Which of the following HART commands is used to write a new setpoint to a smart field instrument?
A. PV Write
B. Universal Command 1
C. Loop Current Write
D. None of the above
Answer:B
Which of the following HART commands is used to write a new setpoint to a smart field instrument?
A. PV Write B. Universal Command 1 C. Loop Current Write D. None of the above
Explanation: Universal Command 1 (UC1) is a HART command used to write a new setpoint to a HART-enabled field instrument. It is one of the most commonly used HART commands for control applications.