Electrical connections, 6 networks, 1 general information – KROHNE OPTIFLEX 2200 C_F EN User Manual
Page 58: 2 point-to-point networks
4
ELECTRICAL CONNECTIONS
58
OPTIFLEX 2200 C/F
www.krohne.com
07/2013 - 4000668002 - HB OPTIFLEX 2200 R02 en
• Make sure that the electrical cables are not damaged.
• Make sure that the electrical cables agree with the national electrical code.
• The cables are in a loop in front of the device 1 so water does not go into the housing.
• Tighten the cable feedthroughs 2.
• Close unused cable feedthroughs with dummy plugs 3.
The diameter of the outer sheath of the electrical cable and must be 6…10 mm or 0.2…0.39¨.
4.6 Networks
4.6.1 General information
The device uses the HART
®
communication protocol. This protocol agrees with the HART
®
Communication Foundation standard. The device can be connected point-to-point. It can also
operate in a multi-drop network of up to 15 devices.
The device output is factory-set to communicate point-to-point. To change the communication
mode from point-to-point
point-to-point
point-to-point
point-to-point to multi-drop
multi-drop
multi-drop
multi-drop, refer to
HART
®
network configuration on page 83.
4.6.2 Point-to-point networks
Figure 4-14: Point-to-point connection (non-Ex)
1 Address of the device (0 for a point-to-point connection)
2 4...20 mA + HART
®
3 Resistor for HART
®
communication
4 Power supply
5 HART
®
modem
6 HART
®
communication device