beautypg.com

Electrical connections, 4 electrical schematic – KROHNE OPTIWAVE 5200 ATEX EN User Manual

Page 27

background image

ELECTRICAL CONNECTIONS

3

27

OPTIWAVE 5200 C/F

www.krohne.com

04/2013 - 4001905802 - AD ATEX 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.)