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Siemens SITRANS WW100, Руководство по эксплуатации

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Calibrating

5

After the weighfeeder has been properly installed, calibration of the weighing system must be 

done in conjunction with the integrator. Refer to the integrator instruction manual for 

programming and calibration. 
A test sheet has been provided with the weighfeeder detailing the entries used during factory 

calibration.
The calibration is initially done using the supplied test chain. (For models with skirtboard 

covers, the cover will need to be removed for test chain calibration. The shear gate may also 

need to be raised to apply the calibration chains to the belt.) Material tests are recommended 

to achieve maximum accuracy.

5.1

Test load

The test load value for the weighfeeder is based on the number of chain strands. The exact 

weight of the test strand is stamped on it. 

5.2

Zero

Perform the zero calibration as described in the Calibration section of the integrator manual.

Note
This calibration should be at least three belt revolutions or five minutes, whichever is longer.

5.3

Span

The test load used in the calibration procedure is the test chain provided that mounts to the 

conveyor leg with two mount screws.
Perform the span calibration as described in the Calibration section of the integrator instruction 

manual. 

Note
This calibration should be at least three belt revolutions or five minutes, whichever is longer.

SITRANS WW100

Operating Instructions, 06/2018, A5E33560618-AC

23

Содержание SITRANS WW100

Страница 1: ...ating Instructions 7MH7180 SITRANS WW100 06 2018 A5E33560618 AC Introduction 1 Safety information 2 Description 3 Installing 4 Calibrating 5 Connecting 6 Commissioning 7 Maintenance 8 Troubleshooting 9 Technical data 10 Dimension drawings 11 ...

Страница 2: ...se 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 WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation If products and components from other manufacturers are used these ...

Страница 3: ... 2 1 3 P0003 Expert mode 16 4 2 1 4 Parameters 17 4 2 1 5 Additional notes and important information 19 5 Calibrating 23 5 1 Test load 23 5 2 Zero 23 5 3 Span 23 6 Connecting 25 7 Commissioning 27 7 1 Shear gate 27 7 2 Skirtboards 27 7 3 Changing the conveyer belt 28 7 4 Belt tension 29 7 5 Belt tracking 29 7 6 Telescoper adjustment 30 7 7 Weigh deck alignment 31 7 8 Quick startup overview 32 7 9 ...

Страница 4: ...ar reducer 37 8 4 3 Electrical 37 8 4 4 Lubrication 37 8 4 5 Belt care 37 9 Troubleshooting 39 9 1 Mechanical troubleshooting 39 9 1 1 Zero Drift non repeatability or non linearity 39 10 Technical data 41 10 1 Specifications 41 11 Dimension drawings 43 11 1 Open unit 43 11 2 Open horseshoe 43 11 3 Open dust hood 44 11 4 Enclosed unit 44 Index 45 Table of contents SITRANS WW100 4 Operating Instruct...

Страница 5: ... control unit All instruction manuals pertaining to the drive components can be found in the companion manual appendix on the documentation CD Follow these operating instructions for quick trouble free installation and maximum accuracy and reliability of your device We always welcome suggestions and comments about manual content design and accessibility Please direct your comments to Technical pub...

Страница 6: ...Introduction 1 1 The manual SITRANS WW100 6 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 7: ...weighfeeder especially in wet environments and when adjacent to conductive steel mounting framework Note A weighfeeder can be dangerous Pinch points exist along the conveyor belt line Secure the weighfeeder when replacing the belt working on or around the load cell s working on or around the speed sensor working on or around the drive components working on or around the motor placing or removing t...

Страница 8: ...Safety information 2 1 Safety and general precautions SITRANS WW100 8 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 9: ...f the product load to load cells The resulting voltage signal corresponding to weight is transmitted to the integrator and becomes one of the two inputs required for integration Unlike static weighing in motion weighing integration requires a second input a pulse signal proportional to the speed of the conveyor belt Each belt speed sensor pulse represents a fixed distance of belt travel Since the ...

Страница 10: ...Enclosed unit Open unit Description 3 2 WW100 Operation SITRANS WW100 10 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 11: ...g to the integrator Do NOT remove the tagged load cell shipping bolt s until the installation is complete to prevent load cell damage Do NOT weld on or near the weighfeeder while the load cell is connected to the electronic integrator Damage to the integrator may result if the load cell is not disconnected from the integrator Follow a scheduled preventative maintenance program to ensure optimum pe...

Страница 12: ...be provided at the discharge end of enclosed units If no de dust system is required this port should be closed 7 Connect the proper electric supply to the motor and or motor controller The AC or DC motor controller if present must be grounded to minimize noise to the electronic integrator Refer to the applicable wiring diagram to make all electrical connections between the electronic integrator an...

Страница 13: ...the Non Volatile MEMORY your application software on the MICRO MEMORY CARD will be overwritten and LOST Important Command and Drive Data Set Notes The following acronyms are referenced through the documentation required for the startup of your Sinamics S120 Drive and WW100 Weighfeeder Acronym Full term Definition CDS Command Data Set Any parameters that may be changed or viewed and are associated ...

Страница 14: ...r source on then turn the 24 VDC supply on 1 Apply the main power to the Power module The drive will perform its boot sequence and the RDY LED should be a steady green when completed If any errors display during the initial power up refer to Faults and Alarms Page 21 2 Remove all power sources from the Power module and Control module Main AC and 24 V DC Ensure device powers down completely Loading...

Страница 15: ...egister a F01650 fault This indicates that the drive is requesting an acknowledgement that the Emergency Stop Safety circuitry has been checked and is working This fault can be acknowledged by pressing the key 5 Once the fault has been cleared the display will indicate a 0 0 value in the parameter value field this is the actual RPM display of the motor 6 Once all necessary equipment has been conne...

Страница 16: ...e when in that specific display mode The following diagram illustrates how to switch from one unit to another using the BOP Keypad 1 While holding the key press one of the arrow keys or This will allow you to change from Unit 01 to 02 as indicated by the flashing display 2 Scroll to the appropriate selection using the arrow keys 3 Once you have chosen the appropriate unit press the key to acknowle...

Страница 17: ...he Design Speed this will aid in setting the Maximum RPM P2000 Calculating P2000 Design Speed P14 refers to Parameter 14 of the Siemens integrator BW500 Please see the Technical Report supplied with the weighfeeder Imperial P2000 Design Speed P14 BW500 k Factor 47 28702 Metric P2000 Design Speed P14 BW500 k Factor 9308 468 Here are a few examples with both metric and imperial application data Desi...

Страница 18: ...be reversible Therefore parameter P1113 can be set to accommodate a forward or reverse operation However one must note that the BOP display for RPM may reflect a negative 0 00 value This is not a concern to the operator or maintenance staff for regular operation of the drive If the weighfeeder is set up and you realize the belt is traveling in the reverse direction proceed as follows 1 Set S120 di...

Страница 19: ...within the Control Unit 5 Use or arrows to set the value to 1 The display will begin to flash indicating that the save function is active The Data Set currently active in the RAM will be saved to the ROM Non Volatile Memory as well as the MMC card Note This type of saving will overwrite any existing Data Set with the index of 0 on the Micro Memory Card You should only have a Data Set with an index...

Страница 20: ...ding on the setup of the application maximum speed vs maximum loading this will accommodate material shortages in a shearing application and allow for infrequent increases in speed to maintain a programmed Rate or Load Emergency Stop Wiring Overview As detailed in the electrical schematics the Emergency Stop circuit is a critical component of the drive and its operating state The Sinamics S110 Dri...

Страница 21: ...n causing the fault has been cleared Once the condition has been cleared the fault must be acknowledged System Alarms alarms that will not affect the functioning of the Drive but only be displayed These will continue to be displayed until the condition clears Once the condition is cleared the alarm will clear from the display Installing 4 2 Electrical installation for servo driven models SITRANS W...

Страница 22: ...Installing 4 2 Electrical installation for servo driven models SITRANS WW100 22 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 23: ...ecommended to achieve maximum accuracy 5 1 Test load The test load value for the weighfeeder is based on the number of chain strands The exact weight of the test strand is stamped on it 5 2 Zero Perform the zero calibration as described in the Calibration section of the integrator manual Note This calibration should be at least three belt revolutions or five minutes whichever is longer 5 3 Span Th...

Страница 24: ...illustration below for calibration chain placement After the span calibration has been completed remove the test chain and store it Calibrating 5 3 Span SITRANS WW100 24 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 25: ...lines When sense lines SEN and SEN are included with a load cell they must be terminated with EXC to to or cut and covered but not wrapped together as this will short the cell Note Standard wiring shown consult wiring diagrams for optional electrical connections On hazardous rated versions the termination box may appear different than shown SITRANS WW100 Operating Instructions 06 2018 A5E33560618 ...

Страница 26: ...Connecting SITRANS WW100 26 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 27: ... shear gate on the inlet of the weighfeeder needs to be set to allow the maximum feed rate capacity required Consult your Siemens representative if feed rate changes are required 7 2 Skirtboards The skirtboards have been factory set to proper specifications Note that near the inlet the skirtboards are very close to the belt However toward the discharge end of the weighfeeder the skirtboards are 3 ...

Страница 28: ...move and re install the belt 1 On enclosed models open and remove the access and non access side panels 2 Mark the current position of the telescoper for reference This will be a reference when you re install the belt Loosen the telescopers to remove tension from the belt 3 Rotate the belt tension roller up against the back of the infeed and support it during belt change This tensioner may need to...

Страница 29: ...hould rotate when it is installed If there is no arrow rotation of the belt may be in either direction Whenever a new belt is installed perform the belt tracking procedure see Belt tracking Page 29 New belts should be un rolled and allowed to relieve any kinks or bends this will help tracking and weighing accuracy 7 4 Belt tension The ideal belt tension for any weighfeeder is just enough tension t...

Страница 30: ... in the desired direction Often only a small amount of adjustment 1 turn or less will be required 4 Observe the results of the adjustment and then readjust if necessary Steps 2 and 3 may need to be repeated to obtain perfect belt tracking Note As you extend or compress the telescoper you may be changing the belt tension If belt tension has increased or decreased considerably while attempting to tr...

Страница 31: ...ed in the weighing area causing calibration and measurement errors Verify that the weigh deck is aligned properly Use a spirit level to level the load cells 1 2 3 Belt direction Load cell base locking screws Alignment string wire Run string to ensure alignment is 1 32 0 8 mm to 0 0 mm aligned with approach and retreat slider beds Commissioning 7 7 Weigh deck alignment SITRANS WW100 Operating Instr...

Страница 32: ...9 1 Removing old load cell 1 Confirm the new replacement load cell is correct and functional Using a digital volt meter or ohm meter verify that the resistance of the new load cell matches the resistance printed on the specification sheet that comes with the load cell If the resistances do not match the load cell may be damaged Consult your Siemens representative 2 Disconnect the load cell being r...

Страница 33: ...l should now be resting against the overload bolt 3 Install the two top front load cell mounting bolts Tighten them by hand 4 Start with the bottom load cell mounting bolts and tighten them to the torque value indicated in the load cell instructions Now tighten the two top front load cell mounting bolts to the same torque value 5 Remove the shipping bolt 6 Route the load cell cable to the junction...

Страница 34: ...nit using the integrator manual for reference Record span calibration procedure results 4 Re check zero calibration Run another zero calibration and record the results Verify that the zero repeated to the same value recorded in step 2 5 Confirm calibration with material test as described in the integrator manual if possible before placing the weighfeeder back in operation Commissioning 7 9 Load ce...

Страница 35: ...rial build ing up on load cell area Weekly More frequently in dirty environ ments Belt Tracking Visually inspect to assure that con veyer belt remains trained Daily Integrator controller Span check Monthly Use calibration chain Calibration span check Verify belt zero Daily at least once week See Calibration section of Inte grator manual Bearings Inspect and lubricate as required Every 10 000 hours...

Страница 36: ...reasing while less harsh applications may need greasing only once or twice a year Do not exceed 10 000 hours of operation between re greasing If there is a gear reducer supplied with your weighfeeder it has an initial break in period After the first 250 hours of operation the gear box es should be drained and refilled to the proper level s Subsequent oil changes should be done every 2500 hours See...

Страница 37: ...ent oxidation place a desiccant or moisture removal material in all electrical junction boxes and component cabinets This includes the load cell junction box the integrator cabinet and the motor speed controller enclosure if present 8 4 4 Lubrication Grease all greasable points 8 4 5 Belt care Reduce belt tension to a minimum to prevent belt damage and re adjust belt tension at re installation Not...

Страница 38: ...Maintenance 8 4 Weighfeeder storage recommendations SITRANS WW100 38 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 39: ...ons weigh deck alignment Verify weigh deck alignment is as accurate as possible Improper alignment is the most common mechanical problem affecting scale accuracy Contact your Siemens representative if you find a problem here Note Alignment should be 1 32 0 8 mm to 0 0 mm aligned with approach and retreat slider beds material buildup on weigh section or pulleys or between the weigh deck and weighfe...

Страница 40: ...Troubleshooting 9 1 Mechanical troubleshooting SITRANS WW100 40 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 41: ...Max tightening torque of the load cell mounting bolts see load cell instruction manual or data sheet for this information Speed sensor Optical encoder driven pulley mounted Framework Precision machined stainless or mild steel Cantilevered design for easy belt replacement Pulleys 102 mm 4 diameter with 6 mm 1 4 neoprene lagging for maximum traction Belting Polyester carcass with polyurethane top co...

Страница 42: ...44 Food grade gearmotor helical worm geared motor AC Efficiency class IE3 IEC or UL R CSA IP66 including PTC corrosion resistant Aluminum housing sealed surface complies with FDA Shipping weight Open 91 kg 200 lbs Enclosed 181 kg 400 lbs maximum Approvals Declaration of incorporation of partly completed machinery acc directive 2006 42 EC Meets FDA requirements for food processing Technical data 10...

Страница 43: ...mm 17 7 838 mm 33 317 5 mm 12 5 917 5 mm 36 1 1 056 5 mm 41 6 Inlet Discharge 11 2 Open horseshoe Inlet Discharge 172 mm 6 8 838 mm 33 416 6 mm 16 406 mm 16 917 5 mm 36 1 1 056 5 mm 41 6 368 mm 14 5 216 mm 8 5 317 5 mm 12 5 SITRANS WW100 Operating Instructions 06 2018 A5E33560618 AC 43 ...

Страница 44: ...3 11 4 Enclosed unit Inlet Discharge 406 4 mm 16 86 5 mm 3 4 108 8 mm 4 3 1 225 6 mm 48 3 368 3 mm 14 5 610 mm 24 710 mm 28 838 mm 33 387 mm 15 25 127 mm 5 482 mm 19 Dimension drawings 11 4 Enclosed unit SITRANS WW100 44 Operating Instructions 06 2018 A5E33560618 AC ...

Страница 45: ... 37 F Feed rate 27 Framework 41 G Gear motor 36 storage 37 Gear reducer 36 storage 37 General maintenance 36 Grounding 11 I Inlet 27 In motion weighing 9 Installation 11 Integrator 9 23 32 L Load cell 9 Load cell care 36 Load cells 9 41 Lubrication 36 storage 37 M Material temperature 41 Materials 41 O Operating range 41 Operating temperature 41 P Preventative maintenance 35 Preventative maintenan...

Страница 46: ...bration 23 Specifications 42 Speed sensor 9 41 Startup 27 Static weighing 9 Storing a weighfeeder 36 T Temperature material 41 Tensioner roller 36 Test chain 23 Test load 23 U Units 9 V Variable frequency drive 9 W Weigh bridge 9 Weighfeeders How they work 9 Z Zero calibration 23 Index SITRANS WW100 46 Operating Instructions 06 2018 A5E33560618 AC ...

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