# Industrial Networking **URL:** https://forumautomation.com/c/networking/8.md [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) --- ## [How to do proper port settings/configuration of Rs 485 modbus?](https://forumautomation.com/t/how-to-do-proper-port-settings-configuration-of-rs-485-modbus/1607)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 5\ **Last updated:** [August 19, 2021, 12:36pm UTC](https://forumautomation.com/t/how-to-do-proper-port-settings-configuration-of-rs-485-modbus/1607 "2021-08-19T12:36:08Z")
Every RS 485 port on a device has a configuration associated with it and these configuration parameter must be set using the programming software for the particular device. First thing to consider is device id.Device id… --- ## [TCP/IP (Transmission Control Protocol/Internet Protocol) - Basic concept, architecture](https://forumautomation.com/t/tcp-ip-transmission-control-protocol-internet-protocol-basic-concept-architecture/4482)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [August 28, 2018, 10:53am UTC](https://forumautomation.com/t/tcp-ip-transmission-control-protocol-internet-protocol-basic-concept-architecture/4482 "2018-08-28T10:53:10Z")
There are different means for data to be exchanged between field instruments and the computer. Many of the instruments have a serial port, through which the information is sent to the computer or other instruments. The u… --- ## [What are the differences between ISA100.11a and WirelessHART wireless standards?](https://forumautomation.com/t/what-are-the-differences-between-isa100-11a-and-wirelesshart-wireless-standards/927)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [March 28, 2016, 12:57am UTC](https://forumautomation.com/t/what-are-the-differences-between-isa100-11a-and-wirelesshart-wireless-standards/927 "2016-03-28T00:57:05Z")
What are the different types of Wireless standards ? 1.ISA100.11a Part of ISA100 standards committee aiming at a single integrated series of open standards, designed by end users and suppliers. 2.WirelessHART Develop… --- ## [What are the difference between RS-232, RS-422, RS-485?](https://forumautomation.com/t/what-are-the-difference-between-rs-232-rs-422-rs-485/2512)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 25, 2017, 6:05pm UTC](https://forumautomation.com/t/what-are-the-difference-between-rs-232-rs-422-rs-485/2512 "2017-10-25T18:05:26Z")
RS-232 Cabling: Single ended Communication mode: Full duplex Number of devices: 1 Transmitter, 1 receiver Max. Data rate: 19.2 Kbps for 50 feet Signalling: Unbalanced Max. Distance: 50 feet at 19.2 kbps Mark (d… --- ## [Basics of Profibus-DP](https://forumautomation.com/t/basics-of-profibus-dp/411)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 1\ **Last updated:** [June 6, 2017, 6:29pm UTC](https://forumautomation.com/t/basics-of-profibus-dp/411 "2017-06-06T18:29:32Z")
Profibus DP is one of the most commonly used network in industrial automation . Profibus stands for process field bus and DP stands for decentralized peripherals. If we have a bunch of sensors and actuators in the field… --- ## [Working of Interposing Relays in PLCs](https://forumautomation.com/t/working-of-interposing-relays-in-plcs/2918)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [January 3, 2018, 8:30pm UTC](https://forumautomation.com/t/working-of-interposing-relays-in-plcs/2918 "2018-01-03T20:30:06Z")
Why is it needed to use Interposing Relay? Interposing relays are used between mismatched sensors, controllers, and/or control devices. To control the action of high power circuits, we cannot drag the high power lines … --- ## [Fieldbus | Basics structure of Fieldbus](https://forumautomation.com/t/fieldbus-basics-structure-of-fieldbus/2358)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [September 28, 2017, 6:49pm UTC](https://forumautomation.com/t/fieldbus-basics-structure-of-fieldbus/2358 "2017-09-28T18:49:57Z")
Field bus: Computers and instruments are needed to connect in single network in a manufacturing plant, so that the sensing and real time control is possible. This connecting network is known as Field bus. A field bus net… --- ## [Comparison between HART, Profibus and Foundation Fieldbus](https://forumautomation.com/t/comparison-between-hart-profibus-and-foundation-fieldbus/3628)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [May 15, 2018, 6:37pm UTC](https://forumautomation.com/t/comparison-between-hart-profibus-and-foundation-fieldbus/3628 "2018-05-15T18:37:00Z")
