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3 Product description

WEIGHTRAC 31 • 4 … 20 mA/HART - four-wire

42374-EN-131119

•

Modification status, electronics as of -01

The instrument is available in different electronics versions. Each ver-

sion can be identified via the product code on the type label:

•

Standard electronics type PT30E-XX

The scope of delivery encompasses:

•

Radiation-based sensor

•

Measuring frame (optional)

•

Mounting accessories

•

Documentation

– this operating instructions manual

– Operating instructions manual "

Display and adjustment mod-

ule

" (optional)

– Ex-specific "

Safety instructions

" (with Ex versions)

– if necessary, further certificates

Fig. 2: WEIGHTRAC 31
1 Source container (e.g. SHLD-1)

2 WEIGHTRAC 31

3 Support stand

4 Crossbeam

5 Clamp collars

Note:

The appropriate source container (e.g. SHLD-1) must be ordered

separately.

Electronics versions

Scope of delivery

Содержание WEIGHTRAC 31

Страница 1: ...Operating Instructions Radiation based sensor for mass flow detection WEIGHTRAC 31 4 20 mA HART four wire Document ID 42374 ...

Страница 2: ...uctions 13 5 Connecting to power supply 5 1 Preparing the connection 23 5 2 Connection Mass flow detection 26 5 3 Connection Summation 28 5 4 Connection Tachometer 30 6 Adjustment with the display and adjustment module 6 1 Insert display and adjustment module 33 6 2 Adjustment system 34 6 3 Display and adjustment module Indication of system parameters 34 6 4 Saving the parameter adjustment data 37...

Страница 3: ...Technical data 64 10 2 Dimensions 69 Safety instructions for Ex areas Please note the Ex specific safety information for installation and op eration in Ex areas These safety instructions are part of the operating instructions manual and come with the Ex approved instruments Editing status 2013 11 11 ...

Страница 4: ... personnel and put into practice by them 1 3 Symbolism used Information tip note This symbol indicates helpful additional information Caution If this warning is ignored faults or malfunctions can result Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this warning is ignored serious injury to persons and or destruction of the instrum...

Страница 5: ...e of the art instrument complying with all prevailing regulations and guidelines The instrument must only be operated in a technically flawless and reliable condition The operator is responsible for the trouble free operation of the instrument During the entire duration of use the user is obliged to determine the compliance of the necessary occupational safety measures with the current valid rules...

Страница 6: ...ss industry in Germany The published NAMUR recommendations are accepted as the standard in field instrumentation The device fulfills the requirements of the following NAMUR recom mendations NE 21 Electromagnetic compatibility of equipment NE 43 Signal level for malfunction information from measuring transducers NE 53 Compatibility of field devices and display adjustment components NE 107 Self moni...

Страница 7: ...he following data on our homepage Product code of the instrument HTML Delivery date HTML Order specific instrument features HTML Operating instructions at the time of shipment PDF Order specific sensor data for an electronics exchange XML Test certificate pressure transmitters PDF Go to www vega com VEGA Tools and Serial number search As an alternative you can find the data via your Smartphone Dow...

Страница 8: ...passes Radiation based sensor Measuring frame optional Mounting accessories Documentation this operating instructions manual Operating instructions manual Display and adjustment mod ule optional Ex specific Safety instructions with Ex versions if necessary further certificates 1 3 5 5 4 3 2 Fig 2 WEIGHTRAC 31 1 Source container e g SHLD 1 2 WEIGHTRAC 31 3 Support stand 4 Crossbeam 5 Clamp collars ...

Страница 9: ...port is assured by a test based on ISO 4180 The packaging of standard instruments consists of environment friendly recyclable cardboard For special versions PE foam or PE foil is also used Dispose of the packaging material via specialised recycling companies Transport must be carried out in due consideration of the notes on the transport packaging Nonobservance of these instructions can cause dama...

Страница 10: ...operating instructions VE GADIS 62 Document ID 36469 The electronics module PT30E XX is a replacement part for radiation based sensors WEIGHTRAC 31 The electronics module can only be exchanged by VEGA service technician If you have ordered WEIGHTRAC 31 without a measuring frame a basic mounting set is enclosed with the instrument It includes every thing needed to fasten the measuring tube reliably...

