A Programmable Logic Controller (PLC) is an industrial controller that checks the state of input devices and decides how to control the state of output devices based on a written program.
Get ready for your next PLC interview with our large database of frequently asked questions and their answers in the automation industry. Gain the knowledge and confidence to impress your potential employers.
To get a job as a PLC technician, you need to be good at both technical skills and being able to explain them clearly. We’ve put together a full list of PLC technician interview questions to help you get ready for your next one. These questions cover everything from basic ideas to advanced troubleshooting methods.
For Freshers
- What is a PLC?
- What are the different types of PLCs?
- What are the advantages of using PLCs?
- What are the different parts of a PLC system?
- How does a PLC program work?
- What are the different types of PLC programming languages?
- What are some common PLC troubleshooting techniques?
- What are some safety considerations when working with PLCs?
- What are the career opportunities for PLC technicians?
For Experienced Professionals
- What are some advanced PLC programming techniques?
- How do you troubleshoot complex PLC problems?
- What are some best practices for PLC system design?
- How do you stay up-to-date with the latest PLC technologies?
- What are some of the challenges and opportunities in the PLC field?
- What are your strengths and weaknesses as a PLC technician?
- Why are you interested in this job?
- What are your salary expectations?
Additional Resources
- PLC Programming Tutorials:
- https://www.automation.siemens.com/mcms/automation/en/simatic-controller/simatic-s7-1200/simatic-s7-1200-system-software/simatic-s7-1200-system-software-programming-tools/Pages/programming-tools.aspx
- https://www.rockwellautomation.com/en-us/resources/literature/instruction-manuals/1769-im001_-en-p.pdf
- PLC Troubleshooting Tips:
- PLC Career Resources:
Tips for Answering PLC Technician Interview Questions
- Be prepared to discuss your experience and qualifications in detail.
- Use specific examples to illustrate your points.
- Be confident and enthusiastic.
- Ask thoughtful questions about the company and the position.
- Follow up with a thank-you note after the interview.
You can improve your chances of getting the PLC technician job you want by preparing well for the interview.
Remember, the key to a successful PLC technician interview is to demonstrate your knowledge, skills, and passion for the field.
Good luck!
What is a PLC program?
A PLC program is a set of instructions that the PLC executes. It defines the logic for controlling the PLC’s outputs based on its inputs.
What is SCADA and how does it relate to PLC?
SCADA (Supervisory Control and Data Acquisition) is a system for remote monitoring and control. A lot of the time, PLCs are part of an SCADA system. The SCADA software gives you a way to monitor and control the PLCs visually.
PLC interview Questions | PLC Basics | Industrial Automation | Instrumentation
FAQ
What is the basic knowledge of PLC?
What is a PLC interview?
What is the difference between PLC and Scada?
