the GS2150 will initially display the six most significant being 5945832 The remaining digits can still be displayed see below The LEFT key IN FLT 1s used to scroll move the displayed total left and right When the total 1s first displayed if the total exceeded six digits the LEFT key will move the total to the left until digit 1 followed by the end half bracket is displayed At this point the entire active part of the accumulated total will have been displayed Keying LEF
33. N FLT and PRELIM keys The batch counter can be displayed using the G N C key Accumulated totals cannot be accessed L3 When locked the CAL key is inoperable Batch counts cannot be displayed or accessed via either the G N C key or the COUNT key Accumulated totals cannot be accessed The final weight in flight and preliminary settings can be accessed and changed L4 when locked all keys are operable but access to the optional accumulated totals is prevented batch counter count3 The GS2150 includes a batch counter which can be programmed to operate in a number of ways including disabled See the full description of the operation of the batch counter on page 18 for further details Programmable settings are counti Counting Up from a preset value to a maximum of 65 534 and stop counting but not batching count2 Count down from a preset value to 00000 and stop counting but not batching count3 Count down from a preset value to 00000 and stop batching with the message count displayed count4 Counter is disabled Batch counts cannot be entered or displayed The GS2150 s keys which select counts have no effect Gedge Systems Melbourne Australia bc On The GS2150 can be programmed to operate in a batch control mode bc On using the external START and STOP inputs to initiate batching OR it can be programmed to operate in a non control mode be OFF where the START and STOP inputs do not co
34. S2150 Batch Controller If the GS2150 has been installed with the batch control setting On that is bcOn but not bcOn At a momentary closure on the START input is used to start a batch by turning the material feeders and batch complete output ON In addition the Zero Track facility is automatically turned OFF If the GS2150 has been installed with the batch type setting to batch by Net weight and the batch control setting On plus Auto Acquire Tare bcOn Af a momentary closure on the START input acts either as a CONTINUE input or a START input depending upon whether it follows a HOLD input a normal batch finish or a STOP input Each is described below START CONTINUE following a HOLD input The message CONT is displayed Operating the START CONTINUE input again will cause the GS2150 to acquire a tare to zero the net weight and then to resume batching where it left off using the memorized batched weight to calculate the remaining weight to batch Feeding will continue normally until the weight of material batched plus the total of material in the memorized registers equals the required weight The Final weight at which time feeding will cease Automatic In Flight compensation adjustment operates normally Operating the STOP RESET input clears the memorized batched totals allowing a batch to be started from the beginning Operation of any other input while
35. T again moves the displayed total right until the beginning half bracket in front of digit 9 is displayed If the total was less than six digit keying LEFT will initially move the displayed total to the right instead of to the left How to DISPLAY the accumulated totals Key G N C until the message totAL is displayed This message will only be displayed if the GS2150 is not batching that is both feeders are off AND the remote key lock input is unlocked When the message totAL is displayed or when the batch totals are displayed the keys ZERO and PRELIM are ignored by the GS2150 A batch START input is also ignored To display accumulated batch counts key COUNT To display accumulated batch weight key FINAL The selected accumulated total will be displayed The lamps COUNT or FINAL WEIGHT will illuminate to identify the total displayed To display the batched count total while the accumulated weight total is displayed first key COUNT to display the message totAL and then key COUNT again to display the accumulated total batch counts To display the batched weight total while the accumulated counts total is displayed first key FINAL to display the message totAL and then key FINAL again to display the accumulated total batch weight To exit and resume normal operation key EXIT How to CLEAR the accumulated totals Select the count or weight total to be cleared as described above Key CLEAR G N C CLEAR The
36. at the GS2150 displays most of the time during normal weighing and batching When settings are being programmed the FINAL WEIGHT IN FLIGHT PRELIMINARY and COUNT lamps within the green border identify the setting displayed In addition the FINAL WEIGHT and PRELIMINARY lamps will be ON whenever the slow speed feeder FINAL WEIGHT and high speed feeder PRELIMINARY are ON As a further aid to the operation of the GS2150 the Gross Net or Count lamp can be programmed to flash whenever the weigher is in motion typically during material feeding When the GS2150 is fitted with the optional TOTALS accumulator the FINAL WEIGHT and COUNT lamps are used to identify the displayed weight or batch count total See page 16 for a description of how to display and clear batch totals QN FLIGHT Tee Bee BE Junsivil rag One of these 3 lamps will be ON during One of these 4 lamps will be ON while normal operation to show that Gross weight settings are displayed and changed Net weight or batch Counts are displayed The GS2150 will automatically return the The lamp will flash if the weigher is in motion display to a weight or count setting if no keys feeding material and zero tracking is on are pressed after any interval of 15 seconds Depending upon the way the GS2150 was while programming a setting installed When the optional TOTALS are displayed the FINAL WEIGHT lamp will be on for the weight total and the COUNT lamp will be on for the batch c
37. ch counting was turned off during installation of the GS2150 The information displayed for each of the green keys is COUNT The presettable batch counter FINAL the final or target weight for the batch IN FLT the in flight cutoff setting which turns the slow speed feeder off at Final Weight minus In Flight PRELIM the preliminary cutoff setting which turns the fast feeder off at Final weight minus Preliminary b ENTER CHANGE Is Tien eeVg NI IN FLT PRELIM o VN ha EXIT CLEAR UP DOWN LEFT SAVE Keying any of these red change keys AFTER selecting a setting to be edited will change clear or save the setting The operation of each red key is EXIT returns the GS2150 to the normal weighing and batching mode WITHOUT saving any of the changes made to the setting CLEAR clears the setting to zero UP and DOWN arrows used to change the setting by rolling the digit which is presently flashing LEFT arrow selects the digit to be changed by operation of the UP and DOWN arrow keys SAVE saves the edited setting blanking the display briefly The GS2150 checks the value of each setting prior to saving it If the setting value means that the GS2150 could not operate correctly the GS2150 will not accept the setting Instead the GS2150 will display a message followed by the correct largest or smallest setting available see page 17 for a description of the available settings values Gedge Systems
38. d setting of 2 divisions for net weight on a scale programmed to display 1Kg per division will result in the zero band output being ON when the net weight is in the range 2kg to 2kg and OFF for all other weights ot3 2 The Zero Track setting programs the GS2150 to automatically maintain a gross weight of zero despite small amounts of drift in the weighing installation The zero track setting which can be automatically turned off while feeding material sets values for the zero track band and motion limit The GS2150 flashes the Gross Net or Count lamp when the weigher is in motion to indicate that the Zero Track feature is active and that motion is occurring Zero tracking The GS2150 will zero track until the accumulated zero track value plus any key ZERO value reaches 4 of the installation s capacity At 4 of capacity the GS2150 will no longer acquire zero values if they cause the accumulated value to exceed 4 This 4 limit is set so that even with the acquired zero at 496 of capacity the weigher can still weigh to full capacity without going off scale Weigher drift which exceeds 4 will generally indicate an installation fault and should be investigated Zero values acquired by use of the ZERO key are always saved during power failure Automatic zero tracked values are not saved during power failure unless the GS2150 is fitted with the Optional BRI battery supported memory The GS2150 zero tracks by
39. details on programming the batch counter s method of operation The batch Count can be displayed while batching It can also be preset at any time The operation of the batch Counter is described below Counting batches If the GS2150 is programmed on installation with its batch control setting OFF it counts ONE batch WHENEVER the remote START input is operated If on the other hand the GS2150 is programmed on installation with its batch control setting ON it counts ONE batch WHENEVER the Slow Speed feeder is automatically switched OFF to stop feeding material Method of Counting The GS2150 can be programmed to operate the batch counter in one of four ways These are count The GS2150 displays the number of batches batched The counter is increased by 1 for each batch with the batch count running from the preset value to a maximum of 65534 The GS2150 stops counting at 65534 but does not stop batching count2 The GS2150 displays the number of batches remaining to be batched The counter is decreased by 1 for each batch with the batch count running from the preset maximum value of 65534 to zero The GS2150 stops counting at zero but does not stop batching count3 The GS2150 displays the number of batches remaining to be batched The counter is decreased by 1 for each batch with the batch count running from the preset maximum value of 65534 to zero The GS2150 stops counting and stops batching at a cou
40. ed Span Calibration Span calibration involves 1 pass using an accurately known weight Zero calibration MUST be completed immediately prior to span calibration The normal weight operation key ZERO must not be used to zero the display prior to span calibration Operation of the key ZERO rather than the key sequence CAL then ZERO may cause zero span interactivity on span calibration The GS2150 exhibits no interactivity between span and zero Any failure to return to zero following span calibration is solely the result of hysteresis or non repeatability in the weighing installation 1 Place a calibration weight of 50 to 100 of the scale s capacity on the scale A weight of 100 must be used if calibration 1s being carried out with the range setting on range or range3 Smaller weights can be used if calibration is being carried out with the range setting on rangel 2 Check the GS2150 s display If the display contains a weight or the message go to step 3 If however the message OFF or OFF is displayed the electrical input from the load cells is outside the GS2150 s calibration range and the GS2150 will be unable to calibrate the input If either of these messages is displayed set the digital setup parameter range to 1 rangel This setting allows a load cell input of up to 30mV and this level is unlikely to be exceeded by the live load on the majority of weighing systems
41. ero In addition to making the In Flight compensation adjustments the GS2150 tums off the batch complete output after the material settling time period has expired The batch complete output was turned on when material feeding commenced The Auto In Flight Adjustment settings are contained in the section Digital setup on page 26 Note In Flight compensation settings entered via the GS2150 s keyboard including any initial new settings are saved even in the event of power failure The current value which may be the result of automatic adjustment is not saved on power failure unless the GS2150 is fitted with battery backed memory Option BRI Without BR1 the GS2150 restores the initial value on power up and within a few batches will have adjusted it to the most accurate value possible 3 9 Operation of the Remote Inputs The GS2150 includes 4 optically isolated control inputs described in detail below Connections are only required to inputs which are to be used Unused inputs are ignored by the GS2150 For connection details and electrical specification of the GS2150 s Inputs see page 6 For Digital setup settings that control the operation of the Inputs see the batch control and batch type settings on page 29 KEY LOCK This input is unlocked when open circuit or when no connection is made to the GS2150 and locked when closed The effect of the locked input depends upon the locking scheme selected during
42. etting programs the feeder control dead band The setting will depend upon the application dr 2 display rate select a rate divider to provide a steady display Start with 2 cr 1 comparator rate the rate at which the GS2150 compares set weights to actual weights Start with 1 and increase 1t to 2 4 etc 1f feeders are not steady LP OFF Linear predictive modelling start with linear prediction OFF rAngE1 range load cell millivolt input range Start with range 1 If greater speed required try 2 and 3 Full load input for each range is 1 30mV 2 20mV and 3 10mV d 10000 display divisions select the required number for the weight to be displayed dP0 00 decimal places select the required number for the weight to be displayed Cb 1 count by select the required number for the weight to be displayed bt In n batching type select the required batching method depending upon the application Batching by net weight is required for the hold continue feature nd n L1 normal display and key locking scheme selects the display the GS2150 should show most of the time and the keyboard locking scheme used when the remote key lock input is locked The selection will depend upon the application count3 batch counter select the method of operation for the batch counter The selection will depend upon the application Count4 disables the counter bc On At batch control select batch control
43. grammed for 1000 divisions 1000 parts can display 50gm increments 50Kg 1000 50gm Target weights can be set and batched to 50gm for example 20 05Kg If greater accuracy is required programming the GS2150 for 5000 divisions will allow 10gm increments to be displayed and entered as required weights For example 20 01Kg an improvement in accuracy based on resolution of 5 to 1 dP 0000 Number of decimal places from none to 0 0000 Decimal Places This setting has no effect on the accuracy of the installation It 1s only used to allow the weight to be displayed in suitable units For example 50Kg can be displayed as 50000gm or using a decimal point with 3 decimal places as 50 000Kg Cb 5 Minimum display steps regardless of decimal place Adjustable 1 2 5 10 20 amp 50 The maximum value is limited by the display resolution setting to ensure a display greater than 199990 does not occur Count By Resolution Count by max 400 to 10 000 10 400 to 9 500 20 400 to 3 900 50 This setting does not affect the overall accuracy resolution of the installation The count by setting is used to set the maximum weight number that will be displayed as well as the value of each weight increment The displayed maximum weight will be the resolution setting multiplied by the count by setting For example an installation batching 50Kg can be programmed for 5000 divisions with a count by setting of 10
44. he time by the GS2150 AND the effect that the remote key lock input has on the front panel keys normal display key locking scheme The normal display selection of gross weight nd g net weight nd n or batch counts nd c will select the value displayed by the GS2150 at power up following calibration and on time out of a setting display During normal operation the G N C key can be used to display other settings HOWEVER the GS2150 will revert to the normal display selection following power up calibration and on automatic time out of a setting display When the GS2150 s counter 1s disabled batch counts cannot be displayed even if selected in this setup setting If the normal display selection of counts is made the gross weight will be displayed instead of counts The locking scheme selection LI to L4 selects the GS2150 s response to the operation of the front panel keys when the remote key lock input is locked All keys which are operated while locked out result in the message Locd being displayed and the key ignored page 28 30042003 The effect of the GS2150 s remote key lock input being locked for each of the key lock schemes is L1 When locked all the GS2150 s front panel keys are locked out L2 When locked the CAL key is inoperable Also prevents access to the count final weight in flight and preliminary settings using the COUNT FINAL I
45. including the implied warranties of fitness for a particular purpose and merchantability Seller shall not be liable for any special incidental or consequential damages resulting from a breach or alleged breach of this warranty Warrants The Seller warrants to the Buyer that the equipment shall be manufactured by good workmanship of materials free of defect and that such equipment when used and programmed in accordance with the Seller s instruction manuals shall perform in accordance with the equipment s specifications page 34 30042003 Repair Replace Exceptions The Seller shall repair or replace at its discretion free of charge any equipment or option which is returned to its facility within twelve 12 months of shipment to the Buyer and which upon examination proves to be a manufacturing defect The warranty does not apply to any equipment that has been A Repaired or modified by other than a duly authorized repair facility B Programmed or adjusted not in accordance with the equipment s manual C Mishandled abused or which in the Seller s sole judgment has been exposed to an environment for which the equipment was not designed Shipping Costs This warranty applies to equipment received at the Seller s facility freight prepaid by the Buyer and does not include return freight to the Buyer s premises Gedge Systems Melbourne Australia GS2150 Batch Controller This page intentional
46. l setup to save settings and return to normal weighing and batching Key while CAL is displayed or during span calibration to return to normal weighing and batching without changing the calibration settings LEFT Sets the value 1 to 10 000 by which the keys UP and DOWN change the displayed setting The digit to be changed flashes Gedge Systems Melbourne Australia 30042003 Changes the displayed value by decreasing the digit which is flashing Used to change the span calibration weight and the digital setup display resolution value During digital setup this key displays the available parameter settings UP Changes the displayed value by increasing the digit which is flashing Used to change the span calibration weight and the digital setup display resolution value During digital setup this key displays the available parameter settings ZERO Keyed following CAL to automatically zero out the weighing system s dead load offset SPAN Keyed following CAL to start automatic span calibration The maximum installed weight capacity of the GS2150 is first displayed for 5 seconds followed by 000000 Use the keys UP DOWN and LEFT to enter the calibration weight Key SPAN again to automatically span the GS2150 to the required displayed value page 23 GS2150 Batch Controller 4 3 Digital Setup Digital setup is used to program the GS2150 s method of operating by making selections for each of the GS2150 s operating pa
