The Majority of PLC System Faults Are Caused By

question 75

Multiple Choice

The majority of PLC system faults are caused by:

• A)faulty power supplies.
• B)malfunctioning microprocessors.
• C)software failure.
• D)field wiring and devices.

---

Definitions:

Account Number

A unique identifier assigned to an account that enables transactions and tracking.

Debit

A transaction recorded in accounting that leads to a rise in a company's assets or a reduction in its liabilities on the balance sheet.

Credit

An accounting entry that increases liabilities or equity, or decreases an asset or expense account, on a company's balance sheet.

Posting Reference

An identifier used in journals and ledgers to link transactions, facilitating tracking and cross-referencing between the two records.