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Recalibration

7.4 Recalibration

BW500 and BW500/L

Operating Instructions, 12/2016, A5E33482052-AD

Span Calibration. Current Span

Setup test. Press ENTER to start

41900

For example: the current span count.

Note
End of span calibration. Remove the test weight and return to RUN.

7.4.7

Direct Span

Direct span entry (P368) is intended for use when replacing software or hardware, and when it is

not convenient to perform an initial span. A record of the last valid span count is required.

Access P368 and enter EDIT mode

P368-01 Direct Span Entry

Enter Span Count

Press the following keys in a given sequence:

P368-01 Direct Span Entry

Enter Span Count

41900

For example: the last valid span count.

Содержание Milltronics BW500

Страница 1: ...Operating Instructions Milltronics BW500 and BW500 L 12 2016 Edition Integrators ...

Страница 2: ...mmunications Note Always use product in accordance with specifications Copyright Siemens AG 2016 All Rights Reserved Disclaimer of Liability This document is available in bound version and in electronic version We encourage users to purchase authorized bound manuals or to view electronic versions as designed and authored by Siemens Siemens will not be responsible for the contents of partial or who...

Страница 3: ..._____________ ___________________ ___________________ ___________________ ___________________ Milltronics Integrators BW500 and BW500 L Operating Instructions 12 2016 A5E33482052 AD Safety Notes 1 The Manual 2 Milltronics BW500 and BW500 L 3 Specifications 4 Installation 5 Start Up 6 Recalibration 7 Operation 8 PID Control 9 Batching 10 Communications 11 Parameters 12 Troubleshooting 13 Certificat...

Страница 4: ...ay be operated only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WAR...

Страница 5: ... 27 5 4 1 System Diagram 28 5 4 2 Scale One Load Cell 29 5 4 3 Scale Two Load Cells 30 5 4 4 Scale Four Load Cells 32 5 4 5 Scale Six Load Cells 33 5 4 6 Scale LVDT 34 5 5 Speed 35 5 5 1 Constant Speed No Sensor 35 5 5 2 Main Speed Sensor 36 5 5 3 Auxiliary Speed Sensor 37 5 6 Auxiliary Inputs 38 5 7 Auto Zero 38 5 8 RS232 Port 1 39 5 8 1 Printers 39 5 8 2 Computers and Modems 39 5 9 Remote Totali...

Страница 6: ...2 6 4 2 2 Balancing for C and D 62 6 4 3 Zero Calibration 63 6 4 4 RUN Mode 65 7 Recalibration 67 7 1 Belt Speed Compensation 67 7 1 1 Access P018 67 7 2 Material Tests 68 7 2 1 Change 69 7 2 1 1 Access P019 and enter EDIT mode 70 7 2 2 Material Test 70 7 3 Design Changes 72 7 4 Recalibration 72 7 4 1 Routine Zero 72 7 4 2 Initial Zero 74 7 4 3 Direct Zero 75 7 4 4 Auto Zero 76 7 4 5 Routine Span ...

Страница 7: ...er Slave Control 110 9 2 4 Setpoint Controller Rate and Load Control 111 9 3 Setup and Tuning 112 9 3 1 Proportional Control Gain P 112 9 3 2 Integral Control Automatic Reset I 112 9 3 3 Derivative Control Pre Act or Rate D 113 9 3 4 Feed Forward Control F 113 9 4 PID Setup and Tuning 114 9 4 1 Initial Start Up 114 9 5 Programming 117 10 Batching 121 10 1 Connections 122 10 1 1 Typical Ladder Logi...

Страница 8: ...ference Selection 153 12 1 3 P003 Number of Load Cells 154 12 1 4 P004 Rate Measurement System 154 12 1 5 P005 Design Rate Units 154 12 1 6 P008 Date 154 12 1 7 P009 Time 155 12 1 8 P011 Design Rate 155 12 1 9 P014 Design Speed 155 12 1 10 P015 Speed Constant 155 12 1 11 P016 Belt Length 156 12 1 12 P017 Test Load 156 12 1 13 P018 Speed Adjust 157 12 1 14 P019 Manual Span Adjust 157 12 1 15 P022 M...

Страница 9: ...5 6 P360 Calibration Duration 169 12 5 7 P365 Multispan 170 12 5 8 P367 Direct Zero Entry 170 12 5 9 P368 Direct Span Entry 170 12 5 10 P370 Zero Limit Deviation 171 12 5 11 P371 Auto Zero Initiation Upper Limit 171 12 5 12 P377 Initial Zero 171 12 5 13 P388 Initial Span 171 12 6 Linearization Parameters P390 P392 172 12 6 1 P390 Linearizer 172 12 6 2 P391 Linearizer Load Points 172 12 6 3 P392 Li...

Страница 10: ... 183 12 9 13 P682 Average Idler Spacing 183 12 9 14 P690 Speed Constant Entry 183 12 9 15 P691 Drive Pulley Diameter 184 12 9 16 P692 Pulses Per Sensor Revolution 184 12 10 ECal Parameters P693 P698 184 12 10 1 P693 Load Cell Capacity Units 184 12 10 2 P694 ECal Load Cell Capacity 184 12 10 3 P695 ECal Load Cell Sensitivity 185 12 10 4 P696 ECal Load Cell Excitation 185 12 10 5 P697 ECal Idler Spa...

Страница 11: ...or Log 191 12 13 10 P950 Zero Register 191 12 13 11 P951 Span Register 191 12 13 12 P952 Design Load 192 12 13 13 P999 Master Reset 192 13 Troubleshooting 193 13 1 Generally 193 13 2 Specifically 193 14 Certification 197 14 1 Certification 197 14 2 Parameters unlocked when certification switch is set 197 14 3 Certification Printing 198 A Appendix 199 A 1 Appendix I 199 A 1 1 Memory Backup 199 A 1 ...

Страница 12: ...Table of contents BW500 and BW500 L 10 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 13: ...cial attention must be paid to warnings and notes WARNING WARNING It means that failure to observe the necessary precautions can result in death serious injury and or considerable material damage Note It means important information about the product or that part of the operating manual ...

Страница 14: ...Safety Notes BW500 and BW500 L 12 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 15: ...00 and BW500 L must be connected to a belt scale and optionally a speed sensor refer to their manuals as well The manual is designed to help you get the most out of your BW500 and BW500 L and it provides information on the following How to install the unit Outline diagrams How to program the unit Wiring diagrams How to operate the keypad and read the display Parameter values How to do an initial S...

Страница 16: ...The Manual BW500 and BW500 L 14 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 17: ... signals from the conveyor and scale respectively are processed to derive rate of material flow and totalization The BW500 L does not include the advanced feature set for control Milltronics BW500 and BW500 L features BW500 and BW500 L support Siemens Milltronics Dolphin Plus software and Modbus protocol on the two RS232 ports and the RS485 port for communication to customer PLC or computer BW500 ...

Страница 18: ...tion for Dolphin Plus Modbus ASCII Modbus RTU Printer SmartLinx compatible Controls and operation functions BW500 BW500 L Load linearization Auto zero PID control1 Batch control Multispan operation Moisture compensation1 fixed Incline compensation1 fixed Differential speed detection Real time clock 1 The optional mA I O board is required for 3 outputs PID control moisture and incline compensa tion...

Страница 19: ...l Location Indoor outdoor Altitude 2000 m max Ambient temperature 20 to 50 C 5 to 122 F Relative humidity Suitable for outdoor Type 4X NEMA 4X IP65 enclosure Installation category II Pollution degree 4 Enclosure Type Type 4X NEMA 4X IP65 Dimensions 285 mm W x 209 mm H x 92 mm D 11 2 W x 8 2 H x 3 6 D Material Polycarbonate Programming Via local keypad and or Dolphin Plus interface Display Illumina...

Страница 20: ... Optically isolated 0 1 of 20 mA resolution 750 Ω load max See optional mA I O board 1 Load cell 10 V DC compensated excitation for strain gauge type 6 cells max BW500 has 4 independent inputs BW500 L has 2 The maximum load in either case must not exceed 150 mA Speed sensor 12 V DC 150 mA max excitation Remote totalizer 1 Contact closure 10 300 ms duration Solid state relay contact rated 30 V DC 1...

Страница 21: ...ir twisted shielded 18 AWG 300 m 1000 ft max 1 For four or six load cell scales run two separate cables of the two load cell configuration Four six load cells not availa ble with BW500 L Options Speed Sensor Siemens MD 36 36A 256 or 2000A RBSS TASS WS100 or WS300 or compatible Dolphin Plus Siemens Windows based software interface refer to as sociated product documentation SmartLinx Modules protoco...

Страница 22: ...interface card For interface with LVDT based scales 1 Not available with BW500 L Weight 2 6 kg 5 7 lb Approvals BW500 BW500 L CE 1 CSA US C FM RCM GOST Legal for Canadian Trade Measurement Canada approved Legal for US Trade NTEP approved Legal for European Trade MID approved Legal for International Trade OIML approved 1 EMC performance available upon request ...

Страница 23: ... only be performed by qualified personnel and in accordance with local governing regulations This product is susceptible to electrostatic shock Follow proper grounding procedures 5 1 Dimensions Note Nonmetallic enclosure does not provide grounding between connections Use grounding type bushings and jumpers ...

Страница 24: ...ating Instructions 12 2016 A5E33482052 AD Lid screws 6 pieces Customer mounting screw Enclosure Lid Mounting hole 4 places Conduit entry area Recommend drilling the enclosure with a hole saw and the use of suitable cable glands to maintain ingress rating ...

Страница 25: ...ort 3 RJ 11 Fuse FU3 Optional LVDT conditioner card4 Optional Analog I O board2 Certification switch1 Optional SmartLinx module3 1 Applicable for trade approvals 2 Not available for BW500 L 3 To reduce communication interference route SmartLinx cable along right side 4 The LVDT card must be removed to access terminals below it ...

