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. Click this link for information about the CCST program. This question is from the Level III study guide, Domain 2, Loop checking. Level III represents a professional who has a 13-year total of education, training, and/or experience.
With a DCS it is possible to change from single loop control of a process variable to cascade, ratio, feedforward, adaptive, or multi-variable control, by ___________ if all of the peripheral hardware is installed in the field and connected to the DCS terminal board.
a) relocating the transmitters and FCE
b) reconfiguring the loop
c) installing a UPS and inverter
d) installing another CPU
e) none of the above