An I/O (Input/Output) list for a Distributed Control System (DCS), Instrumented Protective System (IPS/ESD), or Fire and Gas System (FGS) in the oil and gas sector is typically a comprehensive spreadsheet or database. It serves as a master reference for all instrument signals connected to these control and safety systems...
An Alarm and Trip Settings document, often called an Alarm and Trip Schedule or Cause and Effect Matrix, is a critical engineering document in the oil and gas industry. It formally records all the setpoints for process alarms and automated trips (shutdowns) for a facility. The format is typically a...
Checklist and Activities: Preparations for an Instrument Engineer Before a SIL Workshop In the world of process safety, the Safety Integrity Level (SIL) workshop is a cornerstone event. It’s where the critical decisions are made about the safety layers required to protect personnel, the environment, and assets from potential hazards...
A Hazard and Operability (HAZOP) study is a cornerstone of process safety management, and for an Instrument & Control (I&C) Engineer, it’s not a meeting you just show up for. Your role is pivotal. You’re the gatekeeper of the automated systems, the alarms, and the safety-instrumented functions that act as...
Recent Updates Recent Updates Blogging … Read More Visual explanation of the 1oo2 (one-out-of-two) safety architecture Blogging IEC 61511: 1oo2 Architecture Explained 1oo2 Architecture Explained A visual guide to the “One-out-of-Two” voting logic in Safety Instrumented Systems (IEC 61511). Interactive System Diagram Sensor A Sensor B Logic Solver (1oo2) Trips...
IEC 61511: 1oo2 Architecture Explained 1oo2 Architecture Explained A visual guide to the “One-out-of-Two” voting logic in Safety Instrumented Systems (IEC 61511). Interactive System Diagram Sensor A Sensor B Logic Solver (1oo2) Trips if A OR B detects hazard Final Element VALVE OPEN Normal Operation Hazard (Sensor A) Hazard (Sensor...
PFD & SIL Visualizer (IEC 61511) Understanding Probability of Failure on Demand (PFD) An Interactive Visual Guide based on IEC 61511 for Low Demand Mode What is PFD? Probability of Failure on Demand (PFD) is a measure of the reliability of a safety function. It represents the likelihood that a...
TÜV Rheinland vs. TÜV SÜD vs. exida: The Ultimate Functional Safety Certification Showdown (2025 Guide) In a world driven by automation, from sprawling chemical plants to the intelligent cruise control in your car, ensuring safety is not just a priority—it’s a fundamental requirement. This is the domain of functional safety...
A Construction Hazard Identification (HAZID) study for an oil and gas project follows a structured format to systematically identify potential hazards, assess their risks, and propose mitigation measures before construction begins. Here is a standard format for a Construction HAZID. 1. Introduction and Objectives This initial section sets...