ISA Certified Automation Professional (CAP) program
Certified Automation Professionals (CAPs) are responsible for the direction, design, and deployment of systems and equipment for manufacturing and control systems.
In a 24-VDC open-collector output sinking configuration, which of the following could occur?
A. Configuration increases the risk of electrostatic discharge (ESD) from static electricity.
B. Short circuit from the load device to ground can cause unintended actuation.
C. The triode for alternating current (TRIAC) could remain on when the current (but not voltage) is zero unless a snubber network is used.
D. Inductive devices, such as motors, can generate back electromagnetic fields when turned on.
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