PLC programming languages

What does the term PLC programming language refer to?

• The method by which the user communicates information to the PLC.

• The method by which the PLC communicates information to the user.

• The method by which the PLC communicates information to other PLCs.

• The method by which the user communicates information to other users.

What is the purpose of the IEC 61131 standard?

• To standardize the hardware components of PLCs.

• To standardize the multiple languages associated with PLC programming.

• To standardize the communication protocols used by PLCs.

• To standardize the safety procedures for using PLCs.

What does IEC stand for in the context of international standards?

• International Engineering Consortium

• International Economic Cooperation

• International Environmental Council

• International Electrotechnical Commission

What is a Ladder Diagram (LD)?

• A graphical depiction of interconnecting steps, actions, and transitions.

• A graphical depiction of process flow.

• A symbolic depiction of instructions arranged in rungs.

• A low-level, text-based language that uses mnemonic instructions.

What is a Function Block Diagram (FBD)?

• A graphical depiction of interconnecting steps, actions, and transitions.

• A symbolic depiction of instructions arranged in rungs.

• A graphical depiction of process flow using simple and complex interconnecting blocks.

• A low-level, text-based language that uses mnemonic instructions.

What is a Sequential Function Chart (SFC)?

• A symbolic depiction of instructions arranged in rungs.

• A graphical depiction of process flow using simple and complex interconnecting blocks.

• A graphical depiction of interconnecting steps, actions, and transitions.

• A low-level, text-based language that uses mnemonic instructions.

What is an Instruction List (IL)?

• A symbolic depiction of instructions arranged in rungs.

• A graphical depiction of process flow using simple and complex interconnecting blocks.

• A graphical depiction of interconnecting steps, actions, and transitions.

• A low-level, text-based language that uses mnemonic instructions.

What is Structured Text (ST)?

• A symbolic depiction of instructions arranged in rungs.

• A graphical depiction of process flow using simple and complex interconnecting blocks.

• A low-level, text-based language that uses mnemonic instructions.

• A high-level, text-based language such as BASIC, C, or PASCAL specifically developed for industrial control applications.

Which of the following is not a standard language defined by IEC 61131?

• Java

• Ladder Diagram (LD)

• Function Block Diagram (FBD)

• Sequential Function Chart (SFC)

What the symbol function?

• Normally Close (NC)

• Normally Open (NO)

• Open Circuit

• Close Circuit