KROHNE IFC 090 Converter EN - Manual (Page 6)

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Part A System installation and start-up
1 Electrical connection: power supply
1.1 Location and important installation notes PLEASE NOTE !
• Electrical connection in accordance with VDE 0100 ”Regulations governing heavy-current
installations with line voltages up to 1000 V” or equivalent national regulations.
• Do not cross or loop cables inside the terminal compartment.
• Use separate cable entries (PG screwed conduit entries) for power supply,
field current cables, signal lines, outputs and inputs.
• Hazardous locations are subject to special regulations, see Section 6.1 and special
installation instructions for hazardous-duty (”Ex”) versions.
• Protect flowmeters or switchgear cabinets with built-in devices from direct sunlight.
Fit a sunshade if necessary.
• When installed in switchgear cabinets, signal converters must be adequately cooled,
e.g. use fans or heat exchangers.
• Do not expose signal converters to intense vibration.
Only for separate systems/signal converters (F Versions)
• Keep distance between primary head and signal converter as short as possible.
Refer to Sect. 1.3.4 for maximum permissible length of signal and field current cables.
• Use the supplied Krohne signal cable A (Type DS), standard length 10 m (33 ft).
• Always calibrate primary head and signal converter together. Therefore, when installing,
ensure primary constant GK is identical; refer to instrument nameplate for the primary
head. If the GK is not identical, set the signal converter to the GK of the primary head.
Refer also to Sections 4 and 8.5.
• Dimensions of signal converter; refer to Section 10.2.