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FLOWSIC600-XT · Operating Instructions · 8018846/1BHP/V2-1/2021-05 · © SICK Engineering GmbH
Installation
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General requirements for installation
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The documentation for hazardous area classification (zone classification) according to
EN/IEC60079-10 must be available.
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The equipment must be verified as suitable for use in the classified area.
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After installation, an initial test run of the complete equipment and the plant must be
performed according to EN/IEC60079-17 before regular operation is started.
WARNING:
Ignition hazard through electrostatic discharges
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The plastic display surface exceeds the allowable value for ignition group
IIC. The user must take suitable precautionary measures to eliminate the
risk of ignition through electrostatic discharges.
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The paint coat thickness on the surfaces on the meter body and electronics
housing accessible from the outside exceeds the allowable thickness for
ignition group IIC. The user must take suitable precautionary measures to
eliminate the risk of ignition through electrostatic discharges.
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A label on the meter body and on the electronics housing draws attention to
the possible electrostatic charge.
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Under certain extreme circumstances, the non-metallic parts incorporated
in the enclosure may generate an ignition-capable level of electrostatic
charge.
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Therefore the FLOWSIC600-XT must not be installed in a location where
the external conditions are conducive to the build-up of electrostatic
charge on such surfaces.
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In addition, the equipment must only be cleaned with a damp cloth. This
is particularly important when the FLOWSIC600-XT is installed in a zone
0 location. (See clause 7.4.2 of EN 60079-0) (See § 7.4.2 EN 60079-0)
WARNING:
Risk of explosion
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In the exclusively intrinsically safe variant of the FLOWSIC600-XT, the
ultrasonic transducers may only be connected and disconnected by SICK
Service when under voltage. Safe separation among themselves and from
other non-intrinsically safe power circuits must always be ensured so as not
to endanger the intrinsic safety. An uncontrolled movement of the
disconnected transducer cable should therefore be prevented.
In all other variants of FLOWSIC600-XT, the ultrasonic transducers may only
be connected and disconnected when under voltage only when this is
specified by the device identification. The identification must contain as a
minimum the specification [ia Ga] whereby this is applicable only for the
danger area concerned as well as the specified ignition group.
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Opening the enclosure and removing the cover caps for the ultrasonic
transducers when under voltage is not allowed (exception: under the
conditions already described).
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The display cover may be opened during operation, for example, in order to
swap the battery.
