Minebea Intec Contego Installation Manual Download Page 37

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If shaft (8) or/and roller (7) cannot be moved, the weighing module is distorted and

must be adjusted:

9.1.3

Replacing the load cell

WARNING

The vessel may turn over during de-/mounting.

Securing the vessel against tipping is imperative.

Use an appropriate lifting jack.

NOTICE

Defects in the load cell may occur.

Do not lift or transport load cells by pulling the cable.

Note:
Load cell cable gland

When turning, the position of the gland remains unchanged. Only the inner clamping is

released.

14. Re-screw the stopper (5) together with the ilm on the lower plate (9). Make sure to

use the correct tightening torque, see Chapter

5.2

15. Release the screws (6).
16. Shift the stopper (5), until shaft (8) or/and roller (7) can move freely again.
17. Re-tighten the screws (6). Make sure to use the correct tightening torque, see

Chapter

5.2

18. Fit the bellow, press it irmly into the groove of the upper and lower plate

circumferentially, and make sure that the transitions are lush.

1. Release the load cell cable in the junction box, pull it out carefully and roll it up.

9 Servicing/repairs/cleaning

Hygienic Weighing Module Contego®

Minebea Intec

EN-35

Summary of Contents for Contego

Page 1: ...le Contego Installation Manual Translation of the Original Installation Manual 9499 053 24100 Edition 1 7 1 10 25 2019 Minebea Intec GmbH Meiendorfer Str 205 A 22145 Hamburg Germany Phone 49 40 67960 303 Fax 49 40 67960 383 ...

Page 2: ...liied 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 constitut...

Page 3: ...n with integrated jack up 9 3 4 1 General instructions 9 3 4 2 Jack up 10 3 4 3 Adjusting the built in lift of protection 11 4 Speciications 12 4 1 Equipment supplied with the weighing module 12 4 2 General information 12 4 3 Possible marking of the load cell for the Ex area 14 4 4 Dimensions of the PR 6041 60S weighing module 15 4 5 Ordering information 16 4 6 Technical data of the load cell 17 5...

Page 4: ...f the load cell 32 8 3 4 Checking the insulation impedance of the connecting cable 32 9 Servicing repairs cleaning 33 9 1 Care and maintenance 33 9 1 1 Maintenance 33 9 1 2 Replace the bellow 33 9 1 3 Replacing the load cell 35 9 2 Repairs 37 9 3 Cleaning 37 10 Disposal 38 11 Spare parts and accessories 39 11 1 Replacement parts 39 11 2 Accessories 39 11 2 1 Load discs 39 11 2 2 Connecting cables ...

Page 5: ...d 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 approp...

Page 6: ...the 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 Hygienic Weighing Module Contego 1 Introduction EN 4 Minebea Intec ...

Page 7: ...ded against the weighing installation turning over or being shifted thus eliminating danger to people animals or goods even in the case of breakage of a weighing module Installation and repair work must only be carried out by expert qualiied personnel The weighing module relects the state of the art The manufacturer does not accept any liability for damage caused by third party system components o...

Page 8: ... 1 Location of weighing modules Legend If necessary release or remove the stopper to avoid distortions Load application Possible direction of movement Hygienic Weighing Module Contego 3 Recommendations for installation EN 6 Minebea Intec ...

Page 9: ...d stopper see igure Parasitic and or horizontal forces and torques exceeding the permissible limits are disturbances which can generate measuring failures and in the worst case may damage the load cell 3 2 Foundation Upper plates are not connected with each other Domed feet non ixated Domed feet welded 3 Recommendations for installation Hygienic Weighing Module Contego Minebea Intec EN 7 ...

Page 10: ...ted with each other Domed feet non ixated 3 3 Mounting aid The auxiliary mounting plates 1 facilitate installation of the weighing module Hygienic Weighing Module Contego 3 Recommendations for installation EN 8 Minebea Intec ...

Page 11: ...er plate The hygienic weighing module Contego is equipped with an internal lift of protection i e no additional borings apart from the mounting holes in the vessel foot are required Moreover the vessel can be lifted by turning the threaded bolt 4 see Chapter 3 4 2 e g when replacing the load cell 3 Recommendations for installation Hygienic Weighing Module Contego Minebea Intec EN 9 ...

Page 12: ...bolt 4 until the load cell is unloaded and can be removed together with the upper load disc 4 Insert the load disc into the load cell 5 Insert the load cell into the mounting kit 6 Push the load cell cable through the cable gland and block it see Chapter 9 1 3 7 Load the load cell slowly and adjust the built in lift of protection as described in Chapter 3 4 3 Hygienic Weighing Module Contego 3 Rec...

Page 13: ...wly turn the threaded bolt 4 on the lift of protection at the hex downwards to the stop 3 Turn the threaded bolt 4 back 1 1 times to set the distance A approx 2 mm 4 Re tighten the nut 5 3 Recommendations for installation Hygienic Weighing Module Contego Minebea Intec EN 11 ...