What is HART? HART is “Highway Addressable Remote Transducer”, which is a communication protocol for control field devices that work with a 4-20 mA control signal. The HART® protocol uses a 1200 baud frequency shift (FS… --- ## [What is the difference between Modbus and RS 485?](https://forumautomation.com/t/what-is-the-difference-between-modbus-and-rs-485/1609)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [December 31, 2016, 5:35am UTC](https://forumautomation.com/t/what-is-the-difference-between-modbus-and-rs-485/1609 "2016-12-31T05:35:40Z")
What is Modbus ? Modbus is a protocol. Modbus protocols defines the messaging structure that is used to exchange data. Modbus can use many different types of electrical standard and to tied to RS 485. Modbus communicat… --- ## [How to change set-point using HART communicator? Different types of HART communicator connections](https://forumautomation.com/t/how-to-change-set-point-using-hart-communicator-different-types-of-hart-communicator-connections/2519)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 26, 2017, 7:28pm UTC](https://forumautomation.com/t/how-to-change-set-point-using-hart-communicator-different-types-of-hart-communicator-connections/2519 "2017-10-26T19:28:40Z")
A HART communicator is a secondary master in HART communication. HART communicator devices can be connected in different ways to a transmission line. HART communicator to HART loop: Connecting directly to a HART … --- ## [Introduction to OPC and OPC Architecture](https://forumautomation.com/t/introduction-to-opc-and-opc-architecture/2701)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 22, 2017, 3:32pm UTC](https://forumautomation.com/t/introduction-to-opc-and-opc-architecture/2701 "2017-11-22T15:32:15Z")
An OPC or ‘OLE for Process Control’ get the devices to talk to the HMI software. OPCs are only workable in windows systems. An OPC server is a window application that allows window program to communicated with industria… --- ## [HART vs Fieldbus](https://forumautomation.com/t/hart-vs-fieldbus/3492)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [April 24, 2018, 5:25pm UTC](https://forumautomation.com/t/hart-vs-fieldbus/3492 "2018-04-24T17:25:48Z")
Fieldbus and HART are two main communication technologies used in process intrumentation. HART and FOUNDATION fieldbus enable many of the same benefits such as remote configuration and diagnostics, each technology has s… --- ## [Explaining WirelessHART communication](https://forumautomation.com/t/explaining-wirelesshart-communication/2850)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [July 6, 2023, 10:32am UTC](https://forumautomation.com/t/explaining-wirelesshart-communication/2850 "2023-07-06T10:32:24Z")
HART is a communication protocol commonly used in industrial communication networks. HART communicate data over the 4-20mA control loop in the form of AC signal in audio-frequency tone. Then HART protocol is introduced i… --- ## [What is Modbus?](https://forumautomation.com/t/what-is-modbus/2647)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [July 22, 2021, 7:48am UTC](https://forumautomation.com/t/what-is-modbus/2647 "2021-07-22T07:48:53Z")
MODBUS Protocol is a messaging structure developed by Modicon in 1979, used to establish master-slave/client-server communication between intelligent devices. In Modbus communication between devices are established usin… --- ## [Industrial Network - Comparison of different network topology](https://forumautomation.com/t/industrial-network-comparison-of-different-network-topology/1233)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 0\ **Last updated:** [August 7, 2016, 4:41pm UTC](https://forumautomation.com/t/industrial-network-comparison-of-different-network-topology/1233 "2016-08-07T16:41:36Z")
Different network topology for Industrial Network Mesh Feature - Every nodes connects to each other Advantages - Highly reliable Self healing Disadvantage - Too costly for large network deployment STP Feature - I… --- ## [What is the purpose of a network switch?](https://forumautomation.com/t/what-is-the-purpose-of-a-network-switch/10716)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [October 20, 2022, 11:36am UTC](https://forumautomation.com/t/what-is-the-purpose-of-a-network-switch/10716 "2022-10-20T11:36:51Z")
What is a network switch? A network switch (also known as a switching hub, a bridging hub, or a MAC bridge by the IEEE) is a piece of networking hardware that connects devices on a computer network by employing packet s… --- ## [Firewall Basics](https://forumautomation.com/t/firewall-basics/42)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [September 28, 2014, 6:11pm UTC](https://forumautomation.com/t/firewall-basics/42 "2014-09-28T18:11:05Z")
