KROHNE OPTIMASS with MFC 300 EN - Manual (Page 73)

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OPTIMASS 9 MFC 300 CONVERTER
Your measuring device is delivered ready to operate. Operating data have been factory set to
your order. The signal converter is equipped as standard with a local display, operator control
elements and with a HART
® interface
The dataplate lists the CG32 number for the MFC 300 converter supplied with your flowmeter
and it describes the converter options. Please refer to section 9.7
MFC 300 C Compact flowmeter
signal converter mounted directly on the flow sensor
MFC 300 F Signal converter in field housing, remote version
electrical connection to the flow sensor via four core cable.
MFC 300 W W Signal converter in wall-mounted housing, remote version
electrical connection to the flow sensor via four core cable.
MFC 300 R Signal converter in 19“ rack, remote version
electrical connection to the flow sensor via four core cable.
C and F Optional
These versions available for use in hazardous areas.
Please check against the device nameplates that the device supplied is in the correct version,
see following examples. The nameplate for inputs/outputs is illustrated in section 9.7
9.1 Electrical Connection: Power Supply
Note the following points:
• Electrical connection MUST conform with VDE 0100 “ Regulations for electrical power instal-
lations with line voltages up to 1000 V“ or equivalent national regulations.
• Use separate entry fittings (PG screwed cable entries) for power supply, field current and
signal cables and for outputs and inputs.
• Protect the signal converter against direct solar radiation, install a sunshade if necessary.
• Signal converters installed in switchgear cabinets require adequate cooling, e.g. by fan or
heat exchanger.
• Do not expose signal converters to intense vibration.
• Dimensions: see section 9.10.
For separate systems /remote signal converters only (F and W versions)
9.2 Mounting the MFC 300 W
1. Remove mounting plate from rear of signal converter and attach to wall or standpipe.
2. Fit the signal converter to the mounting bracket.
3. Position lock washers and nuts on the housing bolts and tighten nuts slightly.
4. Align the housing and tighten nuts firmly.
Dimensions: for further information (minimum distances between signal converters) see sec-
tion 9.10.
9.3 Mounting the MFC 300 F
Standpipe:
1 . Locate the MFC 300 F on the standpipe.
2. Use standard U bolts and lock washers to secure the MFC 300
3. Align converter and tighten the bolts