47. lanks briefly when a new zero is acquired The 4 limit to the total weight which may be zeroed includes the currently displayed gross weight PLUS any weight zeroed out by previouse ZERO key and ZERO TARE G N C ZERO CLEAR a G N C TARE This key operates all the time the GS2150 is in the This key operates when GROSS normal weighing and batching mode Operation of weight NET weight or COUNTS are the G N C key displays GROSS weight NET displayed It also operates if the weight and batch COUNTS and if the optional weigher is in motion while batching TOTALS are installed displays the message total allowing the weight or count totals to be displayed On operation of the TARE key the present gross weight is acquired as a The GS2150 maintains the selected display until tare value the resulting NET weight changed with the G N C key or until power failure will be zero The GS2150 switches the when the display default selection of Gross Net or display to NET weight on operation of Counts will be displayed the TARE key except when batch COUNTS are displayed Counts will not be displayed if batch counting has been turned off during installation of the GS2150 The message total will not be displayed unless the TOTALS option is fitted the GS2150 is not batching and the remote key lock is unlocked page 14 30042003 Gedge Systems Melbourne Australia GS2150 Batch Controller The Six keys used to Prog
48. ly blank Gedge Systems Melbourne Australia 30042003 page 35
49. ng junction boxes must provide shield continuity The table and connector drawing below shows the load cell connections GS2150 s LOAD CELL CONNECTOR Pin Number Connection 3 Positive Excitation Exc Negative Excitation Exc Positive Sense Positive load cell Signal Sig Negative load cell Signal Sig 4 3 8 Negative Sense 2 1 GS2150 Frame Cable Shield 7 Ground Normally no connection The shield MUST be connected to the back shell by crimping it between the two shells ensuring there is no gap between the shells AND it MUST also be connected to pin 6 or 9 of the load cell connector GS2150 s Load Cell Connector viewed from the Cable side Gedge Systems Melbourne Australia 30042003 page 5 GS2150 Batch Controller 2 3 Connecting Control Inputs and Outputs Control inputs and outputs are connected to the GS2150 via a plug and socket 10 way screw terminal To ensure that the GS2150 installation does not interfere with other equipment and that other equipment does not interfere with the GS2150 the control cable must comply with the general requirements of Tech Note TN 1021 Shielding Cables and Connectors This Tech Note is included with the documentation shipped with the GS2150 For your convenience the GS2150 uses a screw terminal for its inputs and outputs rather than a plug and socket connection as described in the tech note
50. nged are programmed using Digital Setup see Digital Setup pages 25 and 26 The GS2150 can be programmed to latch its feeder control outputs OFF when the required Final weight is reached Alternatively the GS2150 can be installed to not latch its outputs when the Final weight is reached With this latter non latching method the feeder outputs will turn ON again if the weight falls below the Final weight by an amount in excess of the In Flight and Hysteresis settings The GS2150 s Zero Band output is always non latching The batch complete output is always OFF unless the GS2150 is programmed with batch control on in which case the batch complete output latches off when the batch is finished The GS2150 includes a batch counter which can be preset It can be installed to display batch counts and not stop batching OR installed to display batch counts and stop batching when the required number of batches is completed The GS2150 includes four logic inputs Three of these can be used to control the batch process The other is used to lock out the GS2150 s front panel keyboard The batch control inputs are described in detail in the previous chapter Generally they comprise a START CONTINUE to commence a batch and if required acquire a tare a STOP RESET to stop feeding and an Acquire TARE HOLD input for use if the tare value is not acquired automatically following START or to hold a batch Gedge Systems Melbourne
51. nt and a reverse biased Diode In both cases the snubber components must be fitted as close to the solenoid inductive load as possible in order to be effective Of the two circuits the RC network will generally provide the best result GS2150 s CONTROL OUTPUTS showing Spike Supression Resistor RC network across the external load C 0 10 to 1 0 microfarad Rresistance same as the load Inductive load eg Solenoid to GS2150 24VDC DIODE across the external load Diode should be reverse biased and have a peak inverse voltage of about 10 times the circuit voltage anda forward current larger than the load Inductive load eg Solenoid to GS2150 spike supression close to and acros RECOMMENDATIONS the external inductive load See examples above high speed feeder solenoid or control 24VDC user s 24V DC power supply Inside the GS2150 User s external circuit Transient Suppression for Inductive Loads Gedge Systems Melbourne Australia 30042003 page 9 GS2150 Batch Controller 2 7 Digital Setup The Digital Setup selections should be programmed before weight calibration The setup settings are accessed in order of settings most frequently changed to settings least frequently changed The table below briefly identifies each setting together with a recommendation Digital setup on page 24 should be read for full details To program settings key CAL to display the settings then CAL again to display each setting
52. nt design Complete in house manufacturing and testing assure a long trouble free life Low additional equipment costs Powerful optically Isolated 0 5Amp 5VDC to 48VDC solid state outputs current sinks allow direct connection to feeder solenoids driven by a user supplied low cost power supply a Controls Dual Speed feeders via High Speed and Slow Speed Control Outputs a Fully automated batching using the Zero band Output and Batch Complete output avoids the need for discharge and cycle timers High Accuracy Batching is assured by use of the GS2150 s Automatic In Flight Compensation adjustment feature a External batch Controls comprise FOUR Optically Isolated Control Inputs for KEYBOARD LOCKOUT Acquire TARE START and STOP batch Control inputs are programmable to a range of uses page 4 30042003 a Drift free gross display at zero guaranteed Includes automatic Zero maintenance using adjustable Zero Track and Motion feature a Optional 9 digit Totals Accumulator to totalize batched weight and the number of batches The GS2150 is a proper full function weight indicator It is designed and manufactured by Gedge Systems who has international weights and measures approvals for weight indicators and controllers Not a Panel meter a Display any weight to 199990 The wide ranging display of 6 digits allows virtually any weight to be displayed weight settings include adjustable display resolution from
53. nt of zero When the count of zero is reached the GS2150 displays the message count and will not batch again until a new preset batch count is entered page 18 30042003 count4 The counter 1s disabled and cannot be displayed or selected via the keyboard 3 8 Operation of Automatic In Flight The GS2150 includes automatic in flight compensation adjustment to maintain the highest possible batching accuracy without the need for operator intervention Automatic In Flight Compensation adjustment which can be turned off is programmed during installation of the GS2150 Two settings are selected They are an automatic in flight adjustment limit band and a material settling time interval The adjustment limit band sets the value each side of the required Final weight within which the GS2150 can make in flight adjustments The settling time interval sets the time that the GS2150 must allow the material in flight to settle and the weigher to become steady before making any adjustments In Flight compensation values can be entered via the GS2150 s keyboard even when the auto adjustment feature is on The reasons for this are One whenever a new material is to be batched or there are other changes to the installation a new initial In Flight compensation setting should be entered This setting will either be based on a record of earlier similar batches or will be an estimate of the most likely value If in doubt an initial value of
54. ntrol the batching process In addition when the GS2150 is programmed to operate in the batch control mode with the Auto Tare function ON bcOn At the operation of the start stop and tare inputs are expanded to include START CONTINUE STOP RESET and TARE HOLD as described on page 19 batch control The GS2150 s Zero Band output is operated all of the time for all batch control settings The GS2150 s Batch Complete output is only active if the batch control setting is On or On At A brief description of the batching cycle and selections is included below Refer to the section Batching Operation on page 20 for further information The GS2150 s optional TOTALS accumulation of batch counts and weight is ONLY active if batch control is ON That is bc ON or bcOn At is selected NOTE In the explanation below set weights refers to the Final weight minus the In Flight setting which controls the Slow Speed feeder output and the Final weight minus the Preliminary setting which controls the High Speed feeder output Weight refers to batched weight or weight on the scale Selection of batch control off be OFF The GS2150 batches using external latching logic to latch its feeder outputs off With this selection the GS2150 drives its two feeder control outputs all of the time The batch complete output is always off Zero tracking 1s not automatically turned off when batching because this
55. o 4 through the user s devices No connection is required in applications where a particular input is not used For example no connection is needed to Input number 1 Key Lock if the key lock feature is not required GS2150 s CONTROL INPUTS Example START Input user s 24VDC LY power supply ground 2 2kOhm 3 mpar START START switch control Inside the GS2150 User s external circuit lt i Example of the GS2150 s Control Inputs START Input WARNING Take care when connecting the remote 24VDC supply Make certain that the GROUND is connected to pin 6 and the 24VDC to pin 5 Reversing this connection will cause damage Gedge Systems Melbourne Australia 30042003 page 7 GS2150 Batch Controller 2 5 Electrical Specification of the GS2150 s Outputs The GS2150 s 4 optically isolated outputs are open collector solid state devices capable of sinking a maximum of 0 5Amp at 5VDC to 45VDC The outputs are suitable for connection to the user s logic or control supply for TTL CMOS devices such as Opto 22 solid state relays Opto couplers solenoid operated relays and control solenoids drawing less than 0 5Amp coil current with reverse bias diode protection across the coil For details of protection circuits see following page The GS2150 s outputs are ON when the GS2150 s internal controls are sinking current to the users s supply ground terminal 6 through the user s output devices connected to terminals 7 to
56. of 10Kg second would generally mean that each weight sample for the GS2150 running at its maximum update rate of 44 second would be 0 23Kg It would not be possible to batch to a greater accuracy than this Gedge Systems Melbourne Australia However using the GS2150 s Linear Predictive Modelling at 800 second each weight sample appears as 0 01Kg 10Kg per second divided by 800 It 1s then possible to batch to an accuracy 23 times better at 0 01Kg To obtain the best from this technique the material feeders should be fast and repeatable The feeder rate 1n addition to being fast must also be steady Maximum batching speed and accuracy for any installation will only be found by experimentation The recommended procedure is to first turn Linear Prediction off and experiment with comparator rates until a combination of speed and repeatability is obtained Then turn Linear Prediction on and increase the feeder rate until the fastest throughput at the desired accuracy is obtained Turning Linear Prediction on may not always improve accuracy if the feeder rates are low As the feeder rates are increased Linear Prediction will improve batched accuracy range rAngEI The range selection sets the maximum millivolt level for the GS2150 s load cell input The purpose of this selection is to provide faster weight comparisons where possible For installations where the highest speed is not required range 1 should be selected as this
57. onnector for load cells to minimize interference and a plug connected mains power cable a Quality Assured via extensive performance verification prior to shipment Gedge Systems Melbourne Australia GS2150 Batch Controller 2 QUICK INSTALLATION amp CONNECTIONS This section contains all of the GS2150 s connections and settings To avoid duplication much of the material in this section does not appear elsewhere in the manual Therefore all personnel installing the GS2150 will need to refer to this section Those familiar with the GS2150 may only need to refer to this section of the manual with occasional reference to the more detailed sections Other personnel should read the manual completely 2 1 Connecting to the Mains Supply The GS2150 may be connected to the local power supply directly or through an isolation switch but always in compliance with the local electricity authority s codes of practice In any event the means must be made available to remove power from the GS2150 during service WARNING Check the rear panel of the GS2150 for the mains voltage required before connecting the GS2150 to the local power supply 2 2 Connecting Load Cells Load cell connection to the GS2150 is via a rear mounted 9 pin D male connector A mating female cable connector 1s provided A high quality load cell cable with a braided shield having twisted conductors must be used to minimise interference All cable extensions includi
