Disconnecting From Afieldbus Device - Emerson 375 User Manual

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Figure 4-8. Fieldbus Diagnostics screen examples
DISCONNECTING
FROM A
FIELDBUS
DEVICE
This test will display the node address, measurement
value, measurement unit, and one of the status
indicators listed below.
- All signal responses from the node were received
by the 375 Field Communicator.
! - Some signal responses from the node were
received by the 375 Field Communicator. Signal
responses may be missed due to noise on the
segment.
X - No signal responses from the node were received
by the 375 Field Communicator. This may be caused
by noise on the segment.
Error - The measurement value is less 75 mV or there
is an error within the 375 Field Communicator.
Prior to disconnecting or turning off the 375 Field
Communicator, be sure to check the following items:
• Verify methods (e.g., calibration) are complete.
• Resolve any un-sent data to the device.
Fieldbus Functionality