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Overview
Digital Communications Fault Action specifies the values that will be reported via digital
communications if the transmitter encounters an internal fault condition.
Procedure
Set Digital Communications Fault Action as desired.
The default setting is None.
Options for Digital Communications Fault Action
Options for Digital Communications Fault ActionTable 6-16:
Label Description
ProLink II ProLink III Field Communicator
Upscale Upscale Upscale
• Process variable values indicate that the
value is greater than the upper sensor lim-
it.
• Totalizers stop incrementing.
Downscale Downscale Downscale
• Process variable values indicate that the
value is greater than the upper sensor lim-
it.
• Totalizers stop incrementing.
Zero Zero IntZero-All 0
• Flow rate variables go to the value that
represents a flow rate of 0 (zero).
•
Density is reported as 0.
•
Temperature is reported as 0 °C, or the
equivalent if other units are used (e.g.,
32 °F).
• Drive gain is reported as measured.
• Totalizers stop incrementing.
Not-a-Number (NAN) Not a Number Not-a-Number
•
Process variables are reported as IEEE
NAN.
• Drive gain is reported as measured.
• Modbus scaled integers are reported as
Max Int.
• Totalizers stop incrementing.
Flow to Zero Flow to Zero IntZero-Flow 0
•
Flow rates are reported as 0.
• Other process variables are reported as
measured.
• Totalizers stop incrementing.
None (default)
None
None (default) • All process variables are reported as meas-
ured.
• Totalizers increment if they are running.
Integrate the meter with the control system
132 Micro Motion
®
Model 2700 Transmitters with Analog Outputs