Which HART command is used to retrieve the device’s process variable?
A. PROCESS
B. VARIABLE
C. MEASUREMENT
D. PARAMETER
Answer:A
Which HART command is used to retrieve the device’s process variable?
A. PROCESS B. VARIABLE C. MEASUREMENT D. PARAMETER
Explanation: The PROCESS command is used to retrieve the device’s process variable, which is the physical quantity being measured by the device (e.g. pressure, temperature, etc.).