58. ounts total The GS2150 does not automatically exit the totals display mode after 15 seconds of key inactivity In addition totals cannot be displayed while batching and batching cannot be started while displaying totals Gedge Systems Melbourne Australia 30042003 page 13 GS2150 Batch Controller 3 4 Normal Keyboard Controls The GS2150 s keyboard contains 7 keys as described in the following Three of the keys are used during normal weighing and batching They ZERO the gross weight acquire a TARE value and select Gross Net or batch Counts to be displayed The other four keys together with dual functions on two of the weighing keys are used to program weight and count settings If the GS2150 s TOTALS option is installed these keys are also used to display and clear the accumulated totals See page 16 for a description of how to display and clear batch totals The Three keys used during normal Weighing and Batching The normal weighing keys are coloured blue Their functions are described below If the message Locd appears when a key is operated the GS2150 s external key lock input is ON and the key cannot be used When the optional TOTALS are locked out the Locd message does not appear Instead the totals are just not displayed ZERO This key ONLY operates if the GS2150 is displaying GROSS weight AND the total weight to be zeroed out is less than 4 of the weighing capacty The GS2150 s display b
59. programmed during installation The GS2150 will identify any installed options together with the software version and issue number if the G N C key is held down when the power is tumed on These details are followed by a display segment check The displayed messages are Std Standard No options are installed brl Option BRI battery backed RAM is installed br1 t Option TOTALS BRI totals accumulator and battery backed RAM is installed dc0 3 Product designation and software version issue number 88888 Display segment check Gedge Systems Melbourne Australia 30042003 3 2 Messages The GS2150 displays the following messages as warnings or to advise of faults Locd The entire keyboard or the particular key is locked via the GS2150 s key lock input Hold Is displayed for 2 seconds after operation of the remote HOLD input The weight of material batched is memorized The GS2150 continues batching where it left off when CONTINUE is operated Cont Is displayed following operation of the CONTINUE input if the GS2150 has memorized the weight of material batched so far CCONTINUE has been operated after the batch was paused using HOLD The CONTINUE input will cause the GS2150 to resume batching the STOP input will reset the batch clearing the accumulated batched weight all other keys are ignored with the GS2150 blanking the display briefly to signif
60. put from 0 to 80 display divisions with the test able to be made on NET weight or GROSS weight The new software is compatible with all dc0 6 version GS2150 products as the ONLY change is the zero band setting The new software is compatible with products having software versions dc0 5 to dc0 0 HOWEVER the entire installation and all of the setup settings and calibration settings will require careful review as there are extensive differences between version dc0 0 and the now current version dc0 7 Contact the factory for cost and details regarding upgrades The contents format and authorship of all material produced or printed by any medium by or on behalf of GS Systems Pty Ltd is the subject of strict proprietorship of and by GS Systems Pty Ltd and cannot be copied reproduced plagiarized or used in part or in whole either directly or indirectly by any party whatsoever without the prior written consent of GS Systems Pty Ltd This publication all of its parts and all matters derived from it forms part of such material C N1840 C ecd page 2 30042003 Gedge Systems Melbourne Australia GS2150 Batch Controller AUTOMATIC IN FLIGHT ADJUSTMENT WILL REDUCE THIS DEVIATION PRELIMINARY IN FLIGHT ACTUAL WEIGHT SETTLING TIME A SLOW SPEED OFF B HIGH SPEED OFF C HIGH SPEED amp SLOW SPEED FEEDERS ON ZERO BAND OUTPUT START INPUT FALLING EDGE INITIATES START amp AUTO TARE
61. ram Weight and Count settings Six of the GS2150 s keys have dual functions and are used to display and program weight and batch count settings When the GS2150 s TOTALS option is installed these keys are also used to display and clear the accumulated batched weight and count totals See page 16 for a description of how to display and clear batch totals To separate these keys from the weighing keys they are coloured differently The settings keys are coloured red and green whereas the weighing keys are coloured blue The green keys are used to select the setting to be changed and the red keys are used to make the changes to save the changed values and to retum the GS2150 s display to the normal weighing and batching mode If the message Locd appears when a key is operated the GS2150 s external key lock input is ON and the key cannot be used The GS2150 s batch counter can be disabled during installation This prevents counts from being displayed The GS2150 can continue batching while weight and count settings are being changed HOWEVER caution should be used in changing any settings while batching is in progress COUNT FINAL IN FLT PRELIM Keying any of these green keys while the GS2150 is in the normal weighing and batching mode will display the selected setting As soon as the setting is displayed the digit on the right flashes to indicate that the setting may be changed by use of the RED change keys Counts are not displayed if bat
62. rameters During programming the GS2150 displays symbols for each parameter with the most frequently changed parameters being displayed first The table below lists each digital setup parameter with example settings Full details are contained in the section that follows the table Digital Setup Parameters Suggested Comments Settings obg 2 zero band this setting in display divisions for the selected gross or net weight operates the zero band output The output is on whenever the gross net weight is within the zero band The value will depend upon the application ot3 2 Zero tracking automatic gross zero maintenance The left hand value is the zero track band The right hand value is the motion limit in display divisions per second Start with a zero track band of 3 and a motion limit of 2 divisions per second This setting should be off during weight calibration AIF 16 2 Automatic In Flight adjustment The left hand value is the band within which automatic adjustments are made The nght hand value is the settling time in seconds If set to OFF the batch complete output is turned on 1 second after Slow Speed feeder cutoff Otherwise the time setting of 1 2 or 4 seconds is used for the batch complete signal Make the initial setting 16 display divisions and 2 seconds and tune the installation trying different settings HY 2d Hysteresis this setting has no effect if the batch control setting is on bc On or bc On At Otherwise this s