Страница 11: ...density e g lead iron concrete etc provide effective shielding Time Stay as short a time as possible in radiation exposed areas Distance Your distance to the source should be as large as possi ble The local dose rate of the radiation decreases in proportion to the inverse square of the distance to the radiation source The plant operator must appoint a radiation safety officer with the necessary ex...

Страница 12: ...es Installations on cooled or heated vessels Make sure that all parts of the instrument exposed to the process are suitable for the existing process conditions These are mainly Active measuring component Process fitting Process seal Process conditions are particularly Process pressure Process temperature Chemical properties of the medium Abrasion and mechanical influences You can find the specific...

Страница 13: ...ing frame from both sides Direct the exit angle of the source container to the WEIGHTRAC 31 Mount the source container at the specified distance to the conveyor belt Secure the area with a safety fence and protective grating so that no one can reach into the dangerous area You can find information on protective barriers and the mounting of the source container in the operating instructions manual ...

Страница 14: ...4 Position the measuring width of the sensor below the conveyor belt as close as possible to the center Make sure that there is sufficient distance between sensor and conveyor belt when the belt is loaded 4 Place the other two clamp collars 4 according to the illustration above the clamp collars that are already in place 4 5 Place a metallic cover plate 3 according to the illustration on each uppe...

Страница 15: ... mounting the WEIGHTRAC 31 on a chain conveyor the instal lation angle is very important for optimal irradiation Follow the instructions in the Source Sizing document Mounting of the measuring frame optional The measuring frame with mounting accessories can be selected as an option If you have ordered WEIGHTRAC 31 with measuring frame then proceed as follows Mounting Crossbeam Before fastening the...

Страница 16: ... lock washer 2 through the clamping claws 4 4 Place a wedge lock washer 2 from below on each screw 1 and screw one nut 5 onto each screw 5 Align the crossbeam 3 with the upper holding fixtures of the support stands 6 and tighten the nuts 5 evenly with 45 Nm 33 2 lb ft Mounting Support stand 1 Place the premounted measuring frame above the conveyor belt and determine a suitable position for mountin...

Страница 17: ...h holes in the support stands 6 in each are suitable for screws of size M10 The screws 14 and the washers 15 for fastening on the con veyor belt are not included in the scope of delivery 120 mm 4 72 15 mm 0 59 150 mm 5 91 15 mm 0 59 270 mm 10 63 300 mm 11 81 ø 12 mm 0 47 Fig 6 Drilling plan for support stands 3 Use suitable washers 15 for mounting the support stands 6 ...

Страница 18: ... 7 Mounting the support stands 14 Screw M10 24 pcs provided by the customer 15 Washer M10 24 pcs provided by the customer 4 Tighten the screws 14 evenly with 45 Nm 33 2 lb ft Mounting Sensor 1 Place two of the clamp collars 11 on the fastening brackets of the support stands 6 ...

Страница 19: ... measuring frame beneath the conveyor belt and place the sensor in the two clamp collars 11 Position the measuring width of the sensor below the conveyor belt as close as possible to the center Make sure that there is sufficient distance between sensor and conveyor belt when the belt is loaded 3 Place the other two clamp collars 11 according to the illustration above the clamp collars that are alr...

Страница 20: ...Nordlock 8 pcs 5 Nut M10 4 pcs 7 Source container SHLD 1 1 Place the closed and locked source container 7 from above onto the measuring frame The source container is very heavy Therefore use a suitable lifting device For this purpose the source container is equipped with a suitable eye bolt for a lifting hook etc 2 Align the source container 7 with the holes Make sure that the source container is ...

Страница 21: ... the measuring frame Make sure that the measuring frame is perfectly vertical after strain ing 1 Fig 10 Straining the measuring frame 1 Straining screw If the max ambient temperature is exceeded you must take suitable measures to protect the instrument against overheating You can protect the instrument by providing a suitable insulation against the heat or mounting the instrument further away from...

