Panametrics Sentinel LCT, User Manual

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Sentinel LNG User’s Manual 181
Chapter 7. HART Communications
7.8 Universal Commands
All universal commands are implemented per the HART Universal Command Specification (HCF_SPEC-127, rev. 6.0).
The transducer serial number is not relevant to flowmeters, so a zero is returned in the first two data bytes of
Command 14, Read Primary Variable Transducer Information.
7.9 Common-Practice Commands
7.9.1 Supported Common Practice Commands
Number Function
33 Read Device Variables
34 Write Primary Variable Damping Value
35 Write Primary Variable Range Values
36 Set Primary Variable Upper Range Value
37 Set Primary Variable Lower Range Value
38 Reset Configuration Changed Flag
40 Enter/Exit Fixed Current Mode
41 Perform Self Test - restricted
42 Perform Device Reset
43 Set Primary Variable Zero
44 Write Primary Variable Units
45 Trim Loop Current Zero
46 Trim Loop Current Gain
48 Read Additional Device Status
49 Write Primary Variable Transducer Serial Number
50 Read Dynamic Variable Assignments
51 Write Dynamic Variable Assignments
52 Set Device Variable Zero
53 Write Device Variable Units
54 Read Device Variable Information
55 Write Device Damping Value
59 Write Number of Response Preambles
72 Squawk