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2. Sensor information
Read only information on transmitter's unit, upper-lower limits, and the minimum span.
3. Device output
Table 11 Transmitter device output
Subject Valid Value Description
Primary Variable/Range Units °C, °F, °R, K Measurement unit of the transmitter
Lower Limit of PV Range Support numeric input, lower limit expanding 10% Lower limit of the process variable
Upper limit of PV Range Support numeric input, upper limit expanding 10% Upper limit of the process variable
Transfer Function Linear, Square Root Transfer function of the transmitter
Alarm State Read only Alarm state of the transmitter
Damping Support numeric input, ≥0 Damping time
Poll Address 0~15 Poll address of the transmitter
Burst Mode Disable, Enable Burst mode state
Burst Command 1, 2, 3
Burst command depends on different
transmitters
3.2.3 Diagnosis and service
The diagnostic/service functions of the HART transmitter include current loop testing, primary variable zeroing, current
adjustment, range migration, and sensor trim.
Note: Current loop test, current adjustment, and other diagnostic adjustment functions that involve the use of current loop
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