Teesside University (TU) • HNC Electrical and Electronic Engineering
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Modules HNC Electrical and Electronic Engineering at Teesside University (TU)
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Latest notes & summaries Teesside University (TU) • HNC Electrical and Electronic Engineering
Investigate the signal processing within the CPU of the PLC and the various signals. Investigate the communications involved with modern systems regarding the PLC-PLC and PLC-LAN systems using HMI interfaces or SCADA with varying manufacturers.
Input/output I/O. