KROHNE OPTIWAVE 8300C Marine ATEX EN - Manual (Page 17)

ELECTRICAL CONNECTIONS
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OPTIWAVE 8300 C
www.krohne.com 02/2009 - 4000407102 - AD ATEX OPTIWAVE 8300 R02 en
3.6.4 Electrical schema
CAUTION!
Make sure that you connect the load resistor to the positive side.
Figure 3-5: Electrical schema for Ex d [ia]-approved equipment (with galvanic isolation)
Figure 3-6: Electrical schema for Ex d [ia]-approved equipment (without galvanic isolation)
1 Galvanically-isolated power supply (use a second power supply for optional terminal 2)
2 Power supply (use a second power supply for optional terminal 2)
3 Resistor for HART
® communication
4 Non-Ex zone
5 Ex zone
6 |U| < 5 V
AD_ATEX_OPTIWAVE8300_EN_090407_4000407102_R02_PRT.book Page 17 Tuesday, April 7, 2009 5:07 PM