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78
DISCONNECTING FROM A
FIELDBUS DEVICE
This test displays the node address, measurement value,
measurement unit, and one of the status indicators listed below.
- All signal responses from the device were received by the 475
Field Communicator.
!
- One or more signal responses from the device was not received
by the 475 Field Communicator. This may be caused by noise on
the segment.
X
- No signal responses from the device were received by the 475
Field Communicator. This may be caused by noise on the
segment.
Error
- The measurement value is less than 75 mV or there is an
error within the 475 Field Communicator.
Figure 4-8. Fieldbus diagnostics window examples
Prior to disconnecting or turning off the 475 Field Communicator,
check the following items:
• Verify methods are complete.
• Resolve any un-sent data to the device.
Fieldbus functionality
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