KROHNE OPTIWAVE 5200 IECEx - Manual (Page 27)

ELECTRICAL CONNECTIONS
3
27
OPTIWAVE 5200 C/F
www.krohne.com 04/2013 - 4001906102 - AD IECEX OPTIWAVE 5200 R02 en
3.6.4 Electrical schematic
DANGER!
Keep the grounding wire a minimum distance of 2 mm / 0.83
¨ away from the output terminal.
CAUTION!
Make sure that you connect the load resistor to the positive side.
Level transmitter with the 4...20 mA passive - HART output option
Figure 3-9: Electrical schematic for Ex d ia / Ex ia tb-approved equipment (with galvanic isolation)
Figure 3-10: Electrical schematic for Ex d ia / Ex ia tb-approved equipment (without galvanic isolation)
1 Galvanically-isolated power supply
2 Power supply
3 Resistor for HART
® communication
4 Non-Ex zone
5 Ex zone
6 |U| < 13 V
7 Grounding wire - if the electrical cable is shielded (braided wire etc.)