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Notes for use in potentially explosive areas
Type 8650 REV.2
4
nOTEs fOR usE in pOTEnTially ExplOsiVE
aREas
4.1
Safety instructions
Risk of injury due to electrical voltage.
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Turn off the power before performing actions within the device (e.g. disconnecting terminal modules) or
system. Secure it against reactivation.
The valves and electronic modules are excluded from this. These may also be plugged and unplugged
under voltage in an explosive atmosphere.
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Observe any applicable accident prevention and safety regulations for electrical devices.
Risk of explosion.
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Only install and operate the device in accordance with the permissible usage conditions.
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The device must only be powered via the system SIMATIC ET 200iSP.
Risk of explosion due to electrostatic charge
If there is a sudden discharge of electrostatically charged devices or persons, there is a risk of explosion
in the potentially explosive atmosphere.
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Use suitable measures to ensure that electrostatic charges cannot occur in the potentially explosive
atmosphere.
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Clean the device surface by gently wiping it with a damp or anti-static cloth only.
Risk of burns/fire due to hot device surface if device operated continuously.
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Keep the device away from highly flammable substances and media.
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Do not touch the device with your bare hands.
general hazardous situations.
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Installation, operation and maintenance may only be performed by qualified personnel with an appropri
-
ate tool.
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Operate the device only when it is in perfect condition and in accordance with the operating
instructions.
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Observe applicable safety regulations (also national safety regulations) as well as the general rules for
the technology during setup and operation.
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Do not feed any flammable media into the media connections of the system.
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Do not repair the device, but replace it with an equivalent device. Repairs may be carried out by the
manufacturer only.
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Do not place the device under mechanical stress (e.g. by placing objects on it or standing on it).
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Do not subject the device to mechanical and/or thermal stresses/influences which exceed the limits
described in the operating instructions.
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Do not cover the ventilation slots of the body.
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