63. scribed above AUTOMATIC IN FLIGHT COMPENSATION ADJUSTMENT The GS2150 can be programmed during installation to automatically adjust the In Flight compensation value to maintain accurate batching despite changes in the batching characteristics of the material and feeders When this feature is ON the IN FLIGHT compensation setting should not be changed via the keyboard except when a new material is to be batched requiring a new In Flight initial value If required the automatically adjusted In Flight compensation value can be called up and noted using the keyboard For further details on Automatic In Flight compensation adjustment see page 18 page 17 GS2150 Batch Controller 3 7 Operation of the batch Counter The GS2150 includes a batch counter which can be preset via the keyboard The batch counter can count up to 65 534 batches The counter s preset value is saved during power failure however the present actual batch count will be lost Where retention of the present batch count is required a factory fitted battery supported ram Option BRI is available This option retains the present actual batch count in the event of power failure BRI also retains the Zero Tracked value and the Tare value on power failure The method of operation for the GS2150 s counter is programmed during installation using the Digital Setup settings batch counter and batch control see the Digital setup page 28 for
64. t Failure to strictly follow the installation techniques provided in this manual for the load cells and any other equipment may make the installation unacceptably sensitive to interference Refer to the load cell connection table and drawing on page 5 of this manual for the connector pin details page 30 30042003 4 7 Weight Calibration Weight calibration involves zeroing out the dead load offset of the weighing installation and spanning the GS2150 display for the desired weight Digital setup should be completed before weight calibration Also for best results allow the indicator and load cell s to warm up for 30 minutes or more Selection of digital setup rangel is recommended for weight calibration as this allows the widest electrical input from the load cells If higher speed is required different ranges can be tried after calibration see the digital setup parameter range on page 27 for further information EITHER DISCONNECT OR OTHERWISE MAKE SAFE ALL EXTERNAL DEVICES CONTROLLED BY THE GS2150s OUTPUTS BEFORE PROCEEDING Zero Out The Dead load Offset 1 Remove all live loads from the weighing system Set the digital setup parameter normal display to show gross weight nd g This setting is not essential to weight calibration but it will make it easier to see that the GS2150 has been calibrated to the correct weight 2 Check the GS2150 s display If the display contains a weight or the message
65. t weight within the zero band BATCH COMPLETE Output Output goes On when Slow Speed feeder is turned on and off after time out following Slow Speed feeder going off Only functional if batch control parameter is on The operation of these inputs and outputs depends upon the way the GS2150 is setup during installation See Digital Setup on page 24 for further details a 2 3 a e P4 3 gt ic x The drawing shows the numbering used for the screw terminal as it does not have any numbers printed upon It page 6 30042003 Gedge Systems Melbourne Australia GS2150 Batch Controller 2 4 Electrical Specification of the GS2150 s Inputs The GS2150 s 4 optically isolated inputs each have an internal current limiting 2 2k Ohm resistor The inputs are suitable for connection to switches relay contacts Opto coupler outputs PLCs and other logic devices Inputs are ON when the user s external device is closed shorting the external power supply low through the user s device to the GS2150 s Input connection Inputs are OFF when the user s device 1s open circuit or there is no connection to the GS2150 The user s external 5VDC to 24V DC power supply HIGH is to be connected to the 24VDC input terminal 5 of the GS2150 s Input Connector The power supply ground of the user s external supply 1s connected to each of the GS2150 s input terminals 1 t
66. te are 2 or 4 comparator rate cr l The comparator rate is much more important than the display rate as it affects the way the GS2150 batches material The comparator rate value sets the rate at which the GS2150s compares the weight of material batched to the required weight settings The actual comparison rate is arrived at by averaging 1 2 4 8 or 16 actual batched weight samples and comparing the average with the required weight settings Generally the greater the number of samples averaged the steadier will be the weight value used However the cutoff timing may be slower unless Linear Predictive Modelling is used The best value for a particular application will ONLY be arrived at by experimentation This value is adjustable from 1 to 16 with the comparator actual rate in comparisons per second being as shown below Selection Comparator Rate Second range 1 range2 range3 cr 1 29 34 44 cr2 14 5 17 22 cr 4 72 8 5 11 cr 8 3 6 4 2 5 5 cr 16 1 8 2 1 2 8 Linear Prediction LP On The GS2150 includes Linear Predictive Modelling This feature allows the GS2150 to compare the actual weight to the preset weights at an effective rate of 800 times second REGARDLESS OF THE COMPARISON and UPDATE RATE used Material feeders can be controlled to a time accuracy better than 1 25milliseconds The advantage of this technique should be visible in even medium speed batching applications For example feeding material at a rate
67. tomatic zero maintenance zero tracking feature which will compensate for zero drift Motion Time dd per second Zero Track Band dd disabled Displayed Setting otOFF otl 1 ot3 1 ot9 1 otl 2 ot3 2 ot9 2 otl 4 ot3 4 ot9 4 otl 8 ot3 8 ot9 8 otl 16 ot3 16 ot9 16 Oo Oo RIPPIN NIN JR JR ye ON e WO uo w 5u5uoL ouLL ouiILmiIoouI I ON page 25 GS2150 Batch Controller Auto In Flight Adjustment AIF 8 2 The GS2150 can make small automatic adjustments to the In Flight setting whenever the batched weight is not exactly the required Final weight These automatic changes are made after the Slow Speed feeder is turned off A material settling time is then allowed If after this time the weight error is within the automatic adjustment band the GS2150 will change the In Flight setting by half the actual batched error Automatic In Flight adjustments are only made if the GS2150 s batch control setting is ON The available settings are shown below For a full description of the operation of the automatic in flight feature refer to page 18 Motion Settling Time and Batch Complete Output delay in seconds Automatic In Flight Adjustment Band dd Displayed Setting AIFOFF disabled AIF 2 1 2 AIF 4 1 4 AIF 8 1 8 AIF16 1 16 AIF32 1 32 AIF 2 2 2 AIF 4 2 AIF 8 2 AIF
