If a PLC Has a Total Scan Time of 10

question 26

Multiple Choice

If a PLC has a total scan time of 10 ms and has to monitor a signal that _____ then the controller may not detect this change.

• A)changes state once in 20 ms
• B)is fast
• C)is constantly changing
• D)changes state twice in 5 ms

---

Definitions:

Product Warranty Costs

Expenses incurred by a company due to repairing or replacing products that fail to perform satisfactorily within a given warranty period.

Operating Loss

A situation where a company's operating expenses exceed its revenues, indicating it is not making a profit from its core activities.

Income Tax Rate

The fraction of earnings subject to taxation for either individuals or corporations.

Current Income Tax Liability

The amount of income tax that a company is obligated to pay to tax authorities within the current year.