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6 Maintenance/repairs/soldering work/cleaning

6.1 Maintenance

Maintenance work may only be carried out by a trained technician with expert knowledge

of the hazards involved and the required precautions.

6.2 Repairs

Repairs are subject to inspection and must be carried out at Minebea Intec.
In case of defect or malfunction, please contact your local Minebea Intec dealer or service

center for repair.
When returning the device for repair, please include a precise and complete description of

the problem.

6.3 Soldering work

Soldering work is permitted on the device for corner correction.

6.4 Cleaning

NOTICE

Property damage caused by unsuitable cleaning utensils/agents.

Damage to the device.

Prevent moisture from penetrating the interior.
Do not use aggressive cleaning agents (solvents or similar agents).
For use in the food industry, use a cleaning agent suitable for that particular working

environment.
Use soft sponges, brushes and cloths.

1. Unplug device from mains supply, disconnect any data cables.
2. Clean the device with a cloth lightly moistened with a soap solution.
3. Wipe down the device with a soft, dry cloth after cleaning.

6 Maintenance/repairs/soldering work/cleaning

Cable Junction Box MP 90/04

Minebea Intec

EN-19

Содержание MP 90/04

Страница 1: ...MP 90 04 Installation Manual Translation of the Original Installation Manual 9499 053 90400 Edition 3 3 0 05 10 2021 Minebea Intec GmbH Meiendorfer Str 205 A 22145 Hamburg Germany Phone 49 40 67960 303 Fax 49 40 67960 383 ...

Страница 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...

Страница 3: ...d 7 3 2 Technical Data 8 3 3 Electromagnetic Compatibility EMC 8 3 4 Dimensions 9 4 Installation and connection information 10 4 1 General information 10 4 2 Terminals and jumpers 10 4 3 Cable gland 11 4 4 Attaching the cable gland 12 4 5 Fitting the reduction sealing ring 4 seal insert 13 5 Cable connections 14 5 1 General information 14 5 2 Connecting cables 14 5 3 Cable connections 14 5 4 Equip...

Страница 4: ...6 4 Cleaning 19 7 Disposal 20 Cable Junction Box MP 90 04 Table of contents EN 2 Minebea Intec ...

Страница 5: ...lved 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 app...

Страница 6: ...or 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 Cable Junction Box MP 90 04 1 Introduction EN 4 Minebea Intec ...

Страница 7: ...he 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 The use of this product signiies recognition of the stipulations listed above The following table shows the load cells that should and should not be used for diferent applications Load cells to be used Load cells not to be used PR 6201 L N D1 ...

Страница 8: ...tional startup NOTICE Perform visual inspection Before operational startup as well as after storage or transport inspect the device visually for signs of mechanical damage 2 5 Repairs and maintenance 2 5 1 General information Repairs are subject to inspection and must be carried out at Minebea Intec In case of defect or malfunction please contact your local Minebea Intec dealer or service center f...

Страница 9: ...ner correction resistors 4 Pressure compensation element 5 Cable gland M20 6 Reduction sealing ring M20 for 8 mm 7 Locking pin 6 mm 3 8 4 seal insert M25 9 Cable gland M25 The following items are not shown 10 Drilling template 11 Quick guide 3 Speciications Cable Junction Box MP 90 04 Minebea Intec EN 7 ...

Страница 10: ...e 30 C 80 C Cable screw connections Plastic cable screw connections Polyamide PA6 V 2 Insulation impedance in service temperature range at 95 air humidity and UDC 500 V 1000 MΩ 3 3 Electromagnetic Compatibility EMC All data in compliance EN 61326 industrial section High frequency electromagnetic ields 80 3000 MHz EN 61000 4 3 10 V m Housing Electrostatic discharge ESD EN 61000 4 2 6 8 kV Fast tran...

Страница 11: ...3 4 Dimensions all dimensions in mm 3 Speciications Cable Junction Box MP 90 04 Minebea Intec EN 9 ...

Страница 12: ...inals and jumpers Terminal contacts 1 4 measuring voltage load cells Signal green Terminal contact IND measuring voltage connection cable Terminal contacts 1 4 measuring voltage load cells Signal gray Terminal contact IND measuring voltage connection cable Terminal contacts 1 4 supply voltage load cells Supply blue Terminal contact IND supply voltage connection cable Terminal contacts 1 4 sense lo...

Страница 13: ...Cable gland The cable glands each have one sealing ring The M20 cable gland can be itted with a reduction sealing ring if cables 8 mm are used see Chapter 4 5 The M25 cable gland must be itted with a four seal insert to be able to feed in up to four load cell cables The cable wires are connected to the terminals inside the device NOTICE Property damage is possible If a seal insert is not used it m...

Страница 14: ...observed M20 4 Nm M25 6 Nm 1 Remove the parts from the packaging 2 Screw the cable gland 2 into the cable junction box and tighten at the hex 3 Screw the cap nut 1 onto the cable gland and tighten slightly Cable Junction Box MP 90 04 4 Installation and connection information EN 12 Minebea Intec ...

Страница 15: ...eve 1 Unscrew the cap nuts 2 2 Remove the existing sealing ring from the metal sleeve 3 3 Insert the reduction sealing ring 1 in the M20 cable gland for cables 8 mm 4 Insert the 4 seal insert 4 in the M25 cable gland 5 Tighten the cap nuts 2 again 4 Installation and connection information Cable Junction Box MP 90 04 Minebea Intec EN 13 ...

Страница 16: ...cable with the equipotential bonding terminal of the downstream device see instrument manual as described in Chapters 5 3 and 5 4 Note If hum interference occurs the cable screens should only be connected on one side Depending on the design of the cable junction box used either the jumper J3 must be removed or the cable screens must be disconnected from the terminal contacts highlighted in yellow ...

Страница 17: ...Connection example 5 Cable connections Cable Junction Box MP 90 04 Minebea Intec EN 15 ...

Страница 18: ... supply is properly shielded against the efects of lightning Simply connecting the protective grounding conductor is not enough If the installation is not carried out according to our instructions this voids the warranty In particular the entire installation including the power supply must be suiciently protected against lightning Connection example Cable Junction Box MP 90 04 5 Cable connections ...

Страница 19: ... Loss of calibration accuracy An unstable signal can arise due to contact problems This results in luctuating zero points which lead to the loss of calibration accuracy Do not use a potentiometer Only use resistors of 0 5 62 Ω 1 P70 0 6 W of size MBB0207 approx 2 5 6 5 mm or CECC B 5 5 2 Procedure Electronic corner correction allows the sensitivity of each individual load cell to be reduced separa...

Страница 20: ...rt circuited for the resistances 1 Select the load cell with the lowest displayed load as the reference cell 2 In the junction box remove the jumper from the relevant measurement cable Signal and solder in a resistor according to the abovementioned formula in the example 4 38 Ω 3 After that recalibrate the scale Cable Junction Box MP 90 04 5 Cable connections EN 18 Minebea Intec ...

Страница 21: ...ering work Soldering work is permitted on the device for corner correction 6 4 Cleaning NOTICE Property damage caused by unsuitable cleaning utensils agents Damage to the device Prevent moisture from penetrating the interior Do not use aggressive cleaning agents solvents or similar agents For use in the food industry use a cleaning agent suitable for that particular working environment Use soft sp...

Страница 22: ...r 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 ...

Страница 23: ......

Страница 24: ...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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