# DCS (Distributed Control Systems) **URL:** https://forumautomation.com/c/dcs-distributed-control-systems/5.md [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) --- ## [About the DCS (Distributed Control Systems) category](https://forumautomation.com/t/about-the-dcs-distributed-control-systems-category/11)
**Author:** [@jacobmani](https://forumautomation.com/u/jacobmani)\ **Replies:** 0
Programmable Logic Controllers and Distributed Control Systems are used to send, receive and process data from sensors, control valves and actuators as part of the control system in modern Manufacturing and Processing Pl… --- ## [Why Ratio Control System Caused Reactor Temperature Fluctuation?](https://forumautomation.com/t/why-ratio-control-system-caused-reactor-temperature-fluctuation/14127)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [May 28, 2026, 1:28pm UTC](https://forumautomation.com/t/why-ratio-control-system-caused-reactor-temperature-fluctuation/14127 "2026-05-28T13:28:41Z")
Why Ratio Control System Caused Reactor Temperature Fluctuation? A chemical plant used a ratio control system to maintain the correct proportion between reactant A and catalyst flow entering a reactor. The process nor… --- ## [What is hunting in a control system?](https://forumautomation.com/t/what-is-hunting-in-a-control-system/13635)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 25, 2025, 7:01am UTC](https://forumautomation.com/t/what-is-hunting-in-a-control-system/13635 "2025-10-25T07:01:32Z")
What is hunting in a control system? --- ## [Can anyone share a basic training manual for DCS (Distributed Control Systems)?](https://forumautomation.com/t/can-anyone-share-a-basic-training-manual-for-dcs-distributed-control-systems/12824)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [November 15, 2024, 10:13am UTC](https://forumautomation.com/t/can-anyone-share-a-basic-training-manual-for-dcs-distributed-control-systems/12824 "2024-11-15T10:13:07Z")
Can anyone share a basic training manual for DCS (Distributed Control Systems)? --- ## [Have anyone HONEYWELL EXPERION PKS control builder CAB working PPT please share?](https://forumautomation.com/t/have-anyone-honeywell-experion-pks-control-builder-cab-working-ppt-please-share/4606)
**Author:** [@PARDEEPKALAS](https://forumautomation.com/u/PARDEEPKALAS)\ **Replies:** 1\ **Last updated:** [August 21, 2024, 11:57am UTC](https://forumautomation.com/t/have-anyone-honeywell-experion-pks-control-builder-cab-working-ppt-please-share/4606 "2024-08-21T11:57:00Z")
Have anyone HONEYWELL EXPERION PKS control builder CAB w orking PPT please share? --- ## [Whats the use of Top of rack switch in DCS?](https://forumautomation.com/t/whats-the-use-of-top-of-rack-switch-in-dcs/12122)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 1\ **Last updated:** [June 8, 2024, 7:21am UTC](https://forumautomation.com/t/whats-the-use-of-top-of-rack-switch-in-dcs/12122 "2024-06-08T07:21:43Z")
I have seen in Virtualized Honeywell DCS system , few switches names as top of the rack switch ? Is it a common name or is it just related to Honeywell DCS ? --- ## [Universal voting logic MooN](https://forumautomation.com/t/universal-voting-logic-moon/12102)
**Author:** [@Kairat](https://forumautomation.com/u/Kairat)\ **Replies:** 0\ **Last updated:** [May 26, 2024, 5:37pm UTC](https://forumautomation.com/t/universal-voting-logic-moon/12102 "2024-05-26T17:37:36Z")
Good evening! I want to share with you universal version of voting logic MooN. It’s based on simple boolean logic and easy to scale for any dimension. For example see version for 6 inputs. You can use any of MooN ou… --- ## [What are the different types of IO Modules available in a DCS system?](https://forumautomation.com/t/what-are-the-different-types-of-io-modules-available-in-a-dcs-system/12079)
**Author:** [@Sundar.S](https://forumautomation.com/u/Sundar.S)\ **Replies:** 1\ **Last updated:** [May 18, 2024, 7:11am UTC](https://forumautomation.com/t/what-are-the-different-types-of-io-modules-available-in-a-dcs-system/12079 "2024-05-18T07:11:14Z")
What are the different types of IO Modules available in a DCS system? --- ## [What is more reliable switch or transmitter especially in ESD?](https://forumautomation.com/t/what-is-more-reliable-switch-or-transmitter-especially-in-esd/11926)