Страница 22: ...ing WEIGHTRAC 31 4 20 mA HART four wire 42374 EN 131119 The water cooling must also be included in the calculations for the measuring point Contact our specialists regarding the dimensioning of the water cooling ...

Страница 23: ...ensures the seal effect of the cable entry If cable with a different diameter or wire cross section is used exchange the seal or use an appropriate cable connection Unused cable entry glands do not provide sufficient protection against mois ture and must be replaced with blind plugs Replace all unused cable entries with suitable blind plugs The thin foam rubber washers in the cable glands only ser...

Страница 24: ... must not be connected to potential equalization Information The metal parts of the instrument are conductively connected with the inner and outer ground terminal on the housing This connection is either a direct metallic connection or in case of instruments with external electronics a connection via the screen of the special con nection cable You can find specifications on the potential connectio...

Страница 25: ... case of flexible cores without end sleeves press the rectangular lock opening with a small screwdriver the terminal opening is freed When the screwdriver is released the terminal opening closes again 7 Check the hold of the wires in the terminals by lightly pulling on them To loosen a line insert a small slotted screwdriver firmly into the rectangular lock opening according to the illustration 8 ...

Страница 26: ...ut 1 1 2 4 L N PE 5 6 9 10 11 22 11 12 21 22 19 20 18 17 14 13 16 15 12 2 7 3 1 4 5 6 8 9 10 Fig 12 Electronics and terminal compartment with non Ex instruments and instruments with non intrinsically safe current output 1 Voltage supply 2 Relay output 3 Signal output 4 20 mA HART active 4 Signal output 4 20 mA HART passive 5 Signal input 4 20 mA 6 Switching input for NPN transistor 7 Switching inp...

Страница 27: ...ons are part of the scope of delivery and come with the Ex approved instruments 1 1 2 4 L N PE 5 6 22 11 12 21 22 19 20 18 17 14 13 16 15 12 2 5 1 3 4 6 7 8 Fig 14 Electronics and terminal compartment Ex d with instruments with intrinsically safe current output 1 Voltage supply 2 Relay output 3 Signal input 4 20 mA 4 Switching input for NPN transistor 5 Switching input floating 6 Transistor output...

Страница 28: ...er a longer measuring range The instrument acts as Master and all other instruments operate as Slaves The pulse rates of all instruments are summed in the Master instru ment and converted into a common signal The Master instrument must have the function Mass flow detection For this purpose select under the menu item Setup Application the function Mass flow detection Set the address setting MGC on ...

Страница 29: ...12 1 1 2 4 5 6 9 10 11 22 11 12 21 22 19 20 18 17 14 13 16 15 12 bus bus M S S bus bus bus bus M S S 1 Fig 16 Electronics and terminal compartment with cascading of several instru ments 1 Conveyor belt M Master instrument S Slave instrument Information For example a radial connection would be also possible as an alter native Take note of the polarity The selection of the two terminal pairs is indi...

Страница 30: ...nt Mass flow detection If you have entered a constant belt speed we recommend using a belt stop signal If the belt stops measurement is also halted for this period Without a belt stop signal WEIGHTRAC 31 would continue summing the delivery rate You can implement the belt stop signal with a switching relay or a signal from the plant control system PLC Connect a switching relay to terminals 14 and 1...

Страница 31: ...2 21 22 19 20 18 17 14 13 16 15 12 1 2 9 10 11 3 A Fig 17 Belt speed plant control system PLC or tachometer analogue A Output 1 Plant control system PLC 2 Tachometer analogue 3 Diode blocking voltage 50 V 3 Fig 18 Digital tachometer TACHO A1A4M Tachometer digital 3 Not required with output open collector ...

Страница 32: ... with max 24 V The following cable colors are valid if the tachometer is ordered with cable 2 1 16 15 A 1 1 2 4 5 6 22 11 12 21 22 19 20 18 17 14 13 16 15 12 9 10 11 Fig 19 Belt speed plant control system PLC or tachometer analogue A Tachometer digital 1 Voltage supply cable colour brown 2 Voltage supply cable colour white 15 Digital input cable colour green 16 Digital input cable colour yellow ...

