Components and Architecture - Networking Basics Reference

 

 

 

 

 

 

Name/Acronym

Name/Definition

Comments

 

 

 

 

 

 

 

Domain Name

A text name, appended to

Identifies a node as a member of a domain.

 

 

 

the Host name.

 

 

 

DS1, DS3

Dedicated leased telephone

DS1 (T-1) carries 1.544 Mbps, DS3 (T-3) carries

 

 

 

lines

44.736 Mbps

 

 

DTE

Data Terminal Equipment

Computers, Controllers, and other devices that

 

 

 

 

communicate via networking devices.

 

 

Ethernet

IEEE networking standard

10 or 100 Mbps, Baseband network that uses

 

 

 

802.3, which defines

various media (thick coax, thin coax, twisted pair,

 

 

 

configuration rules for an

or fiber optic cable).

 

 

 

Ethernet network

Example: 10BaseT is 10 Mbps Twisted Pair.

 

 

FTP

File Transfer Protocol

Use for send and receive files between an FTP

 

 

 

 

client and an FTP Server.

 

 

Filtering

Selection process used by a

The Switch or Bridge reads the content of a packet

 

 

 

Switch or a Bridge to

(such as destination address) to determine whether

 

 

 

forward a message or block

the message should be blocked or forwarded.

 

 

 

its passage.

 

 

 

Firewall

Inter-network security

Application software that runs in a computer, or a

 

 

 

system

dedicated firewall device that includes a dedicated

 

 

 

 

computer and software. In either case, it is placed

 

 

 

 

in the data path between networks.

 

 

Firmware

Semi-permanent storage

In some cases, the content of firmware is fixed, and

 

 

 

medium.

cannot be altered. In other firmware (e.g., Flash),

 

 

 

 

the content can be re-written.

 

 

Forwarding

Bridge or Switch, passing a

See “Filtering”.

 

 

 

message from one network

 

 

 

 

to another, based on packet

 

 

 

 

filtering.

 

 

 

Framing

Dividing messages into

Framing techniques vary with protocols used.

 

 

 

groups of bits, each group

Typically, message data is preceded by an

 

 

 

having specific significance.

identifying “header” and is followed by an error-

 

 

 

 

check sequence.

 

 

Host Name

The name assigned to

The name is resident in each Host computer.

 

 

 

identify a computer

 

 

 

 

connected to a network.

 

 

 

Host Table

A list of TCP/IP Host

 

 

 

 

Names/IP Addresses for a

 

 

 

 

network

 

 

 

hostid

Host Identifier

The portion of the IP address (right part) that

 

 

 

 

uniquely identifies a Host device on a network.

 

 

Hub

See “Port Multiplier”.

 

 

 

 

 

 

 

 

HTTP

Hypertext Transfer Protocol

Application-Layer protocol that controls

 

 

 

 

transactions between the web client and the web

 

 

 

 

server.

 

 

Internet

A system of networks

Access to the Internet is governed by a world-wide

 

 

 

(local, regional, national,

set of rules. IP (Internet Protocol) addresses are

 

 

 

and international) linked by

assigned by Internet Corporation for Assigned

 

 

 

TCP/IP.

Names and Numbers(ICANN)

 

 

 

 

 

 

Revision 5

HC900 Hybrid Controller Installation and User Guide

29

9/03

 

 

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Honeywell HC900 manual Dte
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HC900 specifications

The Honeywell HC900 is a robust control solution designed to meet the demands of process industries. This flexible and powerful platform provides a comprehensive set of features tailored for process control and monitoring applications. The HC900 is particularly suited for batch control, continuous processes, and discrete applications, making it a versatile choice for a variety of industries, including oil and gas, chemicals, and electricity generation.

One of the main features of the HC900 is its modular design. This allows users to customize their control systems by selecting from a range of I/O modules, communication options, and control strategies. The system supports both analog and digital inputs and outputs, enabling seamless integration with existing infrastructures. Additionally, the modular approach enhances scalability, allowing users to expand their systems as their needs evolve.

The HC900 is equipped with advanced control technologies, including adaptive control, multivariable control, and real-time data logging. These capabilities facilitate fine-tuned control over complex processes, improving efficiency and reducing waste. The system can manage multiple process loops simultaneously, providing operators with a holistic view of their operations.

Another significant characteristic of the HC900 is its intuitive user interface. The system features a graphical display that allows operators to monitor system performance easily and make adjustments quickly. This user-friendly design minimizes training requirements and encourages efficient operation across different experience levels.

Furthermore, the HC900 incorporates sophisticated data management tools. With built-in logging and reporting functions, users can track process variables and generate comprehensive reports for analysis and regulatory compliance. This data-centric approach fosters informed decision-making and enhances overall operational effectiveness.

From a communication standpoint, the HC900 supports a variety of protocols, making it compatible with many industry-standard devices. This interoperability ensures that users can integrate the HC900 into their existing systems without hassle, streamlining migration and upgrade processes.

Additionally, the HC900 is built with reliability in mind. Its rugged design ensures durability, capable of withstanding harsh environments while maintaining consistent performance.

In summary, the Honeywell HC900 stands out as a powerful and flexible control solution, equipped with modular design, advanced control technologies, and user-friendly interfaces that cater to the diverse needs of process industries. With its comprehensive data management capabilities and robust communications options, the HC900 is an excellent choice for organizations striving for efficiency and reliability.
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