Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. This question reflects those in the Level I study guide, Domain 2, loop checking. Level I represents a professional who has a five-year total of education, training, and/or experience.
The function symbol below indicates what kind of field-mounted industrial element?
a) programmable logic controller
b) computer function
c) shared display, shared control
d) discrete instrument
e) none of the above