8 FLPS Multibarrier · Operating Instructions · 8021769/V1-0/2018-03 · © SICK Engineering GmbH
For your safety
Subject to change without notice
2.1 Intended use
2.1.1 Purpose of the device
The FLPS Multibarrier is a multichannel feed and input isolator amplifier to provide
intrinsically safe installation of FLOWSIC gas measuring devices.
2.1.2 Correct use
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Only use the FLPS Multibarrier as described in these Operating Instructions. The manu-
facturer bears no responsibility for any other use.
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Do not carry out any work or repairs on the FLPS Multibarrier not described in this man-
ual.
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Do not remove, add or change any components in or on the FLPS Multibarrier unless
such changes are officially allowed and specified by the manufacturer.
Failure to observe these precautions could result in:
– Any warranty by the manufacturer becomes void,
– causing the device to become dangerous,
– the approval for use in potentially explosive atmospheres is no longer valid.
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Do not use damaged components or parts.
Special local conditions
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Follow all local laws, regulations and company-internal operating directives applicable at
the installation location.
2.2 Basic safety information
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Only put the FLPS Multibarrier into operation after reading the Operating Instructions.
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Observe all safety information.
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If you do not understand something: Please contact SICK Customer Service.
2.2.1 Hazards with electrical equipment
2.2.2 Operation in potentially explosive atmospheres
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Install the device outside of hazardous areas only.
WARNING: Power voltage danger
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Disconnect the device from all effective power sources except the
intrinsically safe power circuits to the gas flow meter for installation,
maintenance and service work.
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Decommission the device when it is damaged, has been improperly loaded
or stored, or shows malfunctions.
WARNING: Risk of explosion
The FLPS Multibarrier is an [Ex ia] associated equipment that provides intinsi-
cally safe wiring with intinsicallay safe devices installed in Zone 1 or Zone 0.
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Substitution of components may impair Intrinsic Safety.
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