Which of the following is a HART secondary master?
A. Smart transmitter
B. Control system
C. Fieldbus gateway
D. All of the above
Answer:C
Which of the following is a HART secondary master?
A. Smart transmitter B. Control system C. Fieldbus gateway D. All of the above
Explanation: A HART secondary master is a device that can communicate with HART-enabled field instruments but cannot initiate or control communication. Examples of secondary masters include fieldbus gateways and handheld communicators.