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Max. test voltage

Standard version U

= 32 V

Type

Input impedance

(red core, blue core)

Output impedance

(green core, gray core)

1300

Ω

±12

Ω

1200

Ω

±2

Ω

8.3.3

Checking the insulation impedance of the load cell

NOTICE

Possible destruction of load cell

Never apply test voltage between two cores of the load cell cable.
Insulate the load cell cores.

Max. test voltage

Standard version U

= 100 V

Insulation impedance

Core – housing

Core – screen

Screen – housing

>5000 M

Ω

>5000 M

Ω

>5000 M

Ω

8.3.4

Checking the insulation impedance of the connecting cable

Disconnect connecting cable from measuring instrument and load cells.

Insulate the cores of the connecting cable.

Insulation impedance

Core – core

Core – screen

>120 M

Ω

× km

>120 M

Ω

× km

Compact Compression Load Cell PR 6211

8 Troubleshooting

EN-18

Minebea Intec

Содержание PR 6211

Страница 1: ... Cell PR 6211 Installation Manual Translation of the Original Installation Manual 9499 053 34300 Edition 1 6 0 09 13 2019 Minebea Intec GmbH Meiendorfer Str 205 A 22145 Hamburg Germany Phone 49 40 67960 303 Fax 49 40 67960 383 ...

Страница 2: ...iied personnel In correspondence concerning this product the type name and release number serial number as well as all license numbers relating to the product have to be cited Note This document is partially protected by copyright It may not be changed or copied and it may not be used without purchasing or written permission from the copyright owner Minebea Intec The use of this product constitute...

Страница 3: ...t 6 3 2 Additional lift of protection 7 3 3 Overload protection 8 4 Speciications 9 4 1 Equipment supplied with the load cell 9 4 2 General information 9 4 3 Possible marking of the load cell for the Ex area 10 4 4 Dimensions 10 4 5 Ordering information 11 4 6 Technical data 11 5 Installation 13 5 1 Safety instructions 13 6 Connection 14 6 1 General information 14 6 2 Load cell 14 6 3 Cable connec...

Страница 4: ...edance of the connecting cable 18 9 Maintenance repairs cleaning 19 9 1 Maintenance 19 9 2 Repairs 19 9 3 Cleaning 19 10 Disposal 20 11 Spare parts and accessories 21 11 1 Replacement parts 21 11 2 Accessories 21 11 2 1 Mounting kits 21 11 2 2 Connecting cables 21 11 2 3 Cable junction boxes 22 12 Appendix 23 12 1 Certiicates safety instructions control drawing 23 Compact Compression Load Cell PR ...

Страница 5: ...when measures for preventing hazards are not followed DANGER Warning of personal injury DANGER indicates death or severe irreversible personal injury which will occur if the corresponding safety measures are not observed Take the corresponding safety precautions WARNING Warning of hazardous area and or personal injury WARNING indicates that death or severe irreversible injury may occur if appropri...

Страница 6: ...e environment may occur if appropriate safety measures are not observed Take the corresponding safety precautions Note User tips useful information and notes 1 6 Hotline Phone 49 40 67960 444 Fax 49 40 67960 474 eMail help minebea intec com Compact Compression Load Cell PR 6211 1 Introduction EN 4 Minebea Intec ...

Страница 7: ...g over or being shifted thus eliminating danger to people animals or goods even in the case of a break in a load cell or mounting element Installation and repair work must only be carried out by expert qualiied personnel The load cell relects the state of the art The manufacturer does not accept any liability for damage caused by third party system components or due to incorrect use of the product...

Страница 8: ...3 1 Load cell and constrainer arrangement Examples Key Do not constrain this position Constrainer Load application Possible direction of movement Compact Compression Load Cell PR 6211 3 Recommendations for installation EN 6 Minebea Intec ...

Страница 9: ...tractions may constrict the required space for movement of the object to be weighed and could thereby lead to signiicant falsiication of the measuring results Therefore special attention should be paid to the design arrangement and condition of the constrainers 3 2 Additional lift of protection For safety reasons a lift of protection has to be generally provided on vessels This can be constructed ...

Страница 10: ...falling loads mechanical limiting in load direction is required or an appropriate rubber damping mechanism must be provided elastomer support see Chapter 11 2 1 The load cells PR 6211 30 300 kg feature built in overload protection If the load cell is overloaded by more than 150 of the nominal load this causes a signiicant lattening of the characteristic curve The igure shows the typical characteri...

Страница 11: ...tion against en vironmental inluences Hermetically sealed by welding Filled with polyurethane Protection classes in compliance with EN 60529 IP68 Dust proof and leak tight against water with harmful efects when immersed 1 5 m water depth 10 000 h Ambient temperature in the Ex area see additional information safety instructions for Ex load cells Cable diameter 3 mm Cable length 3 m Cable gauge 4 0 ...

Страница 12: ...T85 C Dc MIN17ATEX005X all PR 6211 without E IS CL I II III DIV 1 GP A B C D E F G Entity 4012 101 5688 NI CL I II III DIV 2 GP A B C D E F G 4012 101 5688 NIFW T4A Ta 40 C to 70 C T5 Ta 40 C to 55 C FM17US0276 all PR 6211 without E IS CL I II III DIV 1 GP A B C D E F G Entity 4012 101 5688 NI CL I II III DIV 2 GP A B C D E F G 4012 101 5688 NIFW T4A Ta 40 C to 70 C T5 Ta 40 C to 55 C FM17CA0138 a...

Страница 13: ... kg Y 2500 Rated output relative output at maximum capacity Cn 2 mV V Tolerance on rated output permissible deviation from rated output Cn dc 0 25 Cn Zero output signal load cell output signal under unloaded con dition Smin 0 2 0 Cn Repeatability max change in load cell output for repea ted loading ɛR 0 01 Cn Creep max change of output signal at Emax du ring 30 minutes dcr 0 03 Cn Non linearity de...

Страница 14: ...e BTu 30 95 C Storage temperature range without electrical and mechanical stress BTi 40 95 C Permissible eccentri city permissible displacement from nominal load line Sex 3 0 mm Vibration resistance resistance against oscillations IEC 60068 2 6 Fc 20 g 100 h 10 150 Hz Barometric pressure inluence inluence of barometric pressure on output PKSmin 12 g kPa Nominal delection elastic deformation under ...

Страница 15: ...e Avoid shock stress falling down hard shocks The load cell must be installed vertically and centrally in the mounting kit Load forces must act in the measuring direction of the load cell The load disc must not be subjected to transverse forces The membrane on the underside of the load cell is thin and consequently sensitive The surface in the mounting plate supporting the load cell must be clean ...

Страница 16: ... load cell cables away from power cables The distance between measurement cables and power cables and or components under high voltage should be at least 1 m reference value We recommend laying the load cell cables in separate cable trays or armored steel pipes Power cables should be crossed at right angles while taking into account the minimum distance of 1 m reference value 6 2 Load cell Color C...

Страница 17: ...6 3 Cable connections Note All components are only shown schematically Color code bk black bu blue gn green gy gray rd red wh white 6 Connection Compact Compression Load Cell PR 6211 Minebea Intec EN 15 ...

Страница 18: ...reading typically better than 0 1 is generated before the scale is even loaded for the irst time 7 3 Mechanical height adaptation To distribute the load over the load cells as evenly as possible height adaptation is required in systems with more than 3 load cells prior to calibration Procedure 1 Place the dead load e g empty vessel onto the load cells of the scale structure 2 Energize the load cel...

Страница 19: ...and screw connections have secure contact Connecting cables Is the sheath damaged Has moisture intruded Mounting kit Is the lift of protection in contact with the scale Are the constrainers stuck Load cell Is the load cell parallel to the contact area Is the sheath of the load cell cable damaged Has moisture penetrated into the load cell cable 8 3 Metrological controls 8 3 1 Checking the zero outp...

Страница 20: ...the load cell cable Insulate the load cell cores Max test voltage Standard version UDC 100 V Insulation impedance Core housing Core screen Screen housing 5000 MΩ 5000 MΩ 5000 MΩ 8 3 4 Checking the insulation impedance of the connecting cable Disconnect connecting cable from measuring instrument and load cells Insulate the cores of the connecting cable Insulation impedance Core core Core screen 120...

Страница 21: ...l or mechanical defect nevertheless occur the load cell must be replaced Load cell repair is not possible 9 3 Cleaning Dirt on the load cell and movable parts of the scale must be cleaned as quickly as possible if it inluences weighing or if it is corrosive to the cell or cable material NOTICE Some cleaning agents may not be compatible with the load cell material When using cleaning agents ensure ...

Страница 22: ...orted municipal waste so that it can then be recycled Before disposing of or scrapping the product any batteries should be removed and taken to a suitable collection point Please see our T Cs for further information Service addresses for repairs are listed in the product information supplied with the product and on our website www minebea intec com We reserve the right not to accept products that ...

Страница 23: ...60 11202 3 PR 6012 00S mounting kit 9405 360 12002 4 Maxi FLEXLOCK PR 6012 20S 9405 360 12202 5 Elastomer support PR 6011 03 Max usable load 450 kg 9405 360 11031 6 Installation adapter PR 6011 09S for installation in PR 6012 01 02 3x 4x mounting kits 9405 360 11092 N steel zinc plated passivated and sealed RoHS compliant S stainless steel 11 2 2 Connecting cables To connect the junction box to th...

Страница 24: ...9405 361 30354 3 PR 6130 38S 1 4404 1 8 load cells IP68 IP69 veriiable 9405 361 30384 4 PR 6130 64Sa 1 4301 1 4 load cells IP68 IP69 veriiable ATEX IECEx FM 9405 361 30644 5 PR 6130 65S 1 4301 1 4 load cells IP68 IP69 veriiable ATEX IECEx FM 9405 361 30654 6 PR 6130 68S 1 4404 1 8 load cells IP68 IP69 veriiable ATEX IECEx FM 9405 361 30684 Compact Compression Load Cell PR 6211 11 Spare parts and a...

Страница 25: ...N17ATEX005X 2 Certiicate of Conformity FM FM17CA0138 FM17US0276 3 EU Declaration of Conformity MEU17057 4 Declaration of Conformity MDC17003 5 Test Certiicate PTB D09 96 40 6 Safety information for Ex load cells 9499 059 47901 7 Control drawing 4012 101 5688 12 Appendix Compact Compression Load Cell PR 6211 Minebea Intec EN 23 ...

Страница 26: ...Published by Minebea Intec GmbH Meiendorfer Strasse 205 A 22145 Hamburg Germany Phone 49 40 67960 303 Email info minebea intec com www minebea intec com ...

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