ABB FCM2000 Inbetriebnahmeanleitung Seite 58

Commissioning
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5.2 Information for safe operation – ATEX, IECEx
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5.2.1 Inspection
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Before installing the flowmeter sensor, check whether it has been damaged due to improper
transport. All claims for damages must be submitted to the shipper without delay and before
installation. You must comply with the installation conditions. Flowmeter sensors must be
commissioned and operated according to ElexV (German ordinance on electrical installations in
potentially explosive atmospheres), EN 60079-14 (setting up electrical installations in potentially
explosive atmospheres), and relevant national standards. In potentially explosive atmospheres,
installation, commissioning, maintenance, and servicing must only be performed by properly
trained personnel. The commissioning activities described here are performed after the
flowmeter has been installed and the electrical connection has been made. The supply power is
switched off. When operating the flowmeter in areas containing combustible dusts, comply with
EN 61241-0:2006.
Warning - General risks!
Comply with the following instructions when opening the housing:
• Make sure there is no explosion hazard.
• A fire permit is required.
• Power to all connecting cables must be switched off.
• When the housing is open, EMC protection is suspended.
• The surface temperature of the flowmeter sensor may exceed 70 °C (158 °F), depending
on the fluid temperature.
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5.2.2 Output Circuits
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Installation of Intrinsically Safe "i" or Increased Safety "e"
The output circuits are designed to be connected to either intrinsically safe or non-intrinsically
safe circuits. A combination of intrinsically safe and non-intrinsically circuits is not permissible.
For intrinsically safe output current circuits Potential Equalization must be maintained along the
entire circuit. The test voltage for the non-intrinsically safe circuits is Um = 60 V. When shipped
the black cable connectors are installed. If the signal outputs are to be connected to intrinsically
safe circuits, it is recommended that the included light blue caps be used for the corresponding
cable connectors.
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24 - EN CoriolisMaster FCM2000 CI/FCM2000-EN