4.5 Networks
4.5.1 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
have a polling address of 1 to 15 in a multi-drop network.
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
Network configuration
on page 86.
4.5.2 Point-to-point networks
Figure 4-4: 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
5
6
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Instruction Manual
Tek-Flex
4100A