Today’s automation industry quiz question comes from the ISA Certified Automation Professional certification program. ISA CAP certification provides a non-biased, third-party, objective assessment and confirmation of an automation professional’s skills. The CAP exam is focused on direction, definition, design, development/application, deployment, documentation, and support of systems, software, and equipment used in control systems, manufacturing information systems, systems integration, and operational consulting. Click this link for more information about the CAP program.
A pressure measurement has a range of 0-100 psig, a normal operating pressure of 50 psig, and a high alarm setpoint of 60 psig. There is some noise on the measurement as shown in the figure.
Which of the following would be the best choice for the alarm deadband setting on the high alarm?
e) none of the above