Страница 26: ...lowable working voltage between adjacent relay contact shall be 250 V The non metallic enclosure does not provide grounding between conduit connections Use grounding type bushings and jumpers Please note that the DC version of this layout will appear slightly differently Mounting the Enclosure 1 Remove the lid screws and open the lid to reveal the mounting holes 2 Mark and drill four holes in the ...

Страница 27: ...d 3 Install the module by mating the connectors and secure in place using the two screws provided 4 Route communication cable to SmartLinx module along the right side of the enclosure wall This route will reduce communication Note Refer to the SmartLinx documentation for any required hardware settings prior to closing the lid 5 Close the lid 6 Apply power and voltage to the BW500 and BW500 L Refer...

Страница 28: ...0 P220 Page 161 mA I O 0 4 20 mA in the mA I O 0 4 20 mA Page 101 section 5 3 3 LVDT Conditioner Card BW500 is software hardware ready to accept the optional LVDT conditioner card BW500 may be shipped to you without an LVDT conditioner card for installation at a later date If you are ready to install your card please follow the instructions as outlined Installation 1 Isolate power and voltages app...

Страница 29: ... Locations SmartLinx Route SmartLinx cable along right hand wall LVDT conditioner card mA I O board 5 4 Interconnection Note Wiring may be run via common conduit However these may not be run in the same conduit as high voltage contact or power wiring Ground shield at one point only Insulate at junctions to prevent inadvertent grounding ...

Страница 30: ... O board required Relay output to customer device 2 for BW500 L Auxiliary inputs Customer remote totalizer Optional fieldbus connection SmartLinx card required Communication ports can be configured for Siemens Milltronics Dolphin Plus print data or Modbus ASCII or RTU protocol Communication ports can be configured for Siemens Milltronics Dolphin Plus print data or Modbus ASCII or RTU protocol Comm...

Страница 31: ...stem capability Not all components or their maximum quantity may be required 5 4 2 Scale One Load Cell Siemens Belt Scale Customer junction box Load cell excitation Load cell inputs Note Color code for load cells used on Siemens weighfeeders may be different than shown Please refer to the weighfeeder wiring diagram ...

Страница 32: ...ade certification 1 Remove jumpers from BW500 and BW500 L terminal 11 12 and 13 14 2 Run additional conductors from BW500 and BW500 L terminal 12 to scale red BW500 and BW500 L terminal 13 to scale blk If the load cell wiring colors vary from those shown or if extra wires are provided consult Siemens 5 4 3 Scale Two Load Cells Customer junction box Integrator Load cell excitation Load cell inputs ...

Страница 33: ...der wiring diagram Where separation between the BW500 and BW500 L and belt scale exceeds 150 m 500 ft or legal for trade certification 1 remove jumpers from BW500 and BW500 L terminal 11 12 and 13 14 2 run additional conductors from BW500 and BW500 L terminal 12 to scale red BW500 and BW500 L terminal 13 to scale blk If the load cell wiring colors vary from those shown or if extra wires are provid...

Страница 34: ...lls Customer junction box Integrator Load cell excitation Load cell inputs Where separation between the BW500 and belt scale exceeds 150 m 500 ft or legal for trade certification 1 remove jumpers from BW500 terminal 11 12 and 13 14 2 run additional conductors from BW500 terminal 12 to scale red BW500 terminal 13 to scale blk ...

Страница 35: ...ustomer junction box Integrator Load excitation Load cell inputs Where separation between the BW500 and belt scale exceeds 150 m 500 ft or legal for trade certification 1 remove jumpers from BW500 terminal 11 12 and 13 14 2 run additional conductors from BW500 terminal 12 to scale red BW500 terminal 13 to scale blk If the load cell wiring colors vary from those shown or if extra wires are provided...

Страница 36: ...d cell inputs Maximum cable run LVDT to Conditioner 300 m 1000 ft Belt scale with LVDT The LVDT Conditioner Card can be mounted on the BW500 or BW500 L Motherboard or in a remotely located enclosure The above wiring diagram is for a remote mounted installation For LVDT Conditioner cards that are mounted on the BW500 or BW500 L Motherboard use 5 individual wires instead of the 4 conductor shielded ...

Страница 37: ...minal 12 to integrator terminal block EXC BW500 terminal 13 to integrator terminal block EXC Note LCA Terminal 2 is jumpered to SHLD Terminal 5 which internally connects to the load cell circuit common Do not connect to the Speed Sensor Terminal 17 common it is isolated from the load cell circuitry 5 5 Speed 5 5 1 Constant Speed No Sensor If a speed sensor is not used a jumper or contact closure m...

Страница 38: ...l also serve as a suitable speed signal If a speed sensor other than the models shown is supplied consult with Siemens for details For the Main Speed Sensor input switch SW3 should be set to HTL for use with speed sensors providing 12V output logic open collector NPN outputs or dry contacts This HTL setting provides a switching threshold of 5 5 V nom with 1V hysteresis and an internal pull up of 1...

Страница 39: ...sensor shaft rotation Speed sensor shaft rotation is viewed from the front cover of the speed sensor enclosure An input device in the form of an open collector transistor or dry contact may be connected between BW500 terminal 29 COM and any one of the AUX inputs terminals 24 through 28 As per the HTL setting for the Main Speed Sensor input an internal pullup of 12 V through a 3 3 kohm resistor is ...

Страница 40: ...rating Instructions 12 2016 A5E33482052 AD 5 6 Auxiliary Inputs Customer dry contacts or open collector transistor output supplied as required Refer to P270 Page 165 for programming details 5 7 Auto Zero Prefeed activated dry contact Refer to Auto Zero Page 76 ...

Страница 41: ... BW500 L Operating Instructions 12 2016 A5E33482052 AD 39 5 8 RS232 Port 1 5 8 1 Printers Printer Receive Common 5 8 2 Computers and Modems For connection to a PC compatible computer or modem using no flow control typical configurations are ...

Страница 42: ...ote totalizer 1 Supply 240 V max Remote totalizer 2 Note External power supply not required on all totalizer models 5 10 mA Output 1 to customer instrumentation isolated mA out put 750 Ω maximum load 5 11 Relay Output Relays shown in de energized state contacts normally open rated 5 A at 250 V noninductive Note BW500 L has relay 1 and 2 only ...

Страница 43: ...g Instructions 12 2016 A5E33482052 AD 41 5 12 RS485 Port 2 5 12 1 Daisy Chain Customer device 5 12 2 Terminal Device Customer device 5 13 RS232 Port 3 Note Jumper pins 4 6 and 7 8 on the DB9 connector when using hardware flow control Otherwise leave them open ...

Страница 44: ... is available in AC or DC power models Note AC power connections 1 The equipment must be protected by a 15 A fuse or a circuit breaker in the building installation 2 A circuit breaker or switch in the building installation marked as the disconnect switch shall be in close proximity to the equipment and within easy reach of the operator ...

Страница 45: ... output isolated 24 V DC at 50 mA short circuit protected From customer instrumentation isolated mA input 200 Ω From customer instrumentation isolated mA input 200 Ω To customer instrumentation isolated mA output 750 Ω maximum load To customer instrumentation isolated mA output 750 Ω maximum load Note mA I O Board connections are not available for BW500 L ...

Страница 46: ...vides 20 minutes of charge to preserve the memory while the battery is being changed Note The unit is supplied with one battery battery P N PBD 20200035 BR2335 or use equivalent 3 V Lithium battery Insert the battery into the holder as described below before using the BW500 and BW500 L WARNING Power Disconnect power before installing or replacing the battery Installation steps 1 Open the enclosure...

Страница 47: ...Installation 5 16 Installing replacing the back up battery BW500 and BW500 L Operating Instructions 12 2016 A5E33482052 AD 45 ...

Страница 48: ......

Страница 49: ...p 6 Note For successful start up ensure that all related system components such as the belt scale and speed sensor are properly installed and connected BW500 and BW500 L operates under two modes RUN and PROGRAM On initial powerup the unit starts in the PROGRAM mode 6 1 Keypad ...

Страница 50: ... mode initiates calibration initiates calibration clears entry toggles between view and edit modes confirms parameter values opens RUN mode changes RUN mode display starts totalizer 1 reset sequence 6 2 Program Mode The PROGRAM parameters define the calibration and operation of the BW500 and BW500 L In PROGRAM mode the user can view the parameter values or edit them to suit the application 6 2 1 P...

Страница 51: ...tart up To select a parameter Press the following key to move up P002 Test Reference Selection 1 Weight 2 Chain 3 Ecal V 1 For example scrolls up from P001 to P002 Press the following key to move down P001 Language 1 En 2 Fr 3 De 4 Es 5 It 6 Po 7 Ru V 1 For example scrolls down from P002 to P001 To access parameter directly Press the following key to access the parameter View Edit Parameter Enter ...

Страница 52: ...ange a parameter value P011 Design Rate Enter Rate V 100 00 kg h From the view mode Press the following key P011 Design Rate Enter Rate E 100 00 kg h If edit mode is not enabled after pressing ENTER security is locked Refer toSecurityLock P000 under Parameters for instructions on disabling Press the following key to enter the new value P014 Design Speed Enter Speed V 0 08 m s For P001 to P017 ENTE...

Страница 53: ...RUN Mode To operate BW500 and BW500 L in the RUN mode the unit must undergo an initial programming to set up the base operating parameters Attempting to enter the RUN mode without satisfying the program requirements forces the program routine to the first missing item 6 3 Initial Start Up Initial start up of BW500 and BW500 L consists of several stages and assumes that the physical and electrical ...

Страница 54: ...crolls sequentially through the start up program as parameters P001 through P017 are addressed P002 Test Reference Selection Select 1 Weight 2 Chain 3 Ecal V 1 For example Accept weight supplied with scale as the test reference Press the following key P003 Number of Load Cells Enter Number of Load Cells V 2 For example accept 2 as the number of load cells Note For six load cell belt scales select ...