Page 14: ...ing plates 2 The following are not shown 7 PR 6043 31S load disc kit 8 Sleeves 2 in a bag only for load cells PR 6241 12 52 9 Shims in a bag 10 Quick guide 11 Calibration Certiicate 4 2 General information Perm horizontal force 7 kN Permissible vertical load without load cell 1 5 t Perm lift of force 8 kN Perm force for jack up 15 kN max horizontal shift for load cells 5 mm Hygienic Weighing Modul...

Page 15: ...n classes Contego in compliance with EN 60529 IP68 IP69 Dust proof and leak tight against water with harmful efects when immersed 1 5 m water depth 10 000 h and water jets high pressure and temperature Explosion Gas Suitable for zone 1 and explosion subgroup IIA and IIB Explosion Dust Suitable for zone 21 and explosion subgroup III observing the following safety inst ructions The electrostatic cha...

Page 16: ...6241 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 6241 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 all PR 6241 without E NOTICE In...

Page 17: ...the PR 6041 60S weighing module Weighing module incl load cell As delivered state with auxiliary mounting plates Weighing position all dimensions in mm 4 Speciications Hygienic Weighing Module Contego Minebea Intec EN 15 ...

Page 18: ...Model Max capacity Emax Type Version Contego 100 kg 100 kg D1 A Contego 200 kg 200 kg D1 C3 A Ex A Contego 300 kg 300 kg D1 C3 A Contego 500 kg 500 kg D1 C3 A Ex A Contego 1 t 1 t D1 C3 A Ex A Contego 2 t 2 t D1 C3 A Version Description A Side cable output Ex Ex for installation in the explosion hazarded area Hygienic Weighing Module Contego 4 Speciications EN 16 Minebea Intec ...

Page 19: ...veriication minimum load cell scale interval vmin Emax Y Y 5000 14000 Minimum preload signal re currence recurrence of the minimum preload signal DR Emax Z Z 1000 3000 Rated output relative output at maximum capaci ty Cn 2 2 mV V Tolerance on rated output permissible deviation from rated output Cn dc 0 25 0 07 Cn Zero output signal load cell output signal under unloa ded condition Smin 0 1 0 0 1 0...

Page 20: ...permissible for continuous operati on without damage BTu 40 95 40 95 C Storage temperature range without electrical and mechanical stress BTi 40 95 40 95 C Permissible eccentricity permissible displacement from no minal load line SEx 5 5 mm Vibration resistance resistance against oscillations IEC 60068 2 6 Fc 20 g 100 h 10 150 Hz Barometric pressure inluen ce inluence of barometric pressure on out...

Page 21: ...s of the supporting sealing surface present between lower plate of weighing module and ground To ensure tightness we recommend using a PR 6041 80S adapter plate The joint between the ground 4 and adapter plate 3 must be sealed If no adapter plate PR 6041 80S is used see Chapter 11 2 4 the seal between the lower plate of the weighing module and ground 4 must be ensured using an O ring 2 5 Installat...

Page 22: ...vidual load cells If the weighing modules are arranged on diferent bases these must be at the same level The supporting surfaces of the pendulum bases 3 and the supporting surfaces of the vessel feet 1 must be arranged in parallel It is imperative to observe the maximum permissible inclination refer to igure Hygienic Weighing Module Contego 5 Installation EN 20 Minebea Intec ...

Page 23: ...er 4 4 for each vessel foot depending on the location of weighing modules see Chapter 3 1 Note The diameters of the vessel foot vessel leg and lower plate of the weighing module see Chapter 4 4 must be the same for easy cleaning of the weighing module 5 Installation Hygienic Weighing Module Contego Minebea Intec EN 21 ...

Page 24: ...Use an appropriate lifting jack NOTICE The bellow and the O rings are delicate mounting parts Do not use sharp edged tools NOTICE No leak tightness of the contact surfaces present The following contact surfaces must be clean and level to ensure reliable sealing between upper plate and vessel foot between lower plate adapter plate if any and foundation Note The weighing module is delivered preassem...

Page 25: ...el foot lug are provided 2 Insert the O ring 4 into the groove of the upper plate 3 and put the weighing module under the vessel foot 5 3 Slip the bellows not shown over the mounting kit and the vessel foot 5 carefully so that the mounting kit remains accessible for mounting 4 Fit the mounting kit to the vessel foot 5 Make sure to observe the tightening torque of the screws 2 and the property clas...

Page 26: ...ion Shown without upper plate and load cell 1 Position the vessel on the bottom 7 2 Mark the boreholes 8 and the seating 9 outline of the lower plate on the bottom 7 see igure Hygienic Weighing Module Contego 5 Installation EN 24 Minebea Intec ...

Page 27: ...tically with the required height H 6 When using PR 6041 80S adapter plates Place adapter plate 15 on the bottom 7 within the outline marking 9 7 When using PR 6041 80S adapter plates Mount the adapter plate using screws 15 Make sure to observe the tightening torque of the nuts 13 and the property classes of the nuts 13 and washers 14 see Chapter 5 2 5 Installation Hygienic Weighing Module Contego ...