68. ts as HOLD function rather than a TARE function unless the GS2150 is batching by Gross weight in which case this input has no function When the GS2150 is setup to batch in or out by net weight a HOLD input has the following effect If the feeders are ON they are turned OFF If the batch complete output is ON it is turned OFF The message Hold is displayed for 2 seconds If this is the first time that the HOLD input was operated the current net weight is saved to the memorized batch total If this is NOT THE FIRST time that the HOLD input was operated the present net weight is added to the memorized batch total The HOLD input can be operated an unlimited number of times to pause a batch and to add the amount batched so far to the memorized total STOP RESET This input has no effect if the GS2150 has been installed with its batch control setting OFF If the batch control setting is ON a momentary closure of the STOP RESET input will latch the material feeders and the batch complete output OFF The STOP RESET input also clears the memorized batch weight so that a START input commences a full batch rather than continuing a partially completed batch START CONTINUE If the GS2150 has been installed with the batch control setting OFF a momentary closure on this input is used only to increment or decrement the batch counter page 19 G
69. tted with a battery backed RAM OptionBR1 to save settings which are otherwise lost during power failure The settings retained during power failure together with the normal effect of power loss on these settings are shown below Zero Tracked Value The GS2150 normally clears the zero tracked gross value on power failure With OptionBR1 this value is saved BRI is not required to save the front panel key ZERO value This value is always saved during power failure Tare Weight The GS2150 normally clears the tare weight on power failure With OptionBR1 this value is saved Batch Counts The preset batch count value entered via the GS2150 s keyboard is always saved during power failure The actual batch counts are cleared to zero when power is applied If the actual batch counts must be retained on power loss OptionBR1 should be fitted Adjusted In Flight Setting The In Flight setting entered via the GS2150 s keyboard is always saved during power failure However any adjustments made to this setting with the GS2150 s automatic In Flight adjustment feature are cleared on power failure unless OptionBR1 is fitted in which case they are retained Memorized Batched weight The GS2150 can be programmed to memorize the batched weight so that an accurate Final Weight can be batched with any number of HOLD and CONTINUE operations even while changing the gross weight refilling a bin or changing a material
70. uire tare bcOn At The GS2150 batches in a similar way to the bc On selection above except that When batching by net weight the hold continue feature is enabled See page 19 for more details The GS2150 automatically acquires a Tare value following the START CONTINUE input page 29 GS2150 Batch Controller 4 5 Weight Units Labels The GS2150 front panel is printed with the units kg However the GS2150 can be calibrated to any units If other weight units are required select the appropriate label from the labels kit supplied with the GS2150 Labels are provided for Ib g N kN OZ OZ t lb t t and a blank label for customized units 4 6 Load Cell Connection Before connecting the load cell s to the GS2150 ensure that the entire load cell cable has shield continuity and that a high quality BRAIDED shield is used Also ensure that the shield is NOT grounded at the load cell end although in some situations a ground at the load cell end has been found to diminish interference Load cell connection is via a rear mounted 9 pin D male connector A mating cable connector is provided The shield MUST be connected to the back shell by crimping it between the 2 shells ensuring there is no gap between the shells AND it MUST also be connected to pin 6 or 9 of the load cell connector High power radio transmitters in factories and vehicles makes the use of proper load cell installation techniques importan
71. us the Preliminary setting 1s reached the High Speed feeder output latches off Feeding continues at the Slow Speed feeder rate until the Final weight minus the In Flight setting is reached The Slow Speed feeder output latches off The Batch Counter 1s then incremented or decremented by one and the settling time interval of 2 seconds commences After this time the GS2150 makes any necessary In Flight adjustments and latches the batch complete output off If the GS2150 s optional TOTALS accumulator 1s installed the GS2150 adds the batched weight to the NINE digit total and adds 1 to the NINE digit accumulated batch counts Simple external controls can now discharge the hopper or bag using the Zero Band output to detect the empty condition prior to commencing another batch Gedge Systems Melbourne Australia 30042003 page 21 GS2150 Batch Controller CEULLINSISLLATTON DETAILS 1 Unpackiig Installation of the GS2150 involves these nine steps The GS2150 shipment comprises 1 Unpack the GS2150 Check the supply a GS2150 Instrument voltage b Power Cord 2 Program the Digital Setup Parameters c This Manual 3 Attach the weight units label to front of d Weight Units Label kit l GS2150 e Panel mounting slides kit 4 Connect the load cell s f Load cell cable connector and back shell 5 Zero the scale s dead load g Control cables removable screw connector 6 Apply a weight and span calibrate 7 Connect
72. y proper operation HI The entered weight setting exceeds the GS2150 s installed capacity Use the revised weight now displayed if the maximum weight available is required LO The entered weight is lower than the minimum allowed Use the revised weight now displayed if the minimum weight available is required page 11 GS2150 Batch Controller The load on the weigher exceeds 120 of the GS2150 s installed capacity OFF The load on the weigher exceeds the GS2150 s load cell input capacity OFF The load on the weigher is below the GS2150 s load cell input capacity Prg Err The GS2150 s program has developed a fault Contact the factory ErrA A calculation error has occurred Check the weight and count settings Contact the factory if this persists Err o Overflow Error This error which is very unlikely only occurs if the current batched weight when added to the totals accumulator results in a total which exceeds 9 digits 999 999 999 The GS2150 halts batching with this message displayed until any front panel key which is not locked out is operated Following the key the GS2150 resumes normal operation The batch just completed could NOT be added to the accumulated totals The accumulated totals should immediately be displayed noted and cleared BEFORE any further batches are produced page 12 30042003 Err3 The battery supporting the GS2150 s option BR1 memory chip may have failed The GS21

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