Страница 55: ...s in t h Note t h equals metric tonnes per hour Press the following key 1 P008 Date Enter YYYY MM DD V 1999 03 192 1 Not applicable for the BW500 L 2 default date Press the following key P008 Date Enter YYYY MM DD E 1999 03 19 For example enter current date of March 19 1999 Press the following keys in a sequence1 P009 Time Enter HH MM SS V 00 00 00 1 Factory set time 24 hour clock Press the follow...

Страница 56: ...e following keys in a sequence P011 Design Rate1 Enter Rate V 0 00 t h 1 Factory design rate Press the following key P011 Design Rate Enter Rate E 0 00 t h For example rate of 100 t h Press the keys in the following sequence P014 Design Speed1 Enter Speed V 0 00 m s 1 Factory design speed Press the following key P014 Design Speed Enter Speed E 0 00 m s For example speed of 0 8 m s ...

Страница 57: ... 01 Speed Constant Pulses m V 0 0000 Note If the speed input is configured for constant speed display value reads Jumpered Press the following key to advance If the speed input is connected to a speed sensor pressing enter at P015 invokes P690 for data entry Press the following key P690 01 Speed Constant Entry 1 Calculated 2 Sensor Data E 1 ...

Страница 58: ...tant V Pulses m 0 0000 This value is calculated For manual or automatic calculation refer to P690 on page 143 To program Differential Speed P015 02 follow steps above for P015 01 P016 Belt Length V Enter Length 0 00 m factory set length Press the following key For example belt length of 25 m P016 Belt Length E Enter Length 0 000 m For example belt length of 25 m Press the following keys P017 Test ...

Страница 59: ...y the number of scale idlers For example 1 5 m idler space with 2 scale idlers equals 3 m This value is calculated For manual or automatic calculation refer to P680 The test load value should be less than the design load If not contact Siemens The initial programming requirements are now satisfied To ensure proper entry of all critical parameter values return to P002 and review parameters through ...

Страница 60: ...6 4 1 Typical Two Load cell belt scale Belt travel Load cell B Test weight bar Load cell A 6 4 1 1 Access P295 P295 Load Cell Balancing Select 1 A B 2 C D E 0 Option 2 enabled only if P003 number of load cells is 4 Press the following keys Load Cell Balancing A B Place weight at cell B and press ENTER ...

Страница 61: ...d Cell Balancing BW500 and BW500 L Operating Instructions 12 2016 A5E33482052 AD 59 Test weight Press the following key Load Cell Balancing A B Place weight at cell A and press ENTER Test weight Press the following key ...

Страница 62: ...lanced Balancing the load cells requires a subsequent zero and span calibration If four load cell scale press the following key to continue P295 Load Cell Balancing Select 1 A B 2 C D V 1 Press the following key P295 Load Cell Balancing Select 1 A B 2 C D E 1 Press the following keys Load Cell Balancing C D Place weight at cell D and press ENTER ...

Страница 63: ...d Cell Balancing BW500 and BW500 L Operating Instructions 12 2016 A5E33482052 AD 61 Test weight Press the following key Load Cell Balancing C D Place weight at cell C and press ENTER Test weight Press the following key ...

Страница 64: ...are all very close to the same mass are required 6 4 2 1 Balancing for A and B 1 Place one weight at load cell B one weight at load cell D and one weight at load cell F all at the same time 2 Start the balancing procedure for A and B 3 Press enter for B 4 Move the 3 weights to A C and E 5 Press enter for A Balance for A side and B side is complete 6 4 2 2 Balancing for C and D 1 Move all the weigh...

Страница 65: ...bration In progress Current Reading The zero count being calculated while calibration is in progress The duration of the Zero calibration is dependent on speed P014 length P016 and revolutions P360 of the belt Calibration Complete Deviation Press ENTER to accept value 0 00 551205 The deviation from previous zero For an initial zero there is no previous zero hence the deviation is 0 For example the...

Страница 66: ...e 199 With the conveyor stopped and locked out apply the test weight or chain to the scale as instructed in the associate manuals then start the conveyor Press the following key Span Calibration Current Span Setup test Press ENTER to Start 0 For example the current span count Press the following key Initial Span Calibration in progress Current Reading The span count being calculated while calibrat...

Страница 67: ...n a secure place before returning to RUN mode Note The moisture meter is ignored during calibration If the Inclinometer is used then calibration is adjusted based on incline angle 6 4 4 RUN Mode Proper programming and successful zero and span calibration allow entry into the RUN mode Otherwise entry is denied and the first missing item of programming or calibration is displayed Press the following...

Страница 68: ...Start Up 6 4 Load Cell Balancing BW500 and BW500 L 66 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 69: ...ter New Speed V 0 60 For example current speed of 0 6 m s Stop the conveyor and measure a length of the belt marking the forward end start time and the back end stop time Use the belt scale as the stationary reference Run the belt and measure the time for the belt length to pass over the scale speed belt length time m s or ft min Refer to the Start Up Page 47 section for instructions on parameter ...

Страница 70: ...dure automatically alters the span calibration and adjusts the test load P017 value yielding more accurate span recalibrations If the span adjust value is within the accuracy requirements of the weighing system the material test was successful Resume normal operation If the span adjust value is not acceptable repeat the material test to verify repeatability If the result of the second material tes...

Страница 71: ...al at a minimum of 50 of design rate over the belt scale for a minimum of 5 minutes 6 Stop the material feed and run the conveyor empty 7 Record the BW500 and BW500 L total as the stop value _ _ _ _ _ _ _ 8 Subtract the start value from the stop value to determine the BW500 and BW500 L total 9 Weigh the material sample if not already known BW500 and BW500 L total _ _ _ _ _ _ _ material sample weig...

Страница 72: ...ntage Enter Calculated error V 0 00 Press the following key P598 Span Adjust Percentage Enter Calculated error E 0 00 Press the following keys if change is negative remember to enter the minus sign for example 1 3 P017 Test Load Weight MS1 Enter Test load V 56 78 For example the new test load value is displayed 7 2 2 Material Test Access P019 and enter EDIT mode P019 Manual Span Adjust Select 1 Ch...

Страница 73: ...zer Press the following keys Material Test Press ENTER to start Press the following key Material Test Press ENTER to start tonnes t The totalizer reading as the material test is run Press the following key Material Test ENTER actual amount 964 032 t tonnes For example the weight totalized by the belt scale and BW500 and BW500 L 975 633 kg is the actual weight of the material test Press the followi...

Страница 74: ...ion To maintain the accuracy of the weighing system periodic zero and span recalibration is required Recalibration requirements are highly dependent upon the severity of the application Perform frequent checks initially then as time and experience dictate the frequency of these checks may be reduced Record deviations for reference The displayed deviations are referenced to the previous zero or spa...

Страница 75: ...ould be investigated further to identify the source Calibration is out of range Deviation report 403 37 If unacceptable press the following key to restart This indicates that the mechanical system is errant P377 initial zero should be used judiciously and only after a thorough mechanical investigation The cause of the increased deviation must be found and rectified A zero recalibration as previous...

Страница 76: ... progress indicator in Access P377 and enter EDIT mode P377 Initial Zero Enter 1 to start initial Zero E 0 Press the following keys Zero Calibration Current Zero Clear belt Press ENTER to start 530560 For example the current zero Press the following key Initial Zero Calibration in progress Current Reading For example the zero count being calculated while calibration is in progress Calibration comp...

Страница 77: ...ation Proceed with span recalibration or return to RUN 7 4 3 Direct Zero Use direct zero entry P367 when replacing software or hardware if it is not convenient to perform an initial zero A record of the last valid zero count is required Access P367 and enter EDIT mode P367 Direct Zero Entry Enter Zero Count E 0 Press the following keys in a sequence Zero Calibration Current Zero Enter Zero Count V...

Страница 78: ...00 t h 0 00 tonnes AZ AZ flashes on and off Note t h equals metric tonnes per hour Calibration Complete Deviation Auto Zero value 0 0 551410 For example typical zero and deviation values The duration of the auto zero is one or more belt revolutions P360 If either condition is interrupted during that period the auto zero is aborted and the RUN display is resumed After one belt revolution another au...

Страница 79: ...p test Press Enter to start Perform a zero calibration or press Press the following key Span Calibration in progress Current Reading 55 56 kg m The load reported while calibration is in progress Calibration complete Deviation Press ENTER to accept value 0 03 41440 For example the deviation in from previous span if the new span count is accepted If unaccepta ble press the following key to restart A...

Страница 80: ...anical investigation has been exercised Find and rectify the cause of the increased or decreased deviation Then re try a span recalibration If this deviation is still unacceptable set P388 to 1 to invoke an initial span calibration Further deviation limits are now based on this new initial span Press the following key Span Calibration Current Span Setup test Press ENTER to start 41440 For example ...

Страница 81: ...example the current span count Zero should be done prior to Span Setup test Press ENTER to start Perform a zero calibration or clear Press the following key Initial Span Calibration in progress Current Reading The span count being calculated while calibration is in progress Calibration complete Deviation Press ENTER to accept value 0 00 41900 The deviation is reset For example the new span value i...

Страница 82: ...est weight and return to RUN 7 4 7 Direct Span Direct span entry P368 is intended for use when replacing software or hardware and when it is not convenient to perform an initial span A record of the last valid span count is required Access P368 and enter EDIT mode P368 01 Direct Span Entry Enter Span Count E 0 Press the following keys in a given sequence P368 01 Direct Span Entry Enter Span Count ...

Страница 83: ...electing and applying the appropriate span Since every material has its own unique physical properties and may load the belt differently a span calibration may be required for each material to realize maximum accuracy In the case of different feeder locations a span calibration may be required to match each feedpoint or combination of feedpoints Each time one of the eight conditions is in effect t...

