What is a process alarm in Control System? An alarm system is created to govern the attention of plant operators to serious conditions of the existing status of the process plant. Various types of alarms in DCS/PLC: Types of alarms available in control system 1. Process Alarm: These are the alarms related to the process …
What are alarm, trip point, and alarm priority in DCS & PLC? Read More »
What is Dry Contact? Dry contacts are known as voltage-free contacts or potential-free contacts. These contacts don’t provide any power or voltage source from the switch. But power or voltage source is provided from an external source. The contact current for these dry contact is less than one milli-ampere. The power supply must be provided …
What are Dry Contact and Wet Contact and their differences? Read More »
Automation plays a major role in industrialization, automation can be used to control industrial machinery. It is used to do different industrial processes and due to this, the manpower required for the industrial process is reduced. The major advantages of automation are increased productivity, reduction of labor cost, safety in the working environment, and also …
Introduction Hey guys in this session we are gonna discuss about a PLC program for a batch process.In my earlier posts i mentioned the basics of PLC so you can check that out by clicking the link below https://automationforum.co/2018/02/programming-logic-devices-plc.html so lets discuss about the program Procedure Automatically injects the container with liquids A and …
Introduction In this Article we are going to learn about – How to wire a PLC to a control panel. Now when we are going to install a PLC, in any panel or any machine, or in any process,First we have to wire up that. So we will understand that, how to wire a PLC. …
Introduction Distributed Control System refers to a control system usually of a manufacturing System, process in which the controller elements are not central in location but are distributed throughout the system with each component sub-system controlled by one or more controllers DCS was introduced in 1975 by: »Honeywell-TDC 2000 »Yokogawa – Centum • Today Centum is Having around 14,000 installations around the world. •Advances in centum: CS1000 and CS3000 •Advances …
Introduction Siemens makes several PLC product lines in the SIMATIC S7 family. They are: S7-200, S7-300, and S7-400. Siemens Step 7 is a powerful integrated software solution for automation, and includes the programming environment for Siemens programmable logic controllers (PLCs). This software provides unique and powerful programming tools with multiple benefits including: creation of re-useable logic, …
