• CPMT3411
• Computerised Plant Maintenance

This module will provide learners with an understanding of the interface between computer based management systems, plant equipment and controls. They will examine its role in automatically gathering relevant process information and passing this information up to building management systems and network servers. There will be an emphasis on software specification, design, implementation and fault finding and the safety concerns and standard applicable to automated process. This module builds on material covered in Electrical Plant Maintenance, Electrical Facilities Maintenance, and Instrumentation.

The aim of this subject is to provide learners with an understanding of signal monitoring, computer control, and their safety implications. To examine the theoretical aspects of data transmission and communications protocols. To understand the basis for the design, specification, and installation of the software, hardware and transmission requirements for a both production management systems, and building management system in terms of particular applications.

An overview of Simplex, Half Duplex, Full Duplex.
Architectures of local area networks covering standards, topology and performance.
Building Environmental Control Systems. Identification of field control devices and actuators, Industrial applications, PID Control: Control theory and applications.
Communication Protocols:
Computer Architecture:
Control of Power Plant and Equipment.
Data Acquisition and Communication Systems:
Data Representation.
Data Representation:
Data conversion, Time division multiplexing, Parallel digital signals Serial Digital Signals.
Data encoding and decoding of digital signals,sampling and quantisation.
Elements:
Error detection and correction, frequency division multiplexing, transmission bandwidth, pulse code modulation,transmitters and receivers.
Hardware systems:
ISO and OSI models, Fieldbus model, Interface units.
Identification of field control devices and actuators, Industrial and commercial applications
Indicators, recorders, alphanumeric displays, liquid crystal displays and printers.
Maximum data rates (theoretical and practical) for different media.
Operating systems, anti -virus and backup solutions, building management software solutions, production management software solutions.
Process control, analogue modules, use and configuration, sampling frequency, Alias frequencies, Minimum sampling rate, Analogue and digital Alarms, ISTN and Internet interfaces.
Properties of copper media, fibre optics, radio communication, data communication standards.
ROM, RAM, CPU, auxiliary memory, communication ports, microprocessor based systems and controllers.
Signal processing, analogue to digital A/D conversion, digital.
Software:

Pre-requisite Modules