Страница 84: ...lready been set as part of the Start Up and initial calibration Therefore select 2 Access P017 and enter EDIT mode P017 Test Load Weight MS2 Enter test load E 0 Enter the test load value and press the following key to do a span calibration To do a span calibration for another condition i e span 3 or 4 etc access P365 and repeat these steps for each condition As with any initial span follow the spa...

Страница 85: ...ms Auxiliary Input 2 terminal 25 in conjunction with Auxiliary input 1 reads the contact state for the span selections 3 and 4 Access P270 and enter EDIT mode when using spans 5 to 8 If spans 5 6 7 and or 8 are to be used Access P270 and enter EDIT mode when using spans 5 to 8 P270 03 Auxiliary Input Function Select Function 0 13 E 0 Enter the following key This programs Auxiliary Input 3 terminal...

Страница 86: ...terial has been totalized When the material to be run on the belt changes the multispan is changed to the corresponding span This is completed either by changing the span value entered in P365 or by closing the appropriate contacts connected to the programmed Auxiliary inputs Span Auxiliary Input Aux 1 Multispan Selection Aux 2 Multispan Selection Aux 3 1 2 3 4 5 6 7 8 It may be required to reset ...

Страница 87: ...quipped to provide a 4 to 20 mA output proportional to weight preceding the material infeed Connect the weigh bin to one of the mA inputs on the optional mA I O board of the BW500 either mA input 1 terminals 5 and 6 or mA input 2 terminals 7 and 8 Install a material feed control device preced ing the weigh bin Feeder Max e g 90 High e g 70 Reference weight the amount of material held between High ...

Страница 88: ...cess P355 Online Calibration Features Select 0 Off 1 On V 1 Value is accepted Enter the weigh bin reference weight the amount of material the bin holds between the high and low levels in units selected in P005 Press the following keys in a sequence Access P356 Online Calibration Features Select 0 Off 1 On V 10 000 For example reference bin weight Enter the max high and low limit setpoints as a per...

Страница 89: ...te the mA inputs on the BW500 to the 4 and 20 mA levels of the weigh bin 4 mA is calibrated with the weigh bin empty using P261 01 or 02 20 mA is calibrated with the weigh bin full using P262 01 and P262 02 Assign one of the mA inputs for the Online Calibration function Press the following keys Access P255 01 mA Input Function Select 0 1 PID SP 2 PID FV 3 OCAL V 3 For example mA input 1 set to 3 A...

Страница 90: ...ibration Press the following keys P358 Online Calibration Features 0 OFF 1 ACTIVE V Note For remote access Online Calibration can also be activated using one of the Auxiliary inputs refer to P270 Page 165 When the Online Calibration is activated normal operation continues until the weigh bin fills to the maximum level 90 in the example shown During the filling stage the current level is displayed ...

Страница 91: ... compared to the value entered in P356 The deviation percentage between these values and the new Span count value is displayed Online Calibration Press ENTER to accept Deviation 2 51 New span 22280 Deviation percent and new Span count value Press the following key to accept the results Online Calibration Complete Press ENTER to accept New span 22280 Note Deviation must be no greater than 12 of the...

Страница 92: ...on Error 1 Rerun online calibration to verify the deviation press the following key to return to P358 2 Verify the mechanics of the belt scale carry out material tests to ensure the readings are correct 3 If the mechanics are functioning correctly perform an initial span using P388 7 6 Factoring Note For optimum accuracy in the factoring results a routine zero calibration is recommended To calcula...

Страница 93: ...the following key Factoring Weight Factoring in progress kg m The load reported while factoring is in progress Factoring Weight Press ENTER to accept value 45 25 For example the new value is accepted Press the following key P017 Test Load Weight Enter Test Load V 45 25 For example the current test load value Factoring is complete Remove test weight and return to RUN mode if desired Note If multisp...

Страница 94: ...ization by performing the following zero calibration span calibration at 90 to 100 of design rate material tests at 90 to 100 of design rate manual span adjust if required material tests at 1 to 5 intermediary flow rates where compensation is required Note Compensation points must be at least 10 of the design load apart calculate the percentage compensation for each flow rate tested compensation a...

Страница 95: ...e belt speed representative of normal operation in this case 1 2 m s For each rate record the corresponding load value by scrolling to the BW500 load display during running conditions or by calculation load rate speed BW500 load material test BW500 total compensationa kg m tonnes tonnes 6 94 2 5 2 8 10 7 13 89 5 0 4 5 11 1 20 83 7 5 7 9 5 1 27 78 10 0 9 2 8 7 34 72 12 5 13 3 6 0 a calculation exam...

Страница 96: ...ion BW500 and BW500 L 94 Operating Instructions 12 2016 A5E33482052 AD Actual weight per material test Totalized weight by BW500 Belt scale response Linearized BW500 response Internal response 100 150 of span compensation Span 100 ...

Страница 97: ...nt 3 compensation P392 04 8 7 point 4 compensation P392 05 6 0 point 5 compensation Note Often only one point of compensation is required usually at a low load value In the prior exam ple if compensation was only required at 6 94 kg m the programming could be as follows Compen sation is optimized by establishing the next load value that agrees with the material test hence where compensation is zer...

Страница 98: ...Operating Instructions 12 2016 A5E33482052 AD Actual weight per material test Totalized weight by BW500 Belt scale response Linearized BW500 response Internal response 100 150 of span compensation Span 100 For Parameter reference go to Parameters Page 153 ...

Страница 99: ...esentative of belt speed is required For optimum accuracy of the weighing system and both constant and variable speed applications a speed sensor is required The design speed P014 and speed constant P015 need to be programmed In constant speed applications no speed sensor the BW500 can be programmed to provide an internal speed signal This is achieved by entering the design speed P014 and providin...

Страница 100: ... as shown in the Installation section refer to AuxiliarySpeed Sensor and program the second speed sensor as described in the following steps 1 Program one of the Auxiliary Inputs as a Speed Sensor input P270 01 to 05 16 Speed Sensor 2 Program second speed sensors speed constant P015 02 pulses per meter or foot Refer to Start Up on page 29 for speed sensor programming 3 Program one of the alarms fo...

Страница 101: ... factor of COSINE of the angle of incline The Inclinometer should be mounted to the conveyor stringer parallel to the center of the belt scale The mA I O card is required to accept the mA signal from the Inclinometer This mA signal must represent 30 to 30 The incline angle is displayed in P399 The dynamic load cell signal will vary with the incline of the conveyor The BW500 and BW500 L load displa...

Страница 102: ...unctions are still active that is rate relay mA output and totalization If the PROGRAM mode is left idle for a period of ten minutes it automatically reverts to RUN mode Zero and span calibrations effectively halt the RUN mode while they are in progress During this time totalization ceases and all mA outputs except for PID fall to zero 8 7 Damping Damping P080 provides control over the speed at wh...

Страница 103: ... The mA output value can be tested to output a prescribed value using parameter P911 Refer to P911 Page 190 The optional mA I O board provides two additional mA outputs1 programmable as outputs 2 and 3 using the same parameters as the standard output 1 If programmed for PID control output 2 is assigned to PID control loop 1 and output 3 is assigned to PID control loop 2 1 not available with BW500 ...

Страница 104: ...te load and speed alarm functions the high and low alarm setpoints P101 and P102 respectively are required and must be entered in the appropriate units The high alarm setpoint acts as the setpoint deviation alarm for relays programmed for PID setpoint deviation The on off actuation at both high and low setpoints is buffered by the damping P080 and the programmable dead band P117 to prevent relay c...

Страница 105: ...fected by the damping function P080 The rate signal is sampled several times a second to accurately count the mass of material conveyed The count is held in the master totalizer used to increment the internal totalizers and to produce a pulse signal for the remote totalizers The BW500 provides several separate totalizer functions 8 10 1 Internal Totalizer The BW500 provides several separate totali...

Страница 106: ...lag behind the count rate the next possible resolution is automatically entered Example Internal totalizer 1 Given P005 1 t h P631 4 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 For remote totalization the contact closure duration P643 is automatically c...

Страница 107: ...the required 20 83 pulses per second is greater than the maximum 16 pulses per second the External Totalizer Resolution of 0 001 will not allow the External Totalizer to track up to 150 of the design rate The External Totalizer Resolution will have to be increased to 0 01 or the External Totalizer Contact Closure Time will have to be decreased The totalizers are reset through the master reset P999...

Страница 108: ...Operation 8 10 Totalization BW500 and BW500 L 106 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 109: ...eeder is turned back on there would be a surge of product flow until the system regains stability With anti wind up the feeder can be stopped and started with minimal disruption to the controlled flow rate To operate the BW500 as a controller address the following hardware connections setup and tuning programming Note PID control not available on the BW500 L 9 1 Hardware For the BW500 to operate a...

Страница 110: ...setpoint controller rate and load control 4 setpoint controller external process variable with or without rate and load control PID loop mA output terminals mA I O mA input terminal mA I O 1 2 1 2 1 5 6 2 3 3 4 2 7 8 9 2 1 Setpoint Controller Rate Control Shearing weighfeeder Belt scale Motor speed controller Control output P201 02 4 Optoinal remote setpoint rate P255 01 1 Load Speed Speed sensor ...

Страница 111: ...rating Instructions 12 2016 A5E33482052 AD 109 9 2 2 Setpoint Controller Load Control Belt Scale Motor speed controller Control output P201 02 4 Optoinal remote setpoint rate P255 01 1 Load Speed PID 1 process value source rate P402 01 1 Speed sensor ...

Страница 112: ...ed controller Control output rate P201 02 4 Remote ratio setpoint rate P255 01 1 P418 01 to suit Load Speed Speed sensor PID 1 process value source rate P402 01 1 Belt scale Motor speed controller Control output rate P201 02 4 Rate P201 01 1 Remote setpoint rate P255 01 1 Load Speed Speed sensor PID 1 process value source load P402 01 1 P201 03 1 also applicable ...

