KROHNE OPTIWAVE 7300C Quickstart EN - Manual (Page 23)

ELECTRICAL CONNECTIONS
3
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OPTIWAVE 7300 C
www.krohne.com 03/2014 - 4000050005 - QS OPTIWAVE 7300 R08 en
Procedure:
• Remove the housing terminal compartment cover 1.
• Connect the wires to the device. Obey the national electrical codes.
• Make sure that the polarity of the wires is correct.
• Attach the ground to 4 or 7. Both terminals are technically equivalent.
3.2.1 Non-Ex devices
3.2.2 Devices for hazardous locations
Figure 3-2: Electrical connections for non-Ex devices
1 Power supply
2 Resistor for HART
® communication
3 Output 1: 14...30 VDC for an output of 22 mA at the terminal
4 Output 2: 10...30 VDC for an output of 22 mA at the terminal
DANGER!
For electrical data for device operation in hazardous locations, refer to the related certificates of
compliance and supplementary instructions (ATEX, IECEx, FM, CSA, ...). You can find this
documentation on the DVD-ROM delivered with the device or it can be downloaded free of charge
from the website (Download Center).