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Milltronics Accumass BW100, Instruction Manual

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Milltronics Accumass BW100 Instruction Manual Download Page 32

Span Calibration

Run the conveyor until the belt is empty and stop it. Suspend the test weight from the
scale per its instruction manual. Run the conveyor belt empty.

Remove the test weight when the Span calibration is complete.

Run

97/07/07

span calculation,
frequency count displayed

span deviation calculated

initial deviation  = 0

span deviation accepted
initial span count = ####
Record this value for
future reference

successful entry into run,
display rate

initial span count

START UP

PL-531

32

Summary of Contents for Accumass BW100

Page 1: ...Accumass BW100 May 1997 Instruction Manual PL 531 33455310 Rev 1 5...

Page 2: ...r P O Box 4225 Peterborough Ontario Canada K9J 7B1 Tel 1 705 745 2431 Fax 1 705 741 0466 182 Normanby Rd Box 339 South Melbourne Australia Tel 011 613 9695 2400 Fax 011 613 9695 2450 August van de Wie...

Page 3: ...ingle 12 Load Cell Dual 13 Speed Sensor 14 Auto Zero 15 Remote Totalizer 1 15 Analog Output 15 Remote Totalizer 2 16 Relay Output 16 Communication CVCC 17 BIC 2 17 Power Connections 18 Comverter 19 Un...

Page 4: ...pan 42 Direct Span 43 Factoring 44 Linearization 45 Operation Load Sensing 49 Speed Sensing 49 Modes of Operation 49 Damping 50 Analog Output 50 Relay Output 51 Totalization 52 Auto Zero 53 Communicat...

Page 5: ...imize and maintain accurate operation of your weighing system through material tests and routine recalibrations Operation offers an overview of the BW100 features and functions that allow you to take...

Page 6: ...and total are available for display on the local LCD or as output in the form of analog mA alarm relay and remote totalization BW100 supports Milltronics proprietary bipolar current loop for long dist...

Page 7: ...on box with termination block for 0 2 4 mm2 solid or 0 2 2 5 mm2 stranded 12 24 AWG Programming via local 4 member keypad with silicone boot and or Dolphin interface Display 38 x 100 mm 1 5 x 4 multi...

Page 8: ...n 8418 8 wire shielded 20 AWG or equivalent 300 m 1000 ft max speed sensor Belden 8770 3 wire shielded 18 AWG or equivalent 300 m 1000 ft auto zero Belden 8760 1 pair twisted shielded 18 AWG 300 m 100...

Page 9: ...re does not provide grounding between connections Use grounding type bushings and jumpers 98 03 09 138 mm 5 4 sealed enclosure 270 mm 10 6 74 mm 2 9 254 mm 10 integral junction box cover removed with...

Page 10: ...ity Not all components or their maximum quantity may be required ACCUMASS BW100 Mass Dynamics belt scale see Specifications customer s remote totalizing device customer device customer alarm or contro...

Page 11: ...LOCK LAYOUT ac supply dc supply All field wiring must have insulation suitable for at least 250 V dc terminals shall be supplied from an SELV source in accordance with IEC 1010 1 Annex H INSTALLATION...

Page 12: ...jumpers BW100 TB1 17 18 and TB1 19 20 run additional conductors from BW100 TB1 18 to scale EXC BW100 TB1 19 to scale EXC If load cells are supplied with sense wiring terminate brown with black T17 and...

Page 13: ...BW100 TB1 17 18 and TB1 19 20 run additional conductors from BW100 TB1 18 to scale EXC BW100 TB1 19 to scale EXC If load cells are supplied with sense wiring terminate brown with black T17 and blue wi...

Page 14: ...s viewed from the front cover side of the MD 36A enclosure If a speed sensor is not used a jumper must be connected across the BW100 TB1 5 6 If a speed sensor is used insure that the jumper is removed...

Page 15: ...NALOG OUTPUT supply maximum 30 V dc 100 mA remote totalizer to customer instrumentation isolated mA output 750 maximum load ac models only mA output on dc models is not isolated prefeed activated dry...

Page 16: ...REMOTE TOTALIZER 2 RELAY OUTPUT supply maximum 240 V ac dc remote totalizer relay shown in de energized state contacts rated 5 A at 250 V non inductive INSTALLATION PL 531 16...

Page 17: ...COMMUNICATION CVCC BIC 2 Connect shield at one device only e g BW100 TB1 21 Maximum loop length 3000 m 10 000 ft INSTALLATION PL 531 17...

Page 18: ...he building installation marked as the disconnect switch shall be in close proximity to the equipment and within easy reach of the operator DC POWER 12 V dc Model 10 15 V dc 18 30 V dc 24 V dc Model 9...

Page 19: ...ace Refer to Dolphin instruction manual for interconnection details UNITS STICKER Remove the appropriate units sticker from the sheet supplied and affix to your BW100 as shown 98 03 09 ACCUMASS BW100...

Page 20: ...INSTALLATION PL 531 20...

Page 21: ...nstalled and connected ORIENTATION Display and Keypad The BW100 operates under two modes run and program When the unit is initially powered it starts in the program mode If the program mode is idle it...

Page 22: ...m mode if in the program mode scroll down scroll up access run mode alternates program mode between select parameter and change value functions parameter value program mode status icon refer to Run Mo...

Page 23: ...elease to stop To Change a Parameter Value Security Must Be Disabled Must Be Pressed to Save Change OR select parameter e g P005 1 save and return to select parameter function e g P005 3 increase or d...

Page 24: ...xpress Parameter to jump back to P005 or Value to jump to the factory setting To Access Run Mode jump back to P005 e g P999 exit and return to run mode e g from the program mode P005 START UP PL 531 2...

Page 25: ...the run mode MASTER RESET Prior to programming balancing and calibration a master reset of the BW100 should be done Refer to Parameters P999 e g rate display last parameter from previous program sess...

Page 26: ...ming and calibration or after either or both load cells have been reinstalled or replaced Unbalanced load cells adversely affect the performance of your belt conveyor weighing system With the conveyor...

Page 27: ...t zero and span recalibration A B test weight test weight on load cell A side enter and auto advance to P295 close SW2 enter and auto advance to P293 leave SW2 open P1 adjust until 0 5 A B test weight...

Page 28: ...applications Have your design data sheet or program record handy Upon completion of Quick Start programming a Zero and Span calibration are required for successful entry into the run mode units design...

Page 29: ...jumpered value is locked at 100 Test load value should be less than design load P952 If not contact Milltronics or their agent examples are typical 98 03 10 program mode P005 units e g 1 t h P014 des...

Page 30: ...Note The duration of Zero and Span Calibration is dependent upon speed P014 length P016 and revolutions P360 of belt To cancel a Zero or Span calibration in progress and return to the run mode START U...

Page 31: ...ights are not used during a zero calibraion Perform Span Calibration see next page initial zero count zero calculation frequency count displayed zero deviation calculated initial deviation 0 zero cali...

Page 32: ...conveyor belt empty Remove the test weight when the Span calibration is complete Run 97 07 07 span calculation frequency count displayed span deviation calculated initial deviation 0 span deviation a...

Page 33: ...oll display reading mA bar graph display scroll r rate t1 totalizer 1 t2 totalizer 2 L load S speed relay status appears on alarm 1 2 remote totalizer flashes at rate totaling 3 parameter alert zero a...

Page 34: ...START UP PL 531 34...

Page 35: ...asure the time for the belt length to pass over the scale speed belt length m or ft time s min Refer to maneuvering for parameter selection and value change If the BW100 constant speed input TB1 5 6 i...

Page 36: ...ion Put the BW100 into run mode Record the BW100 total as the start value _ _ _ _ _ _ Run material at a minimum of 50 of design rate over the belt scale for a minimum of 5 minutes Stop the material fe...

Page 37: ...d value change Verify the results of the span adjust by material test or return to normal operation DESIGN CHANGES Where parameters have been changed with a resultant impact on the calibration or do n...

Page 38: ...bration From the run mode E3 is an indication that the mechanical system is errant The use of P377 initial zero should be used judiciously and only after a thorough mechanical investigation has been e...

Page 39: ...se to E3 message Refer to maneuvering for parameter selection and value change Perform Initial Span invoke initial zero enter 1 current zero count zero calculation frequency count displayed zero devia...

Page 40: ...ardware and it is not convenient to perform an initial zero at that time A record of the last zero count is required Refer to maneuvering for parameter selection and value change current zero count en...

Page 41: ...of P388 initial span should be used judiciously and only after a thorough mechanical investigation has been exercised The cause of the increased deviation must be found and rectified A span recalibra...

Page 42: ...e to E4 message Refer to maneuvering for parameter selection and value change invoke initial span current span count span calculation frequency count displayed return to run mode zero deviation accept...

Page 43: ...ardware and it is not convenient to perform an initial span at that time A record of the last span count is required Refer to maneuvering for parameter selection and value change new span count accept...

Page 44: ...is recommended Refer to Maneuvering for parameter selection and value change With the conveyor stopped and the belt empty enter initiated Factoring current test load value e g 76 11 kg m dynamic test...

Page 45: ...belt scale manual in order to resolve the non linearity by improved installation or repair If it is determined that the non linearity is due to the weighing application and not the actual belt scale...

Page 46: ...s exaggerated for emphasis The material tests should be run at same belt speed representative of normal operation in this case 1 2 m s For each rate record the corresponding load value by scrolling to...

Page 47: ...rogramming could be as follows Compensation is optimized by establishing the next load value that agrees with the material test hence where compensation is zero and entering it as the next compensatio...

Page 48: ...RECALIBRATION PL 531 48...

Page 49: ...peed constants need to be programmed however the jumper across the speed input has to be removed and the speed sensor connected Refer to Specifications and Installation Speed Sensor for speed sensor r...

Page 50: ...g rate P220 ANALOG OUTPUT The BW100 provides one isolated analog output The output can be assigned P201 to represent rate load or speed The output range can be set to 0 20 mA or 4 20 mA P200 The 0 or...

Page 51: ...error the high and low alarm setpoints P101 and P102 respectively are required and must be entered in the appropriate units The on off actuation at both setpoints is buffered by the damping P080 and...

Page 52: ...h P631 5 then totalizer count increments by 10 for each 10 metric tonnes registered external totalizer 1 given P005 1 t h P638 5 then contact closure occurs once for every 10 metric tonnes registered...

Page 53: ...med goes into alarm refer to Operation Relay Output The E9 error is cleared after five seconds If material feed resumes during an auto zero function the totalizing function is maintained COMMUNICATION...

Page 54: ...MT Identifies the 2 character message type transmitted ASCII characters 50 material flow rate 51 material load 52 belt speed 53 totalizer 1 internal 54 totalizer 2 internal READING Contains the measu...

Page 55: ...quest is in the following format som DEVICE MT READING eom Example Data ASCII Example Field Character Description som STX start of message DEVICE 00 from BW100 0 MT 50 material flow rate response READ...

Page 56: ...OPERATION PL 531 56...

Page 57: ...ttempting a calibration and successful entry into the run mode P005 units Determines the units for programming and measurement entry 1 t h tonnes per hour 2 kg h kilograms per hour 3 LT h long tons pe...

Page 58: ...t from the supplied design data sheet or speed sensor pulses per revolution pulley circumference m or ft revolution refer to speed sensor nameplate or consult Mass Dynamics or their agent P016 belt le...

Page 59: ...usted P019 manual span adjust This parameter allows adjustment to the span calibration The adjustment value is generally determined by performing material tests Refer to Recalibration Material Tests e...

Page 60: ...n by mA output damping P220 The greater the damping value the slower the response enter damping value range 1 9999 P081 display mode Sets the display mode Normally the display shows rate or the last m...

Page 61: ...oad 5 error P101 high alarm Sets the high alarm setpoint for relay functions P100 1 3 or 4 enter the value in of full scale P102 low alarm Sets the low alarm setpoint for relay functions P100 1 3 or 4...

Page 62: ...track one of the integrator functions entry 1 rate 2 load 3 speed P212 mA min limit Limits the lower mA range 0 or 4 mA to a minimum output value enter limit value range 0 22 P213 mA max limit Limits...

Page 63: ...er trim value range 0 9999 P220 mA output damping Sets the speed at which the mA output reacts to change The greater the damping value the slower the response If the value is 0 the mA output assumes t...

Page 64: ...iated with the load B signal when balancing the A and B load cells of the associated belt scale P293 calculator input 3 This register displays the count associated with the load cell B signal when bal...

Page 65: ...span P359 factoring Factoring is used as a method of calculating the value of the test load P017 to a new physical test weight entry 0 idle 1 factor Totalization is halted during the factoring proced...

Page 66: ...l zero 1 2 of initial zero P377 initial zero The initial zero is the reference zero to which all subsequent operator initiated zero calibrations are compared in determining whether they have deviated...

Page 67: ...nt 1 enter the load in units of P017 for point 1 P392 compensation point 1 enter the calculated compensation in percent for compensation point 1 P393 linearizer point 2 enter the load in units of P017...

Page 68: ...lizer count increments by 10 for each 10 metric tonne registered P619 totalizer drop out This parameter sets the limit in percent of design rate below which material rates are not totalized The value...

Page 69: ...olution external This parameter sets the resolution of external totalizer 1 entry 1 0 001 one thousandth 2 0 01 one hundredth 3 0 1 one tenth 4 1 unit 5 10 x ten 6 100 x hundred 7 1000 x thousand P639...

Page 70: ...ed P638 has to be increased entry 1 32 ms 6 192 2 64 7 224 3 96 8 256 4 128 9 288 5 160 P644 totalizer 2 contact closure external The value of this parameter represents a multiple of 32 ms of contact...

Page 71: ...croll display key or automatically by control of the display mode P081 entry 1 totalizer 1 2 totalizer 2 3 totalizers 1 and 2 P648 totalizer reset internal Resets the internal totalizers entry 0 idle...

Page 72: ...mode Selects the communication mode bi polar current loop interface with the host device PLC or computer is made through the Milltronics BIC 2 or CVCC Refer to Operation Communication infrared link c...

Page 73: ...ss Dynamics P907 programmer interface Tests the infrared communications link Test is initiated by scrolling to the parameter or repeated by pressing enter display PASS normal FAIL consult Milltronics...

Page 74: ...nge 0 3 98 V P943 V F converter fout Displays the output frequency of the voltage to frequency converter Range 0 131 072 P944 power sensor Displays a voltage supply reference for diagnostic purposes P...

Page 75: ...Displays the value of the design load which corresponds to the full scale value for alarm and mA output functions The design load is calculated based on the design rate and design speed End of test a...

Page 76: ...PARAMETER DESC PL 531 76...

Page 77: ...93 Calculator Input 4 P294 Calibration Duration P360 Calibration Security P350 Communication Mode P760 Compensation Point 1 P392 Compensation Point 2 P394 Compensation Point 3 P396 Damping P080 Design...

Page 78: ...2 mA Function P201 mA Output Damping P220 mA Output Value P911 mA Maximum Limit P213 mA Minimum Limit P212 mA Range P200 mA Trim 20 P215 mA Trim 4 P214 Manual Span Adjust P019 Master Reset P999 Memory...

Page 79: ...olution External P638 Totalizer 2 Resolution External P639 Totalizer 1 Resolution Internal P631 Totalizer 2 Resolution Internal P632 Totalizer Display P647 Totalizer Drop out P619 Totalizer Reset Inte...

Page 80: ...un auto zero out of range auto zero has accumulated deviation beyond 2 from last operator initial zero If error is not caused by material on belt then do an operator initiated zero E10 run rate or spa...

Page 81: ...are cleared when zero or span is initiated Errors that happen during the calibration require re starting the procedure Program errors are cleared when any key is pressed The messages E101 through E10...

Page 82: ...ording to its instruction manual SOFTWARE UPDATES The software can be updated from a floppy disk by use of a PC IBM Compatible with Milltronics Dolphin software It is recommended that a reset P999 is...

Page 83: ...and P200 mA Range P201 mA Function P212 mA Min Limit P213 mA Max Limit P220 mA Output Damping P341 Run Time P350 Calibration Security P360 Calibration Duration P367 Direct Zero P368 Direct Span P370 Z...

Page 84: ...otal 1 Closure Ext P644 Total 2 Closure Ext P647 Totalizer Display P648 Totalizer Reset Int P751 Baud Rate P760 Communication Mode P761 Identification Number P900 Software Rev P949 Diagnostic Errors P...

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