Страница 113: ... and Load Control Motor speed controller rate Motor speed controller load PID 1 control output P201 02 4 PID 2 control output P201 03 4 PID 1 remote setpoint load P255 01 1 PID 2 remote setpoint rate P255 02 1 Load Belt scale Speed PID 1 process value source load P402 01 2 PID 2 process value source rate P402 02 1 Speed sensor ...

Страница 114: ...xist and the difference is never zero A small P term can get the process very close to set point but it would take a very long time At the very least an Iterm is required to eliminate the offset created by the P term 9 3 2 Integral Control Automatic Reset I The I term on the BW500 is used to increase or reduce the amount of control output to eliminate the offset caused by the P term The I term act...

Страница 115: ...lt of the derivative action is that it can make a system more responsive and more stable at the same time 9 3 4 Feed Forward Control F On the BW500 the F term is used to adjust the control output based on a setpoint change The use of this term can make the system reach the new setpoint faster If the term is not used the system responds using the P I and D terms only The difference between the new ...

Страница 116: ...plications shearing weigh feeders in particular some tuning will be necessary nonetheless There are several techniques and procedures for tuning conventional PID controllers some work better depending upon the application We recommend using closed loop cycling for the BW500 integrator controller for feed rate control This technique focuses on tuning the P term first while disabling the I and D ter...

Страница 117: ...and error Likewise increase the value if the error is not consistent and oscillating around the setpoint Refer to figures 1 2 and 3 below 5 Once the P term value is set to give the control output of the BW500 consistent oscillation and the error is at its minimum turn the feeder off 6 The I term value can now be set Begin by entering the default value of 0 2 7 Restart the feeder test weights or ch...

Страница 118: ...mes very useful in applications where the material control point is far away from the measuring point An example of this would be a weigh belt or conveyor with a belt scale constant speed being fed from a pre feeder some distance or more than a few seconds process time from the scale A properly set D term will make the initial oscillations around the setpoint smaller as in figure 6 A D term set to...

Страница 119: ...hould be done in the PID manual mode Access P400 01 PID System E Select 0 Off 1 Manual 2 Auto 0 Select 1 manual to program PID parameters Off disables the PID parameter set P401 to P418 They are not accessible Manual the control output is the manual output P410 Auto engages the PID controller function This can also be done using the following key Note For the mA output mA output 2 P201 02 is norma...

Страница 120: ...5 01 mA Input Function E Select 0 1 PID SP 2 PID PV 0 Assign either 1 PID setpoint or 2 process variable as the function of the mA input P401 01 PID Update Time E Readings between PID Updates 1 Enter the value e g nominal value of 1 P402 Process Variable Source E 1 Rate 2 Load 3 mA In Select the source Rate and load are internal values P405 01 Proportional Term E Enter 0 40 Enter the value for the...

Страница 121: ...value entered into P415 mA Input 1 the setpoint is the mA value on input 1 terminals 5 and 6 on the mA I O board mA Input 2 the setpoint is the mA value on input 2 terminals 7 and 8 on the mA I O board P415 01 Local Setpoint Value E Enter Setpoint 0 Enter the setpoint value in engineering units Not applicable if P414 1 P416 01 External Setpoint E Setpoint 0 Current setpoint value in engineering un...

Страница 122: ... Instructions 12 2016 A5E33482052 AD P255 01 mA Input Function E Select 0 1 PID SP 2 PID PV 0 Assign either 1 PID setpoint or 2 process variable as the function of the mA input Note The PID setpoint can be modified while in RUN mode using the up down arrow keys ...

Страница 123: ...atch setpoint function P100 8 is actuated when the material total reaches the setpoint The relay contact acts as an interlock to the material feed to end the batch Another relay can be programmed as a pre warn alarm P100 7 to alert the process that batch end is near The relay is actuated when the material total reaches the prewarn setpoint P567 at some practical value below the batch setpoint The ...

Страница 124: ...tions 10 1 1 Typical Ladder Logic Typical relay assignment Relays 1 5 are available for batch setpoint or pre warm alarm func tion Typical auxiliary input assignment Inputs 1 5 are available for batch reset BW500 RL1 batch stop Stop Start Motor contactor MC1 Alarm BW500 RL2 pre warm Batch reset BW500 aux 1 ...

Страница 125: ...elay 1 5 select function 7 Pre Warn 10 3 Operation Once the BW500 relays are connected to the process logic and it is programmed the BW500 is ready for totalizing the batch and stopping the process when the batch setpoint is reached The batch operation start pause resume and cancel are controlled externally by the process control e g PLC Place the unit in the RUN mode Press ALT DISP until the batc...

Страница 126: ...2 8 When the next batch is to be run pressing the following keys then on the local keypad or providing a momentary contact closure across an auxiliary input programmed as batch reset P270 8 sets the alarm display and resets the batch total to zero and the relay contact to its closed state Rate 0 00 kg h Batch 0 00 kg SP 20 000 Note The batch setpoint can be modified in RUN mode using the up down a...

Страница 127: ... Dolphin and Modbus Dolphin is a proprietary Siemens Milltronics protocol designed to be used with Dolphin Plus Modbus is an industry standard protocol used by popular SCADA and HMI systems 11 1 BW500 and BW500 L and SmartLinx In addition to three onboard communication ports the BW500 and BW500 L is compatible with Siemens SmartLinx communication modules which provide an interface to popular indus...

Страница 128: ...35 to 40 3 RS 232 RJ 11 modular telephone jack Refer to the Installation Page 21 for wiring diagrams specific to each port 11 2 1 Wiring Guidelines Improper wiring and choice of cables are the most common sources of communication problems Listed below are some suggested guidelines 15 meters 50 feet for RS 232 1200 meters 4000 feet for RS 485 Ensure that communication cable is run separately from p...

Страница 129: ...70 01 to 03 The BW500 and BW500 L supports Siemens Milltronics proprietary Dolphin data format as well as the internationally recognized Modbus standard in both ASCII and RTU formats It also supports direct connection of a printer The Siemens protocol is compatible with the Dolphin Plus configuration program See the Siemens web site for information on this PC product http www siemens com processau...

Страница 130: ...devices on the network have unique addresses Do not use the value 0 for Modbus communications as this is the broadcast address and is inappropriate for a slave device Values 0 to 9999 f 1 11 3 3 P772 Baud Rate The communication rate with the master device for the selected port ports 1 to 3 P772 01 to 03 The baud rate chosen should reflect the speed of the connected hardware and protocol used Value...

Страница 131: ...to use an external modem Any connected modem must be set up to auto answer incoming calls The BW500 and BW500 L does not automatically configure the modem Autobaud enabled by P778 1 When the BW500 and BW500 L is powered up or the P779 Modem Inactivity Timeout expires three carriage returns are sent to the modem to allow it to set its serial connection to P772 Baud Rate If a connection is made with...

Страница 132: ...ted disconnect occurs but long enough to avoid timeout while you are still legitimately connected Hanging Up If the line is idle and the P779 Modem Inactivity Timeout expires then the modem is directed to hang up the line This is done with the Hayes commands two second delay two second delay ATH Ensure that P779 is set longer than the standard polling time of the connected master device 0 disables...

Страница 133: ...8 rate and speed 9 quick start parameters P001 P017 10 all parameters 1 Totalizer 1 and or 2 as set by P647 Totalizer Display 2 Not available with BW500 L 11 3 11 P799 Communications Control Assigns programming control either locally through the keypad or Dolphin Plus P770 1 or remotely through Modbus protocol P770 2 or 3 or SmartLinx Entry 0 local 1 remote WARNING When a SmartLinx card is install...

Страница 134: ...052 AD 11 4 Dolphin Protocol The protocol is available on all communications ports on all units This protocol is not available for third party use The primary use of this protocol is to connect the BW500 and BW500 L to Siemens Milltronics Dolphin Plus configuration software Dolphin Plus Screen Shot ...

Страница 135: ...ntact your local Schneider representative Also you may try their web site at http www modicon com http www modicon com At the time of publication of this manual the Modbus Protocol was located under products technical publications communications products Modbus protocol Note Siemens does not own the Modbus RTU protocol All information regarding that protocol is subject to change without notice 11 ...

Страница 136: ...t Note When using a commercial Modbus driver all of the message details are handled for you To give you a better idea of how a Modbus message works a master on network would send a message in a format similar to this Station address Function code Information Error check Where Station address the network address of the slave being ac cessed Function Code number that represent a Modbus command eithe...

Страница 137: ...ter Values Read Identifies the read write capability for the regis ter being addressed Reference Provides reference documentation for the register being addressed Type Description Start R Parameter Values Read Reference Format Format Word for 32 bit variables 40 062 1 0 1 r w Refer to Modbus Register Map cont d section given below ID Device Iden tifier 40 064 1 2 r Refer to Modbus Register Map con...

Страница 138: ...06 1 12 12 r w see P739 Page 186 Process Values Rate 41 010 2 32 bits r Refer to the Process Values R41 010 R41 048 section given below Load 41 012 32 bits r Speed 41 014 2 32 bits r Total 1 41 016 2 32 bits r Total 2 41 018 2 32 bits r Device State 41 020 1 bit mapped r Refer to the Process Values R41 010 R41 048 section given below Command Control 41 022 1 bit mapped r w Refer to Command Control...

Страница 139: ...1 bit mapped r Refer to the I O R41 070 41 116 section given below Relay Out puts 41 080 1 bit mapped mA Inputsa 41 090 2 0000 20 000 r mA Outputs 41 110 3b 0000 20 000 r Diagnostic Diagnostic State 41 200 1 number code r Refer to the Trouble shooting Page 193 s ection P940 load cell A index 1 41 201 2 32 bits r Refer to P940 Load Cell mV Signal Test Page 191 and P943 Load Cell A D Refer ence Page...

