H D 2 - D M - A / D M - A M
Measured Values / Parameters
Subject to reasonable modifications due to technical advances.
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Field Device Communication Signal Level
The current minimum and maximum signal level of all network field de-
vices is measured. H1 communication signal level is a value derived
from the device signal levels, this data is important for termination fault
indication. The actual signal level (peak to peak value) of the field device
is measured.
History/Trending Function
Segment and field device specific physical layer values are stored and
time stamped for a time period of up to 2 years in the Diagnostic Module
to allow trending analyses.
Type
Value
Precision
+/- 10 mV
Conforming standards value
150 mV ... 375 mV
Default value
200 mV ... 1200 mV