Industrial Control Systems - Instrumentation Tools

How to Configure a Smart Transmitter Using a HART Communicator?

S Bharadwaj ReddyJanuary 16, 2020January 17, 2020

The following instructions describe how to configure a 2 wire Radar smart transmitter with HART communicator using an Emerson 475 Field Communicator. The 475 Field Communicator used for this article...

Pressure Control Loop Wiring Connections

S Bharadwaj ReddyJanuary 14, 2020January 14, 2020

This pictorial diagram shows the wiring connections for a simple pressure control loop, where a loop- powered 4-20 mA pressure transmitter sends a signal to a Honeywell controller, which in...

Analysis of HART communicator and Smart HART Transmitter

S Bharadwaj ReddyJanuary 11, 2020January 17, 2020

During the 1980’s the Rosemount corporation developed a means for 4-20 mA analog signaling circuits to carry digital signals as well, so that 4-20 mA process transmitters could be equipped...

Identify Instruments in Piping and instrumentation Diagram

S Bharadwaj ReddyJanuary 10, 2020

Identify the meanings of the following instruments in this Piping and instrumentation Diagram (P&ID). Piping and instrumentation Diagram Solution: The below Piping and instrumentation (P&ID) Diagram shows the abbreviations or...

Alarm Annunciator Circuit with Acknowledge

S Bharadwaj ReddyJanuary 9, 2020January 13, 2020

Explain how the following annunciator circuit works: Note the jumper options shown in the diagram: one set of jumper positions configures the alarm for a process switch that alarms when...

Identify Process Variables in P&ID

S Bharadwaj ReddyJanuary 8, 2020January 9, 2020

Identify Process Variables in P&ID as they apply to the level controller shown in this P&ID (LIC 135), controlling the level of liquid in the horizontal receiver vessel: Process Variable...

Single Loop Controller Questions

S Bharadwaj ReddyJanuary 8, 2020January 11, 2020

A simple diagram is shown here, where a single loop controller controls the speed of a DC electric motor using the concept of feedback control. Single Loop Controller The motor...

What is Anti Surge System?

S Bharadwaj ReddyDecember 29, 2019January 9, 2020

What is Anti Surge System? Purpose, Types, Advantages, and Disadvantages In a centrifugal compressor, to maintain its speed at required, there is a certain capacity below which the operation is...

Pre-commissioning or Commissioning Activities

S Bharadwaj ReddyDecember 27, 2019January 10, 2020

What are the things to be checked carefully during pre-commissioning or commissioning activities for instrument engineer? Pre-commissioning or Commissioning Activities Before a plant or facility is handed over for normal...

Project Planning and Implementation of PLC or DCS Control System

S Bharadwaj ReddyNovember 25, 2019December 13, 2019

This article has two objectives: to outline the basic process and key issues in planning, design, construction, and commissioning of a PLC or DCS Control System; and to summarize key...

Inst Tools

Category : Control Systems