Страница 140: ... 174 PID 2 Deriv ative Term 41 410 2 32 bits r w PID 1 Feed Forward Term 41 412 2 32 bits r w Refer to P408 Page 174 PID 2 Feed Forward Term 41 414 2 32 bits r w PID 1 Re mote Set point Ratio 41 416 2 32 bits r w Refer to P418 Page 176 PID 2 Re mote Set point Ratio 41 418 2 32 bits r w a Not available with BW500 L b BW500 L has 1 output only 11 5 5 Modbus Register Map cont d Format R40 062 This va...

Страница 141: ... hand held programmer are available through these registers Address Description 40 090 Parameter integer 40 091 Primary Index integer 40 092 Secondary Index integer 40 093 Format word bit mapped 40 094 Read value word 1 40 095 Read value word 2 40 096 Write value word 1 40 097 Write value word 2 Reading Parameters To read parameters through Modbus follow these steps 1 Send the parameter its primar...

Страница 142: ...6 Reserved The bits listed above are in order from least to most significant 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 For example to format the output value so that it is shown with two decimal places shifted to the left the format bits would look like this 16 0 reserved 15 0 most significant first 14 0 read 13 1 float format 12 0 decimal offset 2 11 0 10 1 9 0 8 0 no error code 7 0 6 0 5 0 4 0 3 0 ...

Страница 143: ... bits of the format word This allows for 256 potential error codes Currently the BW500 and BW500 L has two error codes available Values Description 0 No error 1 Data not available as percent available as units 2 255 Reserved Date and Time R41 000 41 006 1 The date and time can be read or written in registers 41 000 to 41 006 as defined in the table above Example If you are located in Toronto Canad...

Страница 144: ...e others are not The state should be checked to verify any device commands Bit Description Bit Clear Bit Set 1 1 PID 1 Modea Manual Auto 2 PID 1 Freezea No Yes 3 PID 1 Setpoint Sourcea Local Remote 4 PID 2 Modea Manual Auto 5 PID 2 Freezea No Yes 6 PID 2 Setpoint Sourcea Local Remote 7 Zero No In progress 8 Span No In progress 9 10 11 12 13 Write Privileges No Yes 14 System Configured Not Configur...

Страница 145: ... set to 0 then changed to 1 It can stay set or clear for any period Bit Description Bit Clear Bit Set 1 1 PID 1 Modea Manual Auto 2 PID 1 Freezea No Yes 3 PID 1 Setpoint Sourcea Local Remote 4 PID 2 Modea Manual Auto 5 PID 2 Freezea No Yes 6 PID 2 Setpoint Sourcea Local Remote 7 Zero No change Start 8 Span No change Start 9 Reset Totalizer 1 No change Reset 10 Reset Totalizer 2 No change Reset 11 ...

Страница 146: ...rd the totalized value as displayed on the LUI Not doing this could cause a reporting discrepancy in expected material totals within the process Once the internal totalizer registers realize a value of 100 000 000 the internal registers will perform a rollover causing the display of the LUI to start from a value of 0 This will also cause the Instrument_Status2 word bits to reset to 0 Example R41 0...

Страница 147: ... mA output test output value and mA input value The mA I O are mapped into the respective input and output registers Input Register Output Register 1 R41 090 1 R41 110 2 R41 091 2 R41 111 3 R41 112 For 0 to 20 mA I O the register value ranges from 0 to 20 000 For 4 to 20 mA I O the register value ranges from 4 000 to 20 000 If the 4 or 20 mA values have been trimmed then the register value is adju...

Страница 148: ...second word register is the least significant word LSW For example if we read R41 431 as a 32 bit the 32 bits would look like the following R41 431 R41 432 16 MSB 1 16 LSB 1 32 32 bit integer value UNINT32 1 The whole is read as a 32 bit integer The most significant byte MSB and least significant byte LSB can be reversed to accommodate some Modbus drivers Text Messages If a Siemens Milltronics dev...

Страница 149: ...ll use radio frequencies for transmitting the information Fiber optic uses a fiber optic line to connect the two modems Each type of modem and each model have various characteristics Before purchasing the modem contact the modem manufacturer and ask if they have had experience using the modems with Modbus protocol with no flow control If they have ask them what settings were required Setting up th...

Страница 150: ...bits probably the default Modbus RTU Software baud rate 9600 8 bit no parity 1 stop bit dial prefix ATDT Initialization command ATE0Q0V1X05 0512 100 Reset command ATZ Hang up command ATHO Command response delay 5 seconds Answer Delay 30 seconds Inter character delay 55 ms Slave Modem auto answer on dip switch load factory default dip switch no flow control dip switch baud rate 9600 10 data bits pr...

Страница 151: ...ue 1 1 Stop Bit set P778 port 1 to the value 1 Communications through Modem set P779 port 1 to the value 300 Modem Inactivity of 300 seconds Note Parameters are defined the in the Installation section 11 7 Error Handling Modbus Responses When polled by a Modbus Master a slave device will do one of the following 1 Not reply means something went wrong with the transmission of the message 2 Echo back...

Страница 152: ...be divided up into two general sources an error in transmission user tries to do something that is not a valid action In the first case the BW500 and BW500 L will not respond and let the master wait for a response time out error which will cause the master to re send the message In the second case it depends on what the user tries to do Listed below are various actions and what the expected outcom...

Страница 153: ...Communications 11 7 Error Handling BW500 and BW500 L Operating Instructions 12 2016 A5E33482052 AD 151 ...

Страница 154: ......

Страница 155: ...m parameter programming required before attempting a calibration and successful entry into the RUN mode 12 1 1 P001 Language Selects the language for communication with the BW500 and BW500 L Entry 1 Englishf 5 Italian 2 French 6 Portuguese 3 German 7 Russian 4 Spanish 12 1 2 P002 Test Reference Selection Selects the type of test reference used to represent a material load weight chain or electroni...

Страница 156: ...ent System Selects system of measurement used either imperial or metric Entry 1 imperial 2 metricf 12 1 5 P005 Design Rate Units Determines the units for programming and measurement imperial P004 1 metric P004 2 entry 1f T h tons hour t h tonnes hour 2 LT h long tons hour kg h kilograms hour 3 lb h pounds hour kg min kilo grams minute 4 lb min pounds minute Changing this parameter does not affect ...

Страница 157: ...ment has been selected P004 1 metres s if the metric system of measurement has been selected P004 2 12 1 10 P015 Speed Constant Set the speed constant for the speed sensor selected P015 01 or 02 1 1 Index 02 is not available with BW500 L The value in P015 01 is used with the speed sensor frequency to calculate the actual belt speed f 0 000 The value in P015 02 is used for differential speed detect...

Страница 158: ...number MS 1 81 1 Multispan function is not available with BW500 L Enter the test load value In the case of weight pressing enter at P017 invokes P680 for data entry In the case of ECal pressing enter at P017 invokes P693 for data entry ECal sets the value for P017 at 100 of design load P952 In the case of chain pressing enter at P017 allows direct entry of the load value stamped on the chain s nam...

Страница 159: ...entered either as a calculation of change into P598 or as the weight of the material test Entry 1 change 2 material test Refer to Recalibration Page 67 12 1 15 P022 Minimum Speed Frequency Sets the minimum frequency that the speed sensor can reliably read Signals at low frequencies are erratic adversely affecting the performance of the weighing system Entry 1 1 Hz at 1 Hz it takes 1 s before defau...

Страница 160: ...ys 1 to 5 P100 01 to 05 BW500 L relays 1 and 2 P100 01 02 Note To reset the Diagnostics relay the BW500 and BW500 L must be cycled between PROGRAM and RUN mode To reset the Batch relays the Batch totalizer must be reset Entry 0 OFF f 1 rate 2 load 3 speed 4 diagnostic 5 PID 01 setpoint deviation1 2 6 PID 02 setpoint deviation 1 2 7 pre warn1 3 8 setpoint1 3 9 online calibration1 4 10 differential ...

Страница 161: ...ial speed functions P100 10 this parameter sets the high alarm setpoint for the relay selected relays 1 to 5 P100 01 to 05 1 Not available with the BW500 L 12 2 3 P102 Low Alarm Sets the low alarm setpoint for relay selected BW500 relays 1 to 5 P100 01 to 05 BW500 L relays 1 and 2 P100 01 to 02 f 20 Enter the value in of full scale Note Not applicable if P100 4 5 6 7 or 8 Differential Speed f 90 1...

Страница 162: ... their open or closed state Power Failure The relays on the BW500 default to normally open under power loss Normal Operation In software all relays are programmed the same way with ON setpoints always indicating relay action This parameter allows the reversal of the operation Normally P118 2 for each relay Reverse Operation When P118 3 the operation of the indexed relay is reverse from normal Valu...

Страница 163: ... L 12 3 1 P200 mA Output Range Sets the mA range for the output selected outputs 1 to 3 P200 01 to 03 2 Entry 1 0 20 mA 2 4 20 mAf 2 BW500 L has one output parameters will not present multiple indexes 12 3 2 P201 mA Output Function Assigns the mA output function for the output selected outputs 1 to 3 P201 01 to 03 2 Entry 1 ratef 2 load 3 speed 4 PID control output3 4 2 BW500 L has one output para...

Страница 164: ...e output selected outputs 1 to 3 P214 01 to 03 1 The trim adjust the output to agree with a milliameter or other external mA input device Scroll the trim value up or down 1 BW500 L has one output parameters will not present multiple indexes 12 3 7 P215 20 mA Output Trim Trims the 20 mA output level for the output selected outputs 1 to 3 P215 01 to 03 1 The trim adjust the output to agree with a mi...