**Author:** [@mtalaat](https://forumautomation.com/u/mtalaat)\ **Replies:** 1\ **Last updated:** [April 2, 2024, 3:23am UTC](https://forumautomation.com/t/what-is-more-reliable-switch-or-transmitter-especially-in-esd/11926 "2024-04-02T03:23:03Z")
what is more reliable switch or transmitter especially in ESD? like pressure switch or pressure transmitter what is the best to use and the pros and cons? --- ## [What is the difference between DCS and SCADA?](https://forumautomation.com/t/what-is-the-difference-between-dcs-and-scada/11722)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [January 19, 2024, 8:50am UTC](https://forumautomation.com/t/what-is-the-difference-between-dcs-and-scada/11722 "2024-01-19T08:50:08Z")
Distributed Control System (DCS) vs. Supervisory Control and Data Acquisition (SCADA) For industrial operations to be efficient, dependable, and safe, modern control systems are essential. Supervisory Control and Data Ac… --- ## [Different models of Invensys DCS and Basic overview](https://forumautomation.com/t/different-models-of-invensys-dcs-and-basic-overview/10574)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 1\ **Last updated:** [September 22, 2023, 11:40am UTC](https://forumautomation.com/t/different-models-of-invensys-dcs-and-basic-overview/10574 "2023-09-22T11:40:22Z")
What is Invensys DCS? A distributed control system (DCS) is a type of digital automated industrial control system (ICS) that uses control loops that are geographically scattered throughout a factory, machine, or control… --- ## [What are the communication protocols used for Interfacing 3rd Party devices and Instruments with DCS (Distributed Control System)?](https://forumautomation.com/t/what-are-the-communication-protocols-used-for-interfacing-3rd-party-devices-and-instruments-with-dcs-distributed-control-system/10872)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [February 9, 2023, 12:08am UTC](https://forumautomation.com/t/what-are-the-communication-protocols-used-for-interfacing-3rd-party-devices-and-instruments-with-dcs-distributed-control-system/10872 "2023-02-09T00:08:20Z")
There are several communication protocols used for PLC (Programmable Logic Controller) / Instruments to DCS (Distributed Control System) interface, including: Modbus: This is a popular protocol used in industrial commu… --- ## [Major DCS manufactures and DCS models?](https://forumautomation.com/t/major-dcs-manufactures-and-dcs-models/10829)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [January 8, 2023, 2:07pm UTC](https://forumautomation.com/t/major-dcs-manufactures-and-dcs-models/10829 "2023-01-08T14:07:03Z")
There are several companies that manufacture distributed control systems (DCS). Here is a list of some DCS manufacturers and some of the DCS models that they offer: ABB: Some of the DCS models offered by ABB include … --- ## [What is Local Control Network (LCN)?](https://forumautomation.com/t/what-is-local-control-network-lcn/10752)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [November 9, 2022, 10:26am UTC](https://forumautomation.com/t/what-is-local-control-network-lcn/10752 "2022-11-09T10:26:39Z")
LCN stands for Local Control Network. It was developed by Honeywell. Honeywell Process Solutions (HPS) has introduced the Experion Local Control Network (LCN) solution. This product enables Honeywell’s traditional Total… --- ## [Different models of Metso DCS and Basic overview](https://forumautomation.com/t/different-models-of-metso-dcs-and-basic-overview/10582)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 11, 2022, 4:10am UTC](https://forumautomation.com/t/different-models-of-metso-dcs-and-basic-overview/10582 "2022-08-11T04:10:11Z")
