479 Business Center Dr., Suite 105 Mt. Prospect, IL 60056
(847) 297-2265

Control System Definition and Specification

Unitel Technologies adopts an agnostic philosophy towards the selection of a control system. We have designed and built turnkey projects using the Emerson Delta V, Honeywell and the Siemens system.

When not otherwise specified by the customer, we often use a control system comprising of an Allen Bradley ControlLogix PLC for process control, two PC based control stations operating Rockwell FactoryTalk View SE control software, and the interface control panel. The basic architecture of the control system is highly functional, very cost-effective, and can be readily adapted to meet both elementary and complex process mission requirements.

The basic architecture is outlined below.

A single interface control panel is used in this system. From a control function perspective, this panel houses the PLC’s power supply and I/O cards. The main PLC carries out the actual control process control function and will continue to operate in the event of a loss of communication to or a shutdown of the HMI work station. The interface control panel receives power at the required voltage from the client’s site

Services

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CE
Conceptual Engineering

The early stages of front end project and process development are critical for the future success of projects involving new technologies and processes.

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FS
Feasibility Study

The feasibility study phase generally consists of a technical and economic analysis to investigate the probable outcomes of a project.

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FEED
Front End Engineering & Design (FEED)

The feasibility study phase generally consists of a technical and economic analysis to investigate the probable outcomes of a project.

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DED
Detailed Engineering & Design

This is the initial phase in the execution of the project. The objective of this phase is to develop all detailed engineering and design drawings and documents.

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P
Procurement

Procurement policies and procedures are of significant importance for implementing a project on schedule while retaining quality.

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F
Fabrication

Unitel maintains a leased facility for the fabrication of high quality modules. Good fabrication procedures and safety during fabrication are of critical importance to us.

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CS
Commissioning & Start-Up

Unitel provides installation procedures and guidelines to assist the client in installing the modules. We always provide appropriate personnel for this activity.

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