Страница 33: ...n the electronics you can choose any one of four different posi tions each displaced by 90 3 Press the display and adjustment module onto the electronics and turn it to the right until it snaps in 4 Screw housing cover with inspection window tightly back on Removal is carried out in reverse order The display and adjustment module is powered by the sensor an ad ditional connection is not necessary ...

Страница 34: ...d via the four keys of the display and adjustment module The LC display indicates the individual menu items The functions of the individual keys are shown in the above illustration Ap prox 60 minutes after the last pressing of a key an automatic reset to measured value indication is triggered Any values not confirmed with OK will not be saved 6 3 Display and adjustment module Indication of system ...

Страница 35: ...ture or the percentage value Diagnostics In this menu item you can enquire the status of your sensor In normal operation the sensor displays the message OK In case of fault you will find the corresponding fault code here This parameter is described in the operating instructions manual Display and adjustment module The peak value function holds the max and min values during opera tion This paramete...

Страница 36: ...e input card of the control system You can simulate different values Pulse rate of the sensor Process value Current output Switching function of the relay Information The simulation is terminated automatically 60 minutes after the last key has been pressed Info In this menu you will find the following menu items Instrument name shows instrument name and serial number Instrument version shows hardw...

Страница 37: ...ibed in the operating instructions manual Display and adjustment module in the menu item Copy sensor data The data remain there permanently even if the sensor power supply fails The following data or settings for adjustment of the display and ad justment module are saved All data of the menu Setup and Display In the menu Additional adjustments the items Sensor specific units temperature unit and l...

Страница 38: ... 3 Sensor Information The interface adapter VEGACONNECT 3 is not suitable for connec tion to the sensor 1 5 2 4 3 O PE N TWIST USB LO C K Fig 23 Connecting the PC via HART to the signal cable 1 WEIGHTRAC 31 2 HART resistance 250 Ω optional depending on processing 3 Connection cable with 2 mm pins and terminals 4 Processing system PLC Voltage supply 5 Voltage supply Necessary components Via the int...

Страница 39: ...ailable in the online help of PACTware and the DTMs All device DTMs are available as a free of charge standard version and as a full version that must be purchased In the standard version all functions for complete setup are already included An assistant for simple project configuration simplifies the adjustment considerably Saving printing the project as well as import export functions are also p...

Страница 40: ... container You can find this information on the type label of the source container Through this selection the sensitivity of the sensor is adapted perfectly to the isotope The normal reduction of the emitter activity is hence considered through the radioactive decay The WEIGHTRAC 31 requires this information of the automatic decay compensation This ensures an interference free measurement over the...

Страница 41: ...ent works as a slave When you have selected this function you can activate the slave out puts via a selection field When you activate this field then the current output of WEIGHTRAC 31 functions When the output is activated the instrument remains in its function as a Slave but the 4 20 mA output can be also used als single instru ment The instrument provides the complete range of functions when th...

Страница 42: ...put frequency input Tachometers are designed mainly for digital input Here you have the possibility to process only one Belt stop signal In this case you have to enter a fixed belt speed Scaling min max If you have selected one of the inputs for the process speed you can determine here the min and max values for the input Specify mA for analogue input and Hz for digital input Unit Belt screw speed...

Страница 43: ...he external radiation The X ray alarm is only outputted for the period of increased external radiation Then the X ray alarm is automatically reset In this menu item you can determine the behaviour of the sensor when external radiation sources appear You can also select the switching threshold as needed in case of external radiation You can choose whether the sensor should output modulated current ...

Страница 44: ... item the natural background radiation can be faded out For this purpose the WEIGHTRAC 31 measures the natural back ground radiation and sets the pulse rate to zero In the future the pulse rate from this background radiation will be automatically deducted from the total pulse rate This means only the component of the pulse rate originating from the source will be displayed Caution For this setting...

Страница 45: ...e really originates from the source used Fig 29 Adjustment In this menu item you can enter the measuring range min and max process value of the sensor These settings influence the current output of the sensor Enter in the menu window Max process value the max level full for example in t h This corresponds to an output current of 20 mA Enter in the menu window Min process value the min level empty ...

Страница 46: ...an be between 1 and 1200 seconds Keep in mind that the reaction time will increase and the instrument will react to quick level changes with a delay Generally a time setting of approximately 60 seconds is sufficient to smooth the measured value indication With the setting Automatic the instrument itself calculates a suitable damping on the basis of the adjustment and the measured value changes Thi...

Страница 47: ...nt outputs In this menu item you can define the characteristics of the sensor and its behaviour in case of a fault In this menu item you can define the behaviour of the current output You can determine the current with min and max level separately Fig 32 Relay output Setup Current output step 8 Setup Relay step 9 ...

Страница 48: ...nics temperature Process value No reference value means that the relay output operates as fail safe relay Caution Independent of the selected reference value the relay will deenergize in case of failure Fig 33 Set up totalizer With this function you can activate the totalizer As a default setting the totalizer is deactivated You can set material quantity that causes a counting pulse to be outputte...

Страница 49: ...r the conveyor system The more often the conveyor belt circulates during the zero rate determination the more precise the zero rate determination will be Tip To check the zero rate determination taring you can carry out a test measurement after the adjustment with empty belt over a period of 5 to 10 minutes If no or only a negligible feed rate sums up during the measurement the zero rate determina...

Страница 50: ...ty of the material during the linearization cor responds to the original material measured later on Fig 35 Add adjustment points Due to the measuring principle there is no linear relationship between pulse rate and level Hence this adjustment i e linearisation must in any case be carried out For very precise measuring results you should carry out this adjust ment with different filling heights flo...

Страница 51: ... conveyor belt to maximum 100 1 Load the conveyor belt continuously with a known quantity of material Measure the material quantity with a belt weigher or weigh the material with a truck scale Make sure that the material used corresponds to the material that is measured later on 2 Start the conveyor belt 3 Click to Start measurement as soon as the first material passes by the measuring point 4 The...

Страница 52: ...asur ing plant Cut the foil to an appropriate length 1 Make sure that the source container is closed and locked operat ing position Off 2 Load the conveyor belt evenly with a known quantity of material for example 60 kg over a length of 1 m Make sure that the material type and loading height corresponds to the material that is measured later on 3 Move the stretch of material into the measuring fra...

Страница 53: ...ettings in the menu item Setup to the default values of the respective instrument Order specific settings remain but are not taken over into the current parameters The measured value memory as well as the event memory remain unaffected The following table shows the default values of the instrument The values apply for the application Mass flow The application must be selected first Depending on th...

Страница 54: ...guage Displayed value Pulse rate Display unit ct s Additional adjust ments Temperature unit C Linearisation curve Empty HART mode Standard Address 0 7 4 Saving the parameter adjustment data We recommend documenting or saving the parameter adjustment data via PACTware That way the data are available for multiple use or service purposes ...

Страница 55: ...ages are divided into the following categories Failure Function check Out of specification Maintenance requirement and explained by pictographs 4 1 2 3 Fig 36 Pictographs of the status messages 1 Failure red 2 Out of specification yellow 3 Function check orange 4 Maintenance blue Failure Due to a malfunction in the instrument a failure message is outputted This status message is always active It c...

Страница 56: ... wiring between the sensors Connect the sensors cor rectly and make them ready for operation F013 Sensor sig nals a fault Error on the current input No valid measured value Connected instruments without function Check current input Check connected instru ments Slaves F016 Adjustment data ex changed Values of the min and max adjustment exchanged Correct adjustment data F017 Adjustment span too smal...

Страница 57: ...ed value recording Restart instrument Exchanging the electronics F045 Error on the current output Error on the current output Check wiring of the current output Exchanging the electronics F052 Faulty config uration Invalid parameter adjust ment Carry out a reset F053 Adjustment data input not correct Adjustment of the input not correct Correct adjustment of the input F066 Faulty adjust ment Adjust...

Страница 58: ...n for X ray alarm In case of brief X ray radia tion Monitor switching out puts for this time manually F124 Alarm due to increased ra diation Radiation dose too high Determine reason for increased radiation F125 Ambient tem perature too high Ambient temperature on the housing outside the specification Cool the instrument or pro tect it with isolating material against radiation heat The following ta...

Страница 59: ...e for taking suitable meas ures to rectify faults The first measures are Evaluation of fault messages for example via the display and adjustment module Checking the output signal Treatment of measurement errors Further comprehensive diagnostics options are available with a PC with PACTware and the suitable DTM In many cases the reasons can be determined in this way and faults rectified Connect a m...

Страница 60: ...mination buildup on the conveyor belt Activate leak volume suppression Conveyor belt was changed belt connections Activate leak volume suppression Inaccurate meas ured values Changing product density Carry out linearization Depending on the reason for the fault and the measures taken the steps described in chapter Setup must be carried out again or must be checked for plausibility and completeness...

Страница 61: ...ECT PC with PACTware Current sensor software as file You can find the actual sensor software as well as detailed infor mation of the procedure under www vega com downloads and Software You can find information about the installation in the download file Caution Instruments with approvals can be bound to certain software ver sions Therefore make sure that the approval remains effective with a softw...

Страница 62: ...RT four wire 42374 EN 131119 Attach the completed form and if need be also a safety data sheet outside on the packaging Please contact the agency serving you to get the address for the return shipment You can find the agency on our home page www vega com ...

Страница 63: ...ng companies We use recyclable materials and have designed the parts to be easily separable Correct disposal avoids negative effects on humans and the environ ment and ensures recycling of useful raw materials Materials see chapter Technical data If you have no way to dispose of the old instrument properly please contact us concerning return and disposal WEEE directive 2002 96 EG This instrument i...

Страница 64: ... Polyamide Process fittings Ʋ Ʋ Fastening lugs ø 9 mm 0 35 in hole centre distance 119 mm 4 69 in Weight Ʋ Ʋ Aluminium housing with electronics 3 4 kg 7 5 lbs measurement tube Ʋ Ʋ Stainless steel housing with electron ics 8 36 kg 18 43 lbs measurement tube Ʋ Ʋ Measurement tube 7 1 kg m 4 77 lbs ft Ʋ Ʋ Measuring frame optional 29 66 kg 64 146 lbs Conveyor belt width see table 500 1600 mm 19 7 63 in...

Страница 65: ...ly A B C D E L 500 mm 19 68 in 880 mm 34 65 in 635 mm 25 in 500 mm 19 68 in 435 mm 17 13 in 610 mm 24 in 800 mm 31 5 in 1175 mm 46 26 in 948 mm 37 32 in 770 mm 30 32 in 705 mm 27 76 in 1000 mm 39 37 in 1000 mm 39 37 in 1370 mm 53 94 in 1143 mm 45 in 1000 mm 39 37 in 935 mm 36 81 in 1219 mm 48 in 1200 mm 47 24 in 1570 mm 61 81 in 1343 mm 52 87 in 1180 mm 46 46 in 1115 mm 43 9 in 1500 mm 59 06 in 16...

Страница 66: ...RT active 500 Ω Ʋ Ʋ 4 20 mA HART intrinsically safe 300 Ω Damping 63 of the input variable 1 1200 s adjustable HART output values Ʋ Ʋ PV Primary Value Mass flow Ʋ Ʋ SV Secondary Value Electronics temperature Ʋ Ʋ TV Third Value Mass coefficient e g in kg m FV Fourth Value Pulse rate Relay output Output Relay output SPDT floating spdt Switching voltage Ʋ Ʋ Min 10 mV Ʋ Ʋ Max 253 V AC 253 V DC Switchi...

Страница 67: ...nalogue digital conversion 15 µA Deviation on the current output due to strong high frequency electromagnetic interference acc to EN 61326 150 µA Characteristics and performance data Step response time4 5 s with damping 1 s Ambient conditions Ambient storage and transport tempera ture 40 60 C 40 140 F Process conditions For the process conditions please also note the specifications on the type lab...

Страница 68: ...24 16 Display and adjustment module Display element Display with backlight Measured value indication Ʋ Ʋ Number of digits 5 Ʋ Ʋ Size of digits W x H 7 x 13 mm Adjustment elements 4 keys Protection rating Ʋ Ʋ unassembled IP 20 Ʋ Ʋ mounted into the housing without cover IP 40 Materials Ʋ Ʋ Housing ABS Ʋ Ʋ Inspection window Polyester foil Integrated clock Date format Day Month Year Time format 12 h 2...