Firewall is basically a router connecting two different networks with Access-Rules. Access-Rules involve in specifying the Source PC, Destination PC, Protocol (e.g. HTTP, TCP), Socket Port No. Such Tabular rules are crea… --- ## [Difference between gateway and router?](https://forumautomation.com/t/difference-between-gateway-and-router/3068)
**Author:** [@Maissa\_Gasmi](https://forumautomation.com/u/Maissa_Gasmi)\ **Replies:** 0\ **Last updated:** [February 2, 2018, 9:19am UTC](https://forumautomation.com/t/difference-between-gateway-and-router/3068 "2018-02-02T09:19:24Z")
Hi all, I wish to know the exact differences between the gateway and the router. As far as I know is that the router helps connect two (or more) networks that have different IP adresses ranges (exp 192.168.x.x and 10.17… --- ## [What is ASTM and What are ASTM Sections and Volumes?](https://forumautomation.com/t/what-is-astm-and-what-are-astm-sections-and-volumes/10612)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 26, 2022, 5:47am UTC](https://forumautomation.com/t/what-is-astm-and-what-are-astm-sections-and-volumes/10612 "2022-08-26T05:47:41Z")
ASTM (American Society for Testing and Materials) is an organisation that creates international voluntary consensus standards. ASTM standards are established by committees of relevant industry specialists who meet on a r… --- ## [What is Industrial Internet of Things (IIOT)?](https://forumautomation.com/t/what-is-industrial-internet-of-things-iiot/6499)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [June 12, 2019, 4:38pm UTC](https://forumautomation.com/t/what-is-industrial-internet-of-things-iiot/6499 "2019-06-12T16:38:41Z")
What is the Internet Of Things (IoT)? IoT is an extension of network connectivity and computing capability, IoT is an expansion of network communication and computing capabilities, IoT would be infrastructure group, int… --- ## [What is EtherNet/IP?](https://forumautomation.com/t/what-is-ethernet-ip/715)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 1\ **Last updated:** [February 12, 2024, 6:01am UTC](https://forumautomation.com/t/what-is-ethernet-ip/715 "2024-02-12T06:01:37Z")
EtherNet/IP EtherNet/IP is developed by rockwell automation in the 90s Common industrial protocols (CIP) over TCP/IP. Independently supported/promoted by OVDA Open standard,open source OpEner software. T… --- ## [Types of serial cable configuration](https://forumautomation.com/t/types-of-serial-cable-configuration/10380)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [April 28, 2022, 7:48am UTC](https://forumautomation.com/t/types-of-serial-cable-configuration/10380 "2022-04-28T07:48:30Z")
What is the serial cable? A serial cable is a data transfer cable that sends data between two devices using the serial communication protocol. The serial port determines the type of connectors to be utilized. The term “… --- ## [Can you help me to understand the difference between following communication protocol?Controlnet/Devicenet/Ethernet?](https://forumautomation.com/t/can-you-help-me-to-understand-the-difference-between-following-communication-protocol-controlnet-devicenet-ethernet/178)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 2\ **Last updated:** [November 30, 2014, 2:07am UTC](https://forumautomation.com/t/can-you-help-me-to-understand-the-difference-between-following-communication-protocol-controlnet-devicenet-ethernet/178 "2014-11-30T02:07:18Z")
Controlnet/Devicenet/Ethernet??? What is the difference? --- ## [Standards Organizations for Data Communications](https://forumautomation.com/t/standards-organizations-for-data-communications/3254)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [March 9, 2018, 10:07am UTC](https://forumautomation.com/t/standards-organizations-for-data-communications/3254 "2018-03-09T10:07:23Z")
An association of organizations, governments, manufacturers and users form the standards organizations and are responsible for developing, coordinating and maintaining the standards. The intent is that all data communica… --- ## [Difference between Modbus RTU and Modbus TCP?](https://forumautomation.com/t/difference-between-modbus-rtu-and-modbus-tcp/286)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 1\ **Last updated:** [January 20, 2016, 6:30pm UTC](https://forumautomation.com/t/difference-between-modbus-rtu-and-modbus-tcp/286 "2016-01-20T18:30:09Z")
