Minebea Intec Midrics MIS1 Serie Instalación E Indicaciones De Seguridad página 13

16. All external cables (including cables between load/weigh cells and junction box) are suitable only for secure
13. Ensure that the area is not potentially explosive when commissioning the equipment for the first
and protected installation and must be installed so that they cannot work loose or be damaged. If this cannot
time.
be ensured, use cable glands, the round shape of which must have a radius of at least one quarter of the cable
14. Avoid generating static electricity. Only use a damp cloth to clean the equipment. The operator
diameter, but not more than 3mm, when measured across an angle of at least 75°.
assumes responsibility for preventing any risks caused by electrostatic charging.
17. If you plan to use other manufacturers' cables (the operator shall be liable concerning all cable connections), a
15. If cables are connected subsequently, make sure that the connections are not corroded.
suitability test must be performed. Tractive force of 10x the diameter of the cable (in mm) in N, but applied at
16. All external cables (even cables between load cells and junction box) are only suitable for fixed
least at 100N for a 6-hour period, may not cause the cable to be pulled out by more than 6 mm. Be sure that
installation and must be laid fixed. Otherwise, use cable glands designed according to EN 60079-0
the pin assignment is correct. Remove any connections not needed.
and rounded at an angle of 75° minimum and a radius at least equal to one-quarter of the diameter
of the cables, but without exceeding 3 mm.
18. All openings on the equipment housing must be closed by protective caps when not in use. Do not remove a
protective cap while the equipment is under current.
17. Cables from third-party manufacturers (subject to the operator s responsibility) must be tested for
suitability: A tensile force of 10 times the diameter of the cable (in mm) in N, at least 100 N for
19. To use non-Minebea Intec equipment in Zone 2, be sure they have the appropriate gas and temperature
6 hours should not stretch the cable by more than 6 mm. Follow the correct pin assignment. Pay
classes; for Zone 22, make sure they do not exceed the maximum surface temperature. The outputs must have
attention to the wiring diagram. Remove connections that are not required.
Ex nA electrical circuits.
18. Unused openings must be sealed using suitable cover caps (dummy plugs). Do not remove while
20. Chemicals and other agents that can corrode or otherwise damage attack the housing seals and cable sheaths
live.
must be kept away from the equipment. These agents include oil, grease, benzene, acetone and ozone. If you
19. When using external devices in zone 2 explosion-risk areas, observe the gas group and
are not sure about a certain substance, please contact the manufacturer.
temperature class; for zone 22 the maximum surface temperature must be observed. The outputs
must include the Ex nA electrical circuits.
21. At reasonable intervals, have your equipment installation checked for proper functioning and safety by a
trained and certified technician.
20. Chemicals that can attack housing gaskets and cable sheathings must be kept away from the
equipment. These include oil, grease, benzine, acetone, and ozone. If you are uncertain, contact
22. Do not expose the equipment to extreme shocks and vibrations.
the manufacturer.
23. If an in-use dust cover is utilized, ensure that no static electricity is generated. Use only a damp cloth
21. The installation must be checked for correct function and safety by a trained and qualified person at
to clean it.
appropriate intervals.
22. Ensure the equipment is not exposed to strong jolts or vibrations.
24. If your equipment needs to be repaired, use only original replacement parts supplied by the manufacturer.
23. When using a dust cover, avoid generating static electricity. Clean the device with a damp cloth.
25. If the equipment does not operate properly, unplug it immediately from line power (mains supply) and lock it
24. In the event of repair, only use original spare parts supplied by the manufacturer.
in a safe place to prevent further use for the time being.
25. If the installation does not operate properly, disconnect it from the supply voltage immediately and
26. Any tampering with the equipment by anyone, other than repair work done by authorized Minebea Intec ser-
secure it against further use.
vice technicians, will result in the loss of Ex conformity for Zones 2 and 22 and in the forfeiture of all claims
26. Any modifications to the equipment (except by persons authorized by Minebea Intec) cause loss of
under the manufacturer's warranty. Only authorized specialists may open the equipment.
conformity for use in zone 2 and zone 22 explosion-risk areas and invalidate all guarantee claims.
27. Modifications, including those to be carried out by Minebea Intec employees, may be permitted only after the
Similarly, the equipment may only be opened by qualified and authorized personnel .
express written authorization has been obtained from Minebea Intec .
27. Modifications (including by Minebea Intec personnel) are subject to written approval.
28. The data cables connected to the equipment are considered non-incendive circuits. The connections are
28. The data cables to connected equipment are classed as flammable electrical circuits. The
secured against accidental disconnection and may only be plugged in or disconnected when the power is
connections are protected against involuntary disconnection and may only be connected and
switched off completely. Outputs not used must be sealed so that the IP65 protection rating
disconnected when the equipment is switched off. Block unused outputs to guarantee the IP65
is maintained. Do not expose the indicator to voltage transients.
level of protection. Keep any voltage transients away from the equipment.
Date Name
Written by 19.02.2021 T. Hiller
Reviewed by 22.02.2021 R. Koch
Released by 22.02.2021 T. Hiller
Material
Revision Alteration
03 543604
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Safety instructions
Title
36418-740-16 (EN)
Drawing number
Installation Instructions and Safety Information
Scale
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Sheet
4
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