What is a mesto DCS? A distributed control system (DCS) is a control system that typically governs a manufacturing system, a process, or any other dynamic system. In a distributed control system, the controller elements… --- ## [Different models of GE DCS and Basic overview](https://forumautomation.com/t/different-models-of-ge-dcs-and-basic-overview/10581)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 10, 2022, 11:46am UTC](https://forumautomation.com/t/different-models-of-ge-dcs-and-basic-overview/10581 "2022-08-10T11:46:25Z")
What is GE DCS? A distributed control system (DCS) is a type of digital automated industrial control system (ICS) that uses control loops that are geographically scattered throughout a factory, machine, or control regio… --- ## [Different models of Emerson DCS and Basic overview](https://forumautomation.com/t/different-models-of-emerson-dcs-and-basic-overview/10571)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 8, 2022, 5:56am UTC](https://forumautomation.com/t/different-models-of-emerson-dcs-and-basic-overview/10571 "2022-08-08T05:56:40Z")
What is Emerson DCS? The DeltaV Distributed Control Solution (DCS) is a simple automation system that reduces project risk and simplifies operational complexity. The cutting-edge range of products and services improves … --- ## [Different models of Yokogawa DCS and Basic overview](https://forumautomation.com/t/different-models-of-yokogawa-dcs-and-basic-overview/10566)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 4, 2022, 5:20am UTC](https://forumautomation.com/t/different-models-of-yokogawa-dcs-and-basic-overview/10566 "2022-08-04T05:20:32Z")
What is DCS? A Distributed Control System (DCS) is a particularly designed automated control system that consists of control elements that are geographically scattered throughout the plant or control region. It varies … --- ## [Different models of ABB DCS and Basic overview](https://forumautomation.com/t/different-models-of-abb-dcs-and-basic-overview/10565)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 3, 2022, 6:17am UTC](https://forumautomation.com/t/different-models-of-abb-dcs-and-basic-overview/10565 "2022-08-03T06:17:12Z")
What is ABB DCS? ABB’s Distributed Control Systems (DCS) are designed to change multi-faceted, 24-hour-a-day industrial processes. The control architecture of ABB continuously analyses and drives plant productivity, max… --- ## [Different models of Honeywell DCS and Basic overview](https://forumautomation.com/t/different-models-of-honeywell-dcs-and-basic-overview/10562)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 2, 2022, 4:48am UTC](https://forumautomation.com/t/different-models-of-honeywell-dcs-and-basic-overview/10562 "2022-08-02T04:48:35Z")
What is DCS? A Distributed Control System (DCS) is a particularly designed automated control system that consists of control elements that are geographically scattered throughout the plant or control region. It vari… --- ## [What is compensation and types of compensation in the control system?](https://forumautomation.com/t/what-is-compensation-and-types-of-compensation-in-the-control-system/10343)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [April 13, 2022, 6:25am UTC](https://forumautomation.com/t/what-is-compensation-and-types-of-compensation-in-the-control-system/10343 "2022-04-13T06:25:44Z")
What is compensation in the control system? A compensator is a control system component that regulates the operation of another system. Most of the time, this is accomplished by conditioning the system’s input or output… --- ## [Add slave for 800M controller at 800XA DCS](https://forumautomation.com/t/add-slave-for-800m-controller-at-800xa-dcs/10332)
**Author:** [@sabir](https://forumautomation.com/u/sabir)\ **Replies:** 0\ **Last updated:** [April 10, 2022, 9:57am UTC](https://forumautomation.com/t/add-slave-for-800m-controller-at-800xa-dcs/10332 "2022-04-10T09:57:04Z")
hello experts, Is there anyone who knows how to add a sub-controller (third party) to control builder M at 800XA? --- ## [Control builder ABB AC800M](https://forumautomation.com/t/control-builder-abb-ac800m/10289)
**Author:** [@djamal1103](https://forumautomation.com/u/djamal1103)\ **Replies:** 0\ **Last updated:** [March 22, 2022, 10:13am UTC](https://forumautomation.com/t/control-builder-abb-ac800m/10289 "2022-03-22T10:13:28Z")
Hello everyone, I have a question how to import the exchange table from control builder AC800M? --- ## [What are the remote peripheral solutions available for DCS?](https://forumautomation.com/t/what-are-the-remote-peripheral-solutions-available-for-dcs/10212)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [February 17, 2022, 4:24am UTC](https://forumautomation.com/t/what-are-the-remote-peripheral-solutions-available-for-dcs/10212 "2022-02-17T04:24:46Z")
What is a remote peripheral solution? It is also referred to as an auxiliary device. A peripheral device is an external device that connects to a computer but isn’t part of the computer’s core architecture. The central … --- ## [Displaying full array in table format, HMIWeb Display Builder](https://forumautomation.com/t/displaying-full-array-in-table-format-hmiweb-display-builder/9487)
**Author:** [@FABeng](https://forumautomation.com/u/FABeng)\ **Replies:** 0\ **Last updated:** [June 10, 2021, 12:31am UTC](https://forumautomation.com/t/displaying-full-array-in-table-format-hmiweb-display-builder/9487 "2021-06-10T00:31:21Z")
Hi All, I have a 20x20 array that I want to display in a table format. So far in the table object, I define a column and in Column properties \> Data, I am only able to define a parameter as CAB.PARAMETER\[y\] but obviousl… --- ## [FAT procedure for DCS](https://forumautomation.com/t/fat-procedure-for-dcs/7406)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 11, 2019, 6:53pm UTC](https://forumautomation.com/t/fat-procedure-for-dcs/7406 "2019-11-11T18:53:41Z")
FAT (Factory Acceptance Test) is carried out in order to demonstrate that the system and its components function properly, that manufacturing, assembly, configuration and software generation are done correctly and that s… --- ## [Types of Alarms in Distributed Control System (DCS)](https://forumautomation.com/t/types-of-alarms-in-distributed-control-system-dcs/7322)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 22, 2019, 7:26pm UTC](https://forumautomation.com/t/types-of-alarms-in-distributed-control-system-dcs/7322 "2019-10-22T19:26:36Z")
Here, the different warning types used in the Distributed Control System (DCS) and Programmable Logic Controllers (PLC) are discussed. Types of Alarms: Process Alarms Such alarms may be related to system efficiency or s… --- ## [R311 insatllation in vmware or vbox](https://forumautomation.com/t/r311-insatllation-in-vmware-or-vbox/7046)
**Author:** [@instrumentation\_isp](https://forumautomation.com/u/instrumentation_isp)\ **Replies:** 0\ **Last updated:** [August 28, 2019, 6:20am UTC](https://forumautomation.com/t/r311-insatllation-in-vmware-or-vbox/7046 "2019-08-28T06:20:27Z")
R311 insatllation in vmware or vbox procudre --- ## [DCS - Components and Interfaces](https://forumautomation.com/t/dcs-components-and-interfaces/5405)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 6, 2018, 11:12am UTC](https://forumautomation.com/t/dcs-components-and-interfaces/5405 "2018-12-06T11:12:05Z")
Components of DCS: Operator console This tool is similar to a computer monitor. Used to provide feedback information about what is being done or done in the factory, besides that it can also display commands given t… --- ## [DCS - Communication facilities, requirements, architecture model](https://forumautomation.com/t/dcs-communication-facilities-requirements-architecture-model/5050)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 29, 2018, 5:30pm UTC](https://forumautomation.com/t/dcs-communication-facilities-requirements-architecture-model/5050 "2018-10-29T17:30:03Z")
DCS communication systems were first used in the process control industry to implement large-scale data acquisition systems, which at that time had grown to several thousand inputs in size. To reduce the cost of wiring, … [Next page](https://forumautomation.com/c/dcs-distributed-control-systems/5.md?page=1)