Страница 69: ...ion For that reason the associated approval documents of these instruments must be carefully noted They are part of the delivery or can be downloaded under www vega com and VEGA Tools as well as under Downloads and Approvals 10 2 Dimensions The following dimensional drawings represent only an extract of all possible versions Detailed dimensional drawings can be downloaded at www vega com downloads...

Страница 70: ...N 131119 Aluminium and stainless steel housing 242 5 mm 9 55 54 5 mm 2 15 9 mm 0 35 9 mm 0 35 175 mm 6 89 90 mm 3 54 100 mm 3 94 143 5 mm 5 65 169 mm 6 65 116 5 mm 4 59 119 mm 4 69 M20x1 5 NPT Fig 38 Aluminium housing or stainless steel housing Precision casting ...

Страница 71: ...71 10 Supplement WEIGHTRAC 31 4 20 mA HART four wire 42374 EN 131119 WEIGHTRAC 31 22 mm 0 87 36 mm 1 42 ø 76 2 mm 3 L 242 5 mm 9 55 Fig 39 WEIGHTRAC 31 L Measurement width ...

Страница 72: ...ring frame L Measuring width length of the detector Dimensions measuring frame optional A B C D E L 500 mm 19 68 in 880 mm 34 65 in 635 mm 25 in 500 mm 19 68 in 435 mm 17 13 in 610 mm 24 in 800 mm 31 5 in 1175 mm 46 26 in 948 mm 37 32 in 770 mm 30 32 in 705 mm 27 76 in 1000 mm 39 37 in 1000 mm 39 37 in 1370 mm 53 94 in 1143 mm 45 in 1000 mm 39 37 in 935 mm 36 81 in 1219 mm 48 in 1200 mm 47 24 in 1...

Страница 73: ...ur wire 42374 EN 131119 A B C D E L 2400 mm 94 49 in 2826 mm 111 26 in 2599 mm 102 32 in 2357 mm 92 8 in 2292 mm 90 24 in 2743 mm 107 99 in 2800 mm 110 24 in 3198 mm 125 91 in 2971 mm 116 97 in 2775 mm 109 25 in 2710 mm 106 69 in 3000 mm 118 11 in ...

Страница 74: ...duits VEGA sont globalement protégées par des droits de propriété intellec tuelle Pour plus d informations on pourra se référer au site www vega com VEGA lineas de productos están protegidas por los derechos en el campo de la propiedad indus trial Para mayor información revise la pagina web www vega com Линии продукции фирмы ВЕГА защищаются по всему миру правами на интеллектуальную собственность Д...

Страница 75: ...ciple 9 G Grounding 23 H Handling permit 11 Heat 21 I Input 42 Installation position 13 Instrument features 36 Instrument version 36 Isotope Co 60 40 Cs 137 40 L Language 35 Linearization 50 M Measuring frame 10 15 Mounting accessories 10 N NAMUR NE 107 Failure 56 Function check 58 Maintenance 59 Out of specification 58 P Peak value indicator 35 Potential equalisation 24 Process speed 44 Protectio...

Страница 76: ...76 INDEX WEIGHTRAC 31 4 20 mA HART four wire 42374 EN 131119 U Unit Belt speed 42 V Voltage supply 23 68 W Water cooling 21 X X ray alarm 43 ...

Страница 77: ...77 Notes WEIGHTRAC 31 4 20 mA HART four wire 42374 EN 131119 ...

Страница 78: ...78 Notes WEIGHTRAC 31 4 20 mA HART four wire 42374 EN 131119 ...

Страница 79: ...79 Notes WEIGHTRAC 31 4 20 mA HART four wire 42374 EN 131119 ...

Страница 80: ...e of delivery application practical use and operat ing conditions of the sensors and processing systems correspond to the information available at the time of printing Subject to change without prior notice VEGA Grieshaber KG Schiltach Germany 2013 Phone 49 7836 50 0 Fax 49 7836 50 201 E mail info de vega com www vega com ...

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