instrumentation and control

PLC Instruction Set

An Overview of PLC Instructions Types There are various types of instructions that are available in a PLC. The instruction…

2 years ago

Demand Mode vs. Continuous Mode Safety Function

Demand Mode Safety Function Demand mode safety function is where a specified action is taken in response to process conditions…

2 years ago

Input & Output Modules of a PLC – Types & Applications

The input/output modules act as the signal interface between the monitoring sensors and actuators, and the controller. Additional they provide…

2 years ago

The IEEE-488 Instrumentation Bus (GPIB)

A bus in computer systems means a collection of unbroken signal lines that interconnect computer modules; these connections are usually…

2 years ago

What are Virtual Instruments?

Virtual instruments (VI) are instruments based on computer software whose controls and displays are presented on a computer screen and…

2 years ago

Instrument Piping Systems Installation Guidelines

The right installation ensures the long term instrument system reliability. In this article we look at the general guidelines for…

2 years ago

What is the Safety Instrumented Function (SIF)?

The safety instrumented function (SIF) is used to monitor a selected process parameter and takes an executive action to make…

2 years ago

How HAZOP Technique is used to identify Hazards in a Process

In functional safety, hazards are events which have the potential to cause harm such as personal injury, damage to the…

2 years ago

Safety Function in a Machine Control System

A safety function is executed by the safety-related parts of the machine control system to achieve or maintain the equipment…

2 years ago

What is Safety Related Control System (SRCS)?

This is part of the control system of a machine that prevents a hazardous condition from occurring. It can be…

2 years ago