8.
3.21.7
Guidelines for changing the device address
Note
The physical address of a FOUNDATION fieldbus device is read-only when the device is
commissioned or a host/linking device is detected on the fieldbus segment. To change the device
address, use the host system or remove the device from the fieldbus segment and connect it directly
to the Trex unit.
The host control system can assign an address to a device that is connected to a fieldbus
segment. When you assign device addresses, follow the guidelines below:
•
•
•
•
•
3.21.8
Change the device address for a FOUNDATION fieldbus
device
Note
The physical address of a FOUNDATION fieldbus device is read-only when the device is
commissioned or a host/linking device is detected on the fieldbus segment. To change the device
address, use the host system or remove the device from the fieldbus segment and connect it directly
to the Trex unit.
Procedure
1.
2.
3.
4.
5.
6.
User Guide
Tap the device to reconnect to it.
Addresses below 16 are not available.
Addresses between 16 and 19 are usually reserved for host systems. A device should
not be assigned in this address range.
Valid device addresses are between 20 and 247.
Addresses between 248 and 251 are temporary addresses. Devices without a tag or
address appear on the fieldbus segment at these addresses.
Addresses between 252 and 255 are reserved for visitors, such as the Trex unit.
Connect to the FOUNDATION fieldbus device.
Tap Service Tools.
Tap Device Node Address.
Tap OK when prompted that the device will be restarted after the parameter is
changed.
Tap Yes or No when asked if the device is commissioned.
You cannot make changes if the device is commissioned.
Enter the new address, and tap OK.
The Trex unit disconnects from the device.
Field Communicator application
111
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