Page 28: ... lift of protector see Chapter 3 4 2 12 Loosen the nut 19 of the lift of protection 13 Slowly turn the threaded bolt of the lift of protector 21 at the hex downwards to lower the vessel onto the load cell 14 Afterwards adjust the lift of protector refer to Chapter 3 4 3 15 Check whether shaft 11 or and roller 12 can move freely 16 Release the screws 18 17 Shift the stopper 20 until shaft 11 or and...

Page 29: ...d 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 Code ...

Page 30: ...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 Hygienic Weighing Module Contego 6 Connection EN 28 Minebea Intec ...

Page 31: ...pedance on the Calibration Certiicate is entered in the indicator under LC output impedance By performing these steps a logical and highly accurate 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...

Page 32: ...ert the socket 11 and lower load disc 10 including O ring 9 into the recess 12 of the lower plate 6 10 Insert the upper load disc 8 into the load cell 3 11 Place the load cell 3 onto the lower load disc 10 12 Slowly turn the threaded bolt of the lift of protector 4 downwards at the hex to lower the vessel onto the load cell Make sure that the upper load disc 8 slides into the recess of the upper p...

Page 33: ...s Is the sheath damaged Has moisture intruded Mounting kit Is the lift of protection in contact with the scale Is the stopper stuck Load cell Is the load cell parallel to the contact area Is the adjustment chamber cover damaged 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 output signal of the load ce...

Page 34: ...ate the load cell cores Max test voltage Standard version UDC 100 V Intrinsically safe version UAC 500 V Insulation impedance Core housing Core screen Screen housing 5000 MΩ 5000 MΩ 0 2 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 ...

Page 35: ...ow not shown and discard it according to the local regulations 2 Release and remove screws 6 3 Fold the stopper 5 onto the bottom plate and withdraw it sideways together with the ilm 4 Release and remove screws 1 5 Loosen the nut 4 and screw the threaded bolt 2 of the lift of protector at the hex into the threaded bush 4 6 Release and remove the threaded bush secured with Loctite with the complete...

Page 36: ...otector at the hex to lift the vessel Turn the threaded bolt until the load cell 11 is unloaded and can be removed together with the upper load disc 10 Pull the bellow not shown to the rear completely and revert the upper bead to the inside 11 Insert the load cell 11 12 Slowly turn the threaded bolt of the lift of protector 2 at the hex downwards to lower the vessel onto the load cell Make sure th...

Page 37: ...nner clamping is released 14 Re screw the stopper 5 together with the ilm on the lower plate 9 Make sure to use the correct tightening torque see Chapter 5 2 15 Release the screws 6 16 Shift the stopper 5 until shaft 8 or and roller 7 can move freely again 17 Re tighten the screws 6 Make sure to use the correct tightening torque see Chapter 5 2 18 Fit the bellow press it irmly into the groove of t...

Page 38: ... the load cell Socket with lower load disc including O ring remain in the lower plate 7 Insert the upper load disc into the new load cell 8 Insert the load cell 9 Slowly turn the threaded bolt of the lift of protector 3 downwards at the hex to lower the vessel onto the load cell Make sure that the upper load disc slides into the recess of the upper plate 10 Pull the load cell cable 1 through the b...

Page 39: ...can be spray washed with water see IP69 speciication The following must be observed Spray the water jet from top to bottom and around the weighing module Take particular care that the underside of the fold see ar row is also washed NOTICE Some cleaning agents may not be compatible with the weighing module material When using cleaning agents ensure that their compatibility with the weighing module ...

Page 40: ...unsorted 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 th...

Page 41: ...cting cables No Description Order no 1 PR 6135 9405 361 35 2 2 PR 6135 01A armored 9405 361 35019 3 PR 6136 for installation inside the explosion hazarded area 9405 361 36 1 4 PR 6136 01A armored for installation inside the explosion hazarded area 9405 361 36019 11 2 3 Cable junction boxes We recommend using the following junction boxes No Description Order no 1 PR 6130 04 aluminum 1 4 load cells ...

Page 42: ...P68 IP69 veriiable ATEX IECEx FM 9405 361 30644 7 PR 6130 65S 1 4301 1 4 load cells IP68 IP69 veriiable ATEX IECEx FM 9405 361 30654 8 PR 6130 68S 1 4404 1 8 load cells IP68 IP69 veriiable ATEX IECEx FM 9405 361 30684 11 2 4 PR 6041 80S adapter plate Order no 9405 360 41802 Hygienic Weighing Module Contego 11 Spare parts and accessories EN 40 Minebea Intec ...

Page 43: ...N 17 0025X 7 Manufacturer s Certiicate MIN16ATEX001X 8 Certiicate of Conformity FM FM17CA0138 FM17US0276 9 EU Declaration of Conformity MEU17034 10 Declaration of Conformity MDC17003 11 Certiicate of Conformity TR CU 020 RU Д DE A301 B 05345 12 Parts Certiicate DE 17 PC PTB005 13 OIML Certiicate of Conformity PTB R60 2000 DE1 17 15 14 Certiicate of Conformance NTEP 17 127 15 Certiicate of Approval...

Page 44: ...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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