3
ELECTRICAL CONNECTIONS
28
OPTIWAVE 7300 C
www.krohne.com
04/2009 - 4000050002 - QS OPTIWAVE 7300 R05 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
3.2.2 Ex i
3.2.3 Ex d
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 Ex i applications, refer to the Ex supplements. You can find this
documentation on the CD-ROM delivered with the device or it can be downloaded free of charge
from the website (Downloadcenter).
DANGER!
For electrical data for Ex d applications, refer to the Ex supplements. You can find this
documentation on the CD-ROM delivered with the device or it can be downloaded free of charge
from the website (Downloadcenter).
QS_OPTIWAVE7300_en_090528_4000050002_R05_web.book Page 28 Friday, May 29, 2009 4:01 PM