Страница 165: ... function for the input selected inputs 1 to 2 P250 01 to 02 0 OFFf 1 PID setpoint 2 PID process variable 3 Online calibration1 4 Moisture compensation 5 Incline compensation Note Not available with BW500 L 1 Valid only if Online Calibration is turned on P355 1 12 3 11 P261 4 mA Input Trim Trims the 4 mA input level for the input selected inputs 1 to 2 P250 01 to 02 The trim adjusts the input to a...

Страница 166: ...ns 12 2016 A5E33482052 AD 12 3 12 P262 20 mA Input Trim Trims the 20 mA input level for the input selected inputs 1 to 2 P250 01 to 02 The trim adjusts the input to agree with an external 20 mA source Follow the BW500 online instructions to trim the input Note Not available with BW500 L ...

Страница 167: ...s a zero calibration 4 span momentary closure of the input contact initi ates a span calibration 5 print momentary closure of the input contact sends a print request 6a multispan selection maintained closure state of the input con tact s up to 3 selects the multispan P365 8a reset batch momentary closure of the input contact resets the batch totalizer to zero 9a PID freeze off closure suspends PID...

Страница 168: ...Calibration P100 P255 P355 P356 and P357 must be set up 0 OFFf 1 alternate display 2 reset totalizer 1 3 zero 4 span 5 print 6 multispan selection1 2 7 reserved2 8 reset batch2 9 PID freeze2 10 PID setpoint source2 11 PID mode2 12 external alarm 13 remote communication write 14 Initiate Online Calibration2 15 Accept new online calibration span2 3 16 Auxiliary speed sensor2 1 If the BW500 is progra...

Страница 169: ...l ask you to set up span test Once loading is within 2 of the design test weight it will perform the span For the print command to work the BW500 and BW500 L must be in RUN mode 12 4 Calibration Parameters P295 P360 12 4 1 P295 Load Cell Balancing Initiates an electronic balancing of the load cell input signals Balancing is required for belt scale models of two four or six load cell design Refer t...

Страница 170: ...in addition to P000 no zero no span No No Yes 3 in addition to P000 no zero no span no totalizer 1 T1 reset No No No 12 5 Online Calibration Options P355 P358 Note Online calibration options must be enabled P355 1 before they become available Not available with BW500 L 12 5 1 P355 Online Calibration Feature Enables Online Calibration Entry 0 OFFf 1 ON 12 5 2 P356 Online Calibration Reference Weigh...

Страница 171: ...he test load P017 to a new test reference either weight or chain The task is performed only for the weight or chain relevant for the multispan selected if applicable Entry 1 weight f 1 2 chain Refer to Recalibration Page 67 for execution of the factoring procedure Note Totalization is halted during the factoring procedure and resumed only upon return to the RUN mode 12 5 6 P360 Calibration Duratio...

Страница 172: ...MS7 for product or condition G 8 multispan 8 MS8 for product or condition H Refer to Multispan and P270 Auxiliary Input Function 6 12 5 8 P367 Direct Zero Entry Directly enters the zero reference count Direct entry is intended for use when replacing software or hardware and it is not convenient to perform an initial zero at that time f 0 Refer to Recalibration Page 67 for execution 12 5 9 P368 Dir...

Страница 173: ...ax 10 0 default 2 0 When the certification switch is set this parameter will assume the default value 2 0 Note Material will not be totalized during auto zero calibrations 12 5 12 P377 Initial Zero Resets the 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 beyond the zero limit P...

Страница 174: ... the load values in units of P017 for the point selected points 1 to 5 P391 01 to 05 f 0 00 150 max 12 6 3 P392 Linearizer Compensation Enters the compensation value in percent for the point selected point 1 to 5 P392 01 to 05 f 0 00 range is 150 to 150 12 6 4 P398 01 Moisture Content Factors out moisture component of load rate and total for all multispans selected The factored values are meant to...

Страница 175: ... Control Note Changes to P401 P402 and P414 are not immediately effected while in auto mode Change should be made in the manual mode and are effected upon return to the auto mode The PID function does not control during any of the calibration functions e g zero span factor material test Not available with BW500 L 12 7 1 P400 PID System Enables the selected PID system systems 1 or 2 P400 01 or 02 E...

Страница 176: ...portional term is the proportional gain A gain of 1 is equivalent to a proportional band of 100 The proportional band is the range of deviation from the setpoint that corresponds to the full range or the control output Enter the proportional term 0 000 to 2 000 12 7 5 P406 Integral Term Sets the integral term P406 01 or 02 for the corresponding PID system 1 or 2 f 0 200 Enter the integral term 0 0...

Страница 177: ...ue is entered into P415 The setpoint can be set from the mA input 1 or 2 The mA value is scaled to the full scale value of the process value P402 Entry 0 localf 1 mA input 11 2 mA input 21 3 rate2 4 load2 1 For PID 01 the setpoint source is mA input 1 for PID 02 the setpoint source is mA input 2 2 Options 3 and 4 are only available if P402 has been set for an external process value source For opti...

Страница 178: ...ding PID system 1 or 2 when P414 1 or 2 f 100 The remote setpoint ratio scales remote setpoint input by the set percentage A value of 100 means that the setpoint is 100 of the mA input 12 7 13 P419 PID Freeze Option Note If the input speed frequency drops below 5 Hz the PID control output freezes at its current value Enables or disables the PID freeze option described in the note above Entry 0 OFF...

Страница 179: ...nearing completion Entry 0 OFFf 1 ON 12 8 4 P567 Batch Pre Warn Setpoint Sets the setpoint for the pre warn function P566 When the batch reaches the setpoint the relay contact associated with the pre warn function P100 closes f 0 000 Enter setpoint in units of weight selected P005 12 8 5 P568 Batch Pre Act Acts on the batch operation such that when the batch totalizer is reset the batch total is c...

Страница 180: ...ch totalizer reaches 950 12 8 7 P598 Span Adjust Percentage Accessible only through manual span adjust P019 when percent change 1 is selected Refer to Change 12 9 Totalization P619 P648 The following parameters are specific to the use of the BW500 and BW500 L totalizers See Totalization Page 103 12 9 1 P619 Totaling Dropout Sets the limit in percent of design load below which material rates are no...

Страница 181: ...y is set to 0 0 Note Valid only if P201 1 or 2 BW500 has three mA outputs BW500 L has one 12 9 4 P631 Totalizer Resolution This parameter sets the resolution of the totalizer selected Totalizers are 01 totalizer 1 02 totalizer 2 03 verification totalizer 04 material test totalizer 05 batch totalizer1 Entry 1 0 001 one thousandth 2 0 01 one hundredth 3 0 1 one tenth 4 1 unit f 5 10 x ten 6 100 x hu...

Страница 182: ...e is 2 147 483 638 With 2 decimal places set the largest readable value is 21 474 836 38 With 1 or 0 decimal places set the largest readable value is 100 000 000 Note This parameter is only relevant if viewing the totalizer value using remote communications such as SmartLinx or Modbus 12 9 6 P635 Verification Totalizer Enables a dedicated internal totalizer that totals the amount of material conve...

Страница 183: ... and 2 12 9 7 P638 External Totalizer Resolution Note If the resolution selected would cause the totalizer to lag behind the count at 100 of design rate the next possible resolution is automatically entered External Totalizer output frequency must not exceed 13 33 Hz at 150 of design rate This parameter sets the resolution of the selected external totalizer Totalizers are P638 01 external totalize...

Страница 184: ...losure requirements such as in the case of programmable logic controllers Note If the duration selected causes the totalizer to lag behind the count rate the next possible duration is automatically entered External Totalizer output frequency must not exceed 13 33 Hz at 150 of design rate 12 9 9 P647 Totalizer Display Selects the totalizer combination to be displayed either manually through the scr...

Страница 185: ...l mass of all of the test weights used for span calibration The mass units are determined in P004 imperial 1 metric 2 12 9 13 P682 Average Idler Spacing For test load data entry P680 2 this parameter is enabled for entry of the average idler space before and afer the scale On multiple scale idler systems this includes the entire weigh area The length units are determined in P004 imperial 1 metric ...

Страница 186: ... 1 BW500 L has only one speed input 12 10 ECal Parameters P693 P698 Accessible only through P017 for ECal test reference After Ecal completion only a zero calibration is necessary to allow access to the RUN mode Note ECal is not available on six load cell belt scales 12 10 1 P693 Load Cell Capacity Units Determines the units used for entering eCal data 1 kg 2 lb 3 Other mV Span 1 1 In the case of ...

Страница 187: ...Nominally this value is 10 V However a measurement of the voltage at the load cell provides the most accurate entry Enter the load cell excitation in V DC 12 10 5 P697 ECal Idler Spacing Enters the measured distance between the weighing idlers Refer to the associated belt scale instruction manual f 1 0 Distance units are feet if the imperial system of measurement has been selected P004 1 metres if...

Страница 188: ...onding to 0 to 100 full scale load Upon entry display jumps to P017 to display the design load value as the test load 12 10 8 P735 Back Light Sets the intensity of the back light for the LCD f 10 Entry 0 off 1 to 10 low to high 12 10 9 P739 Time Zone The offset from Greenwich mean time GMT of local time This parameter does not affect any timed events because all times are local It can be accessed ...

Страница 189: ...signed double register integers UINT32 except for those in the direct parameter access Values Description 0f most significant byte MSB is given first 1 least significant byte LSB is given first 12 11 2 P750 P769 SmartLinx Module Specific Parameters These parameters are specific to the SmartLinx module installed Refer to the module documentation for a list and description of the specific parameter ...

Страница 190: ...e Error go to P791 Hardware Error Code and P792 Hardware Error Count for information about the error 12 12 2 P791 Hardware Error Code Indicates the precise cause of Fail or ERR1 condition from P790 Values Description 0f No errors Any other value Error code provide this code to your Siemens representative for troubleshooting 12 12 3 P792 Hardware Error Count A count that increments by 1 each time F...

Страница 191: ...inx module is not configured P795 will have a value of either 255 or 0 12 12 6 P799 Communications Control Assigns programming control through the local keypad or Dolphin Plus P770 1 or through a Modbus protocol P770 2 or 3 Entry 0 local 1 modbus 12 13 Test and Diagnostic P900 P951 Note These parameters are used for test and diagnostic purposes 12 13 1 P900 Software Revision Displays the EPROM Fla...

Страница 192: ...UN mode the parameter assumes the actual mA output level f 0 Use the UP and DOWN arrow to scroll the value 1 BW500 L has one output only 12 13 4 P914 mA Input Value Displays the current mA input value for the input selected inputs 1 to 2 P914 01 to 02 Note Not applicable if mA I O board is not connected Not available for BW500 L 12 13 5 P918 Speed Input Frequency Displays the frequency of the spee...

Страница 193: ... cells These values are affected by load cell balancing P295 Load cells are 01 A and B 02 C and D2 03 A and B plus C and D2 04 A 05 B 06 C2 07 D2 2 Not available for BW500 L 12 13 9 P948 Error Log Displays a log of the last 25 error or alarm events P948 01 to 25 that have occurred Event 01 is the current error Display 0 no error error code refer to Troubleshooting 12 13 10 P950 Zero Register Regis...

Страница 194: ...952 Design Load 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 f 0 00 12 13 13 P999 Master Reset Resets parameters and totalizers to their factory setting f 0 Enter 9 to execute the reset ...

Страница 195: ...e driver called ModScan32 is available from Win Tech at www win tech com www win tech com We have found that this driver has been very useful to test communications 13 2 Specifically Q1 I tried to set a Siemens Milltronics device parameter but the parameter remains unchanged A1 a Try setting the parameter from the keypad If it can t be set using the keypad check the lock parameter P000 and b Check...

Страница 196: ... the Test Load P017 value is less than the value in P952 if it is greater than P952 check that the values entered in START UP parameters P001 to P017 are entered correctly Ensure prop er test weight or chain is applied during span calibration 221 Span out of range Span deviation 12 5 Consider an initial span P388 Refer to Initial Span 222 Auto Zero out of range Zero deviation mini mum limit Consid...

Страница 197: ...s not been pro grammed properly 242 No PID mA Output PID System P400 has been turned on but mA Output P201 has not been programmed properly 243 No batch setpoint relay Batch has been set up but no relay has been configured for a set point 244 No speed relay Second speed sensor configured but no relay is assigned PF Power Failure Displayed at the bottom right corner of the dis play if power is inte...

Страница 198: ...Troubleshooting 13 2 Specifically BW500 and BW500 L 196 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 199: ...eviation from one zero calibration to another is limited to an accumulated 2 of the zero value and the totalizer dropout P619 is limited to 3 or less when the certification switch is set To set the certification switch disconnect power before opening the enclosure lid slide switch to the left position close the lid reconnect the power Note Not available with BW500 L 14 2 Parameters unlocked when c...

Страница 200: ...d for a printer The printout must consist of the following Date YYYY MM DD Time HH MM SS Instrument ID Belt Scale serial number Units Units set in P005 Start Total End total of previous print End Total Accumulated totalizer including Start Total Net Total End total minus Start Total If a power failure occurs during totalization power failure indicator PF will be printed in the middle of a new line...

Страница 201: ...alled a master reset P999 must be done The parameters can then be reloaded either manually or downloaded from the previously saved file If downloading parameters via Dolphin Plus confirm that BW500 and BW500 L is in PROGRAM mode The zero and span values are included in the parameter file However new zero and span calibrations should be done regardless and as soon as possible to ensure operating ac...

Страница 202: ...t set to manual the speed output will be the last value prior to starting the zero or span calibration shut off the prefeed to conveyor In process where a prefeed device is included it must be turned off to ensure that no material is fed onto the belt A 2 Appendix II Appendix II Software Revision History Software Revision Date Changes 2 00 April 30 1999 Original software release 2 01 July 20 1999 ...

Страница 203: ...cells selected 2 03 May 16 2000 Allow proper startup if no RAM battery installed 2 04 June 30 2000 Larger flash added 2 05 February 07 2001 SmartLinx update time in creased to 250 msec Batch totalizer was made accessible using Modbus New real time clock added BW500 calibrations no long er affected by time out Auto Zero alarm relay will now reset toggling from pro gram to run mode 2 06 February 17 ...

Страница 204: ...issue with inter val printing Added rate and load to PID setpoint configuration P414 Updated Auto Zero to allow run display to be seen AZ now flashes in bottom right hand corner of display Updated span adjust calcu lation Increased totalizer resolution to 100 000 000 Improved error interruption on display Fixed zero and span calibra tion using remote communi cations 3 04 May 09 2002 Fixed SmartLin...

Страница 205: ...Remote zero and span cali brations fixed Differential speed detection added Moisture meter added Inclinometer feature added 3 09 August 8 2006 Remote totalizer exceeded error fixed Totalizer dropout P619 now limited to 3 or less when certification switch en abled 3 11 March 31 2009 Second speed sensor accu racy at frequencies below 10 Hz fixed Parameter download using Dolphin Plus fixed Dolphin Pl...

Страница 206: ... P619 now limited to 25 Improve Modbus communi cation Improve Diagnostic parame ter Remote span does not re quire zero prior to running Online calibration now ad justs P017 value New language options for print strings Added load cell values to Modbus map 3 decimal place resolution on batch totalizer added Updated Display options for remote parameters changes 3 13 03 June 12 2012 Added Portuguese I...

Страница 207: ...Internet Service Support In addition to our documentation Siemens provides a comprehensive support solution at Services Support http www siemens com automation service support Personal contact If you have additional questions about the device please contact your Siemens personal contact at Partner http www automation siemens com partner In order to find the contact for your product select under Al...

Страница 208: ...Appendix A 3 Technical support BW500 and BW500 L 206 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 209: ...edetermined quantity of material Contacts A junction of electrical conductors in open not connected or closed connected states Damping Provides control over the speed at which the displayed rate load speed readings and output functions are updated in response to changes in the internal rate signals Design Rate This is the maximum material flow rate for this particular application 100 full scale Di...

Страница 210: ...as reference for all other zeros to determine whether they have deviated beyond the Zero Limit P370 Input Output Trim Allows the 4 and 20 mA values to be adjusted and verified with an external source meter Linearization Compensates for non linear output of the belt scale caused by varying load rates Load Cell Strain Gauge type transducer that produces an electrical output proportional to force loa...

Страница 211: ...material to realize maximum accuracy PID Proportional Integral Derivative control is used to control the feed rate to a setpoint either internal to the BW500 or external RAM Random Access Memory Random Access Memory Memory that has both read and write capabilities Relay An electromechanical device with contacts that can be closed or opened by energizing a coil Routine Span Any operator initiated s...

Страница 212: ...ded by either the LVDT or Load Cell at 100 design load Span Register This is the number of span calibrations that have been performed since the last master reset Test Weight A calibrated weight which will represent a certain load on the scale Totalizer An incremental counter that records the total of material that has been monitored Zero Register Shows the number of zero calibrations that have bee...

Страница 213: ...8 168 204 calibration ECal 57 156 184 184 calibration ECal 57 156 184 184 calibration online 19 87 88 168 204 Calibration online 85 Command Controls 143 communication configuration ports 127 ports 125 communications 125 configuring ports 127 ports 15 127 protocol 127 128 Communications 19 configuring communication ports 127 Connections 82 107 control feed forward 113 integral 112 output 112 PID 11...

Страница 214: ...ntation I O 15 Internet 205 K Key 48 L Leased line modem 125 linearization 92 load cell 17 load cells 57 LVDT 17 34 M mA 18 118 analog 15 I O board 107 input 101 118 161 output 117 161 output test 190 Main entry 149 Mapping 139 maximum separation 126 Milltronics BW500 15 Milltronics BW500 and BW500 L features 15 Milltronics BW500 L 15 Modbus 133 how modbus works 133 protocol 125 133 responses 149 ...

Страница 215: ...service 167 P350 calibration security 168 P355 online calibration feature 168 P356 online calibration reference weight 168 P357 online calibration limits 169 P359 factoring 169 P360 calibration duration 169 P365 multispan 170 P367 direct zero entry 170 P370 zero limit deviation 171 P370 zero limit deviation 171 P371 auto zero initiation upper limit 171 P377 initial zero 171 P388 initial span 171 P...

Страница 216: ...l address 128 P790 hardware error 188 P792 hardware error count 188 parity 128 read and write 139 reading 139 SmartLinx hardware testing 187 values 141 writing 139 paramter P799 communications control 189 PID 18 102 114 function 101 manual mode 117 setpoint 101 163 setup and tuning 114 114 PID 18 102 114 PID control 107 PID Systems 200 PID Tuning 145 product ID 139 PROGRAM 47 protocol 127 R Radio ...

Страница 217: ...1 169 186 material 68 94 173 value 190 Text Messages 146 To access parameter directly 49 To change a parameter value 50 To select a parameter 49 totalization 103 totalizer 103 104 182 functions 103 internal 180 master 103 totalizer 103 104 182 totalizer 103 104 182 troubleshooting 193 W web site 133 Weight 20 wiring 9 pin to RJ 11 42 44 guidelines 126 Writing Parameters 139 Z zero 18 calibration 6...

Страница 218: ...Index BW500 and BW500 L 216 Operating Instructions 12 2016 A5E33482052 AD ...

Страница 219: ......

Страница 220: ... K9J 7B1 Subject to change without prior notice For more information www siemens com processautomation www siemens com level www siemens com weighing Siemens Canada Limited 1954 Technology Drive P O Box 4225 Siemens AG 2016 A5E33482052 Rev AD ...

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