User guide

3 ELECTRICAL CONNECTIONS
28
OPTIFLEX 2200 C/F
www.krohne.com 04/2013 - 4000861902 - AD IECEX OPTIFLEX2200 R02 en
3.7.4 Electrical schematic
Remote (Field) version
Remote (Field) versionRemote (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 3-12: Electrical schematic for Ex ic-approved equipment with the 4...20 mA passive - HART output option
Level transmitter with the FOUNDATION™ fieldbus or PROFIBUS PA output option
Figure 3-13: Electrical schematic for Ex ic-approved equipment with the FOUNDATION™ fieldbus or PROFIBUS PA
output option
1 Approved barrier with entity parameters or FISCO power supply
2 Non-Ex zone
3 Ex zone
4 Grounding wire - if the electrical cable is shielded (braided wire etc.). NOTE: Shielded electrical cable is mandatory
for fieldbus output options.