Figure 85. Settling Time for Pressure Transducer
Table 63. First Six Values of Settling-Time Data
TIMESTAMP REC PT(1) PT(2) PT(3) PT(4) PT(5) PT(6)
Smp Smp Smp Smp Smp Smp
1/3/2000 23:34 0 0.03638599 0.03901386 0.04022673 0.04042887 0.04103531 0.04123745
1/3/2000 23:34 1 0.03658813 0.03921601 0.04002459 0.04042887 0.04103531 0.0414396
1/3/2000 23:34 2 0.03638599 0.03941815 0.04002459 0.04063102 0.04042887 0.04123745
1/3/2000 23:34 3 0.03658813 0.03941815 0.03982244 0.04042887 0.04103531 0.04103531
1/3/2000 23:34 4 0.03679027 0.03921601 0.04022673 0.04063102 0.04063102 0.04083316
Open-Input Detect
Note Much of the information in the following section is highly technical and is
not necessary for the routine operation of the CR1000. The information is
included to foster a deeper understanding of the open-input detection feature of
the CR1000.
Summary
• An option to detect an open-input, such as a broken sensor or loose connection,
is available in the CR1000.
• The option is selected by appending a C to the Range code.
• Using this option, the result of a measurement on an open connection will be
NAN (not a number).
A useful option available to single-ended and differential measurements is the
detection of open inputs due to a broken or disconnected sensor wire. This
prevents otherwise undetectable measurement errors. Range codes appended with
C enable open-input detect for all input ranges except the ±5000 mV input range
(see table Analog Voltage Input Ranges with CMN / OID
(p. 309) ).
321
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