3
ELECTRICAL CONNECTIONS
22
OPTIFLEX 2200 C/F
www.krohne.com
03/2019 - 4005066003 - AD NEPSI OPTIFLEX2200 R03 en
3.5.4 Electrical schematic
Remote (Field) version
Remote (Field) version
Remote (Field) version
Remote (Field) version
The signal cable (between the converter electronics and the probe electronics) is supplied by the
manufacturer for NEPSI applications. The signal 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 and Ex iaD-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 and Ex iaD-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.
