KROHNE OPTIFLEX 2200 IECEX - Manual (Page 23)

ELECTRICAL CONNECTIONS
3
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OPTIFLEX 2200 C/F
www.krohne.com 04/2013 - 4000861902 - AD IECEX OPTIFLEX2200 R02 en
3.5.4 Electrical schematic
Remote (Field) version Remote (Field) version Remote (Field) version Remote (Field) version
The communication cable (between the converter electronics and the probe end electronics) is
supplied by the manufacturer for IECEx applications. The communication cable cannot be
changed by the user. For more data, speak to the supplier.
Level transmitter with the 4...20 mA passive - HART output option
Figure 3-5: Electrical schematic for Ex ia-approved equipment with the 4...20 mA passive - HART output option
Level transmitter with the FOUNDATION™ fieldbus or PROFIBUS PA output option
Figure 3-6: Electrical schematic for Ex ia-approved equipment with the FOUNDATION™ fieldbus or PROFIBUS PA
output option
1 Intrinsically-safe power supply
2 Approved barrier with entity parameters or FISCO power supply
3 Non-Ex zone
4 Ex zone
5 Resistor for HART
® communication
6 Grounding wire - if the electrical cable is shielded (braided wire etc.). NOTE: Shielded electrical cable is mandatory
for fieldbus output options.