What is an Interlock? | Different Types of Interlocks - AutomationForum
Aug 28, 2021 · What is an electrical equipment interlock and why interlock is required? The electrical interlocking is done to make sure that the equipment is safe, the electrical interlock is mostly used for …
Understanding Permissive Logic and Trip Interlocks in Industrial Systems
Jun 10, 2025 · Explore how permissive logic and trip interlocks ensure safe equipment operation in DCS, PLC, and SIS-based automation systems.
PLC Program for Motor Starter with Low-Level Switch Interlock
Jul 31, 2025 · Learn how to build a PLC-based motor starter with a low-level switch interlock to protect pumps from dry run. Includes ladder logic, wiring, and working principle.
Steam Turbine Interlocks and Associated Protection Systems
Jun 25, 2024 · A comprehensive guide on critical steam turbine trip interlocks and protection systems, ensuring safety and immediate shutdown during faults.
Understanding Fail-Safe Logic in Industrial Automation Systems
Jun 26, 2025 · Particularly in safety-critical applications including level control, emergency shutdown, and hazardous process interlocking, fail-safe circuit design is a basic concept in industrial automation …
Top Essential Gas Turbine Instrumentation Interview
Aug 13, 2024 · Prepare for gas turbine instrumentation interviews with essential questions and answers on vibration probes, interlocks, Master Trip SOV, and more. This article covers calibration, …
What is a control narrative, what is its purpose, and what does it include?
Jan 24, 2023 · Functional Description: A high-level overview of the system’s goals and what needs to be done to reach them. Control Narrative: A detailed explanation of how certain goals are met through …
Step-by-Step Logic Check Procedure for Pre ... - AutomationForum
May 8, 2025 · Pre-commissioning is a vital phase in plant commissioning that guarantees all systems, components, and control logics operate as per the design requirements before they begin use of …
PLC Ladder Logic for Three Motors drive Simultaneously with ...
Aug 31, 2023 · In this article we will discuss about creating an appropriate PLC program for a sequence of three motor connected with interlock. Three Motors say M1, M2 & M3 are connected in a …
82 Essential Drawings and Documents for Instrumentation and Control ...
May 20, 2025 · This complete article explores the essential documentation needs for instrumentation and control engineers across the whole industrial process facilities lifetime. Proper documentation is …