KROHNE OPTIWAVE 7300C PROFIBUS PA - Manual (Page 5)

ELECTRICAL CONNECTIONS
3
5
OPTIWAVE 7300 C
www.krohne.com 02/2010 - 4000621701 - AD PROFIBUS PA OPTIWAVE 7300
3.1 Electrical installation: terminals
Electrical connection must agree with IEC 61158-2.
Procedure:
• Remove the housing terminal compartment cover 1.
• Connect the PROFIBUS PA segment to the communication terminals 5 and 6 of the device.
Obey the national electrical codes and fieldbus specifications for PROFIBUS PA
communication networks.
• Make sure that the polarity of the wires is correct.
• Connect the power supply to the power supply terminals 2 and 3 of 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.
Figure 3-1: Electrical installation
1 Terminal compartment cover
2 Power supply terminal: 24 VDC -
3 Power supply terminal: 24 VDC +
4 Grounding terminal in the housing
5 Communication terminal: PA -
6 Communication terminal: PA +
7 Grounding terminal between the process connection and the converter
INFORMATION!
The PA terminal is connected to a segment coupler. The 24 VDC terminal energizes the device.