Modbus RTU is used for Serial communication ( RS-232, RS-422, RS-485). Modbus TCP is used for Ethernet Communication ( Ethernet) --- ## [How to read HART data into Non-HART systems | HART loop monitor](https://forumautomation.com/t/how-to-read-hart-data-into-non-hart-systems-hart-loop-monitor/3382)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [April 16, 2018, 2:58pm UTC](https://forumautomation.com/t/how-to-read-hart-data-into-non-hart-systems-hart-loop-monitor/3382 "2018-04-16T14:58:19Z")
What is HART? HART (Highway Addressable Remote Transducer) is communication protocol used in industrial automation, owned by non profit HART communication foundation. It is the one of the widely used communication prot… --- ## [How to identify the Modbus master & slave?](https://forumautomation.com/t/how-to-identify-the-modbus-master-slave/2952)
**Author:** [@Maissa\_Gasmi](https://forumautomation.com/u/Maissa_Gasmi)\ **Replies:** 2\ **Last updated:** [January 13, 2018, 6:43pm UTC](https://forumautomation.com/t/how-to-identify-the-modbus-master-slave/2952 "2018-01-13T18:43:46Z")
Hi all, I’m using in my current project an RTU composed of a pair of redundant CPUs (a master and a standby) that I need to connect to a panel view via a MODBUS RTU protocol (using RS232). My question is: who would be th… --- ## [Different types of Network Topologies](https://forumautomation.com/t/different-types-of-network-topologies/4095)
**Author:** [@areejsidhik](https://forumautomation.com/u/areejsidhik)\ **Replies:** 0\ **Last updated:** [July 13, 2018, 3:25pm UTC](https://forumautomation.com/t/different-types-of-network-topologies/4095 "2018-07-13T15:25:19Z")
Network topologies connect individual devices. Such connections allow the devices to share and exchange information. The most frequently used in the process industries are the star, the bus, and the ring network systems. … --- ## [What is the difference between Modbus, Modbus Plus, and ModbusTCP/IP?](https://forumautomation.com/t/what-is-the-difference-between-modbus-modbus-plus-and-modbustcp-ip/278)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 1\ **Last updated:** [February 26, 2015, 8:47am UTC](https://forumautomation.com/t/what-is-the-difference-between-modbus-modbus-plus-and-modbustcp-ip/278 "2015-02-26T08:47:03Z")
What is the difference between Modbus, Modbus Plus, and ModbusTCP/IP? --- ## [What is Broadcast in Networking?](https://forumautomation.com/t/what-is-broadcast-in-networking/10637)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 1\ **Last updated:** [September 24, 2024, 12:35pm UTC](https://forumautomation.com/t/what-is-broadcast-in-networking/10637 "2024-09-24T12:35:38Z")
Broadcasting is a type of group communication in which a sender provides data to multiple receivers at the same time. This is a communication model in which each sending device sends data to all other devices in the netw… --- ## [5 benefits of HART, Why HART is used in industrial networking](https://forumautomation.com/t/5-benefits-of-hart-why-hart-is-used-in-industrial-networking/6633)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [June 29, 2019, 5:39pm UTC](https://forumautomation.com/t/5-benefits-of-hart-why-hart-is-used-in-industrial-networking/6633 "2019-06-29T17:39:49Z")
\[color=#ff0000\]\[size=5\]What is HART protocol?\[/size\]\[/color\] \[color=#1C4587\]\[size=3\] HART (Highway Addressable Remote Transducer) Protocol is the worldwide standard for transmitting and receiving digital data across … --- ## [What is Technical Office Protocol (TOP)? Difference b/w TOP & MAP](https://forumautomation.com/t/what-is-technical-office-protocol-top-difference-b-w-top-map/6490)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [June 4, 2019, 4:56pm UTC](https://forumautomation.com/t/what-is-technical-office-protocol-top-difference-b-w-top-map/6490 "2019-06-04T16:56:21Z")
What is Technical Office Protocol (TOP)? TOP is a widely used communication protocol developed by Boeing Computer Services. TOP is the initiative of a group of computer system purchasers. TOP community participants incl… --- ## [OSI Model (Open System Interconnection)](https://forumautomation.com/t/osi-model-open-system-interconnection/3019)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [January 22, 2018, 7:09pm UTC](https://forumautomation.com/t/osi-model-open-system-interconnection/3019 "2018-01-22T19:09:08Z")
OSI (Open System Interconnection) is an architecture developed by ISO(International Standard Organisation) for computer communication commissioned in 1984. OSI is an abstract description of layered communications and co… --- ## [What is MPI compared to PROFIBUS DP?](https://forumautomation.com/t/what-is-mpi-compared-to-profibus-dp/1159)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [July 11, 2016, 12:33am UTC](https://forumautomation.com/t/what-is-mpi-compared-to-profibus-dp/1159 "2016-07-11T00:33:09Z")
MPI is RS 485 + PROFIBUS FDL (lower layer telegrams) with its own SAP definition. PROFIBUS DP has standardized SAPs (command codes) embedded in the telegrams that tell the slave device what to do. When a device is under… --- ## [What is DeviceNet ? Basics of DeviceNet](https://forumautomation.com/t/what-is-devicenet-basics-of-devicenet/4066)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [July 10, 2018, 3:11pm UTC](https://forumautomation.com/t/what-is-devicenet-basics-of-devicenet/4066 "2018-07-10T15:11:39Z")
What is DeviceNet? DeviceNet is an example of a device-level local area network (LAN). DeviceNet is an open device-level network. It is relatively low speed but efficient at handling the short messages to and from I/O mo… --- ## [Intrinsic safety system, wires, earthing](https://forumautomation.com/t/intrinsic-safety-system-wires-earthing/3997)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [July 2, 2018, 6:59pm UTC](https://forumautomation.com/t/intrinsic-safety-system-wires-earthing/3997 "2018-07-02T18:59:27Z")
What is an intrinsic safe system? A system, comprising apparatus and interconnecting wiring, in which any spark or thermal effect in any part of the system intended for use in hazardous areas is incapable of causing igni… --- ## [What are the limitations of ethernet cable?](https://forumautomation.com/t/what-are-the-limitations-of-ethernet-cable/1110)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 1\ **Last updated:** [March 6, 2019, 1:33pm UTC](https://forumautomation.com/t/what-are-the-limitations-of-ethernet-cable/1110 "2019-03-06T13:33:20Z")
Limitations of ethernet Maximum span of 328 feet (100m) Copper cable is susceptible to EMI -Common sources:switching of large loads -eg: motor starters,VFD,etc… Ground faults can occur between equipment -Occur when gr… --- ## [What is Profibus-DP?](https://forumautomation.com/t/what-is-profibus-dp/2366)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 2, 2017, 10:33am UTC](https://forumautomation.com/t/what-is-profibus-dp/2366 "2017-10-02T10:33:38Z")
Profibus stands for Process field bus and DP stands for Decentralized peripherals. In an industrial there will be a bunch of sensor installed in field area. They have to connected sensors to i/o module of PLCs, so that … --- ## [What is Star Topology?](https://forumautomation.com/t/what-is-star-topology/10600)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 23, 2022, 3:47am UTC](https://forumautomation.com/t/what-is-star-topology/10600 "2022-08-23T03:47:04Z")
What is Network Topology? Network topology is the physical or conceptual description of how links and nodes are connected to one another. A network’s configuration or topology is critical to its performance. Network to… --- ## [Comparison between OSI and TCP/IP](https://forumautomation.com/t/comparison-between-osi-and-tcp-ip/5191)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 13, 2018, 4:55pm UTC](https://forumautomation.com/t/comparison-between-osi-and-tcp-ip/5191 "2018-11-13T16:55:02Z")
What is OSI and TCP/IP? The OSI is a referral or conceptual model of a communication network, which is used to compare with other networks. TCP / IP is a protocol used to connect hosts through the World Wide Web. It is … --- ## [Serial communication and RS 232](https://forumautomation.com/t/serial-communication-and-rs-232/3619)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [May 14, 2018, 6:23pm UTC](https://forumautomation.com/t/serial-communication-and-rs-232/3619 "2018-05-14T18:23:58Z")
Serial communication: Serial communication is a way enables different types of equipment to communicate with their outside world. It is called serial because the data bits will be sent in a serial way over a single line.… --- ## [HART device application](https://forumautomation.com/t/hart-device-application/4671)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [September 17, 2018, 5:08pm UTC](https://forumautomation.com/t/hart-device-application/4671 "2018-09-17T17:08:30Z")
In principle, HART is a master / slave protocol which means that the slave equipment only speaks when the master is talking. Both master (primary and secondary) can communicate with slave equipment on a HART network. Sec… --- ## [Industrial Network - What are the difference between Unmanaged Switch and Manged switch?](https://forumautomation.com/t/industrial-network-what-are-the-difference-between-unmanaged-switch-and-manged-switch/1231)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 1\ **Last updated:** [September 14, 2016, 12:00pm UTC](https://forumautomation.com/t/industrial-network-what-are-the-difference-between-unmanaged-switch-and-manged-switch/1231 "2016-09-14T12:00:00Z")
Differences between Unmanaged Switch and Managed Switch - Unmanaged Switch - Position - Simple Data Switching Application - Small scale network P2P communication Hardware - Packet switching: Entry level switch AISC S… --- ## [What is Baud Rate and Bits per Second](https://forumautomation.com/t/what-is-baud-rate-and-bits-per-second/3495)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [April 25, 2018, 6:26am UTC](https://forumautomation.com/t/what-is-baud-rate-and-bits-per-second/3495 "2018-04-25T06:26:59Z")
What are the difference between Baud band and Bits per second? When referring to modem transmission, the terms baud rate and bite per second are sometimes used to describe the speed of the channel. The term baud rate is … --- ## [Basics of Network switches](https://forumautomation.com/t/basics-of-network-switches/3022)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [January 23, 2018, 7:06pm UTC](https://forumautomation.com/t/basics-of-network-switches/3022 "2018-01-23T19:06:06Z")
The network switch is a device used to connect network devices. The switches receive information and transfer them to target audience. Switches are the multiport network bridge that process and forward data. Network sw… --- ## [What are Cat Cables? or Ethernet cables, Types of Cat cables](https://forumautomation.com/t/what-are-cat-cables-or-ethernet-cables-types-of-cat-cables/5671)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [January 7, 2019, 4:26pm UTC](https://forumautomation.com/t/what-are-cat-cables-or-ethernet-cables-types-of-cat-cables/5671 "2019-01-07T16:26:35Z")
All computer and controller devices are connected to the network with ethernet cables. There are different kinds of ethernet cables, grouped in sequentially numbered categories (“cat”) according to different specifica… --- ## [What are advantages & Disadvantages of wireless Networking in Industries?](https://forumautomation.com/t/what-are-advantages-disadvantages-of-wireless-networking-in-industries/6432)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [May 22, 2019, 5:30pm UTC](https://forumautomation.com/t/what-are-advantages-disadvantages-of-wireless-networking-in-industries/6432 "2019-05-22T17:30:15Z")
Wireless local area networks (LANs) are a testament to their comfort, cost-effectiveness and easy integration with other networks and network elements. Advantages of wireless networking: The wireless nature of such… --- ## [Various Modbus Serial to Modbus TCP/IP convertors and their manufacturers](https://forumautomation.com/t/various-modbus-serial-to-modbus-tcp-ip-convertors-and-their-manufacturers/10074)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 23, 2021, 4:59am UTC](https://forumautomation.com/t/various-modbus-serial-to-modbus-tcp-ip-convertors-and-their-manufacturers/10074 "2021-12-23T04:59:24Z")
What is Modbus Protocol? Modbus is a master-slave/client-server messaging framework developed by Modicon. The Modbus protocol has many protocol options. However, the two most commonly used protocols are the Modbus Remot… --- ## [Difference between RS 422 & RS 485](https://forumautomation.com/t/difference-between-rs-422-rs-485/3648)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [May 19, 2018, 2:31pm UTC](https://forumautomation.com/t/difference-between-rs-422-rs-485/3648 "2018-05-19T14:31:13Z")
The 422 and 485 standards offer robust solutions for transmitting data over long distances and noisy environments. Both the 422 and 485 are similar to the RS232. The 422 and 485 standards offer robust solutions for t… --- ## [Operational technology (OT) Cybersecurity Standards](https://forumautomation.com/t/operational-technology-ot-cybersecurity-standards/10593)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [August 19, 2022, 4:29am UTC](https://forumautomation.com/t/operational-technology-ot-cybersecurity-standards/10593 "2022-08-19T04:29:35Z")
What is an OT network? Operational technology (OT) is a software and hardware combination used to monitor and control various devices, physical structures, and infrastructure. Operational technology is used to monitor n… [Next page](https://forumautomation.com/c/networking/8.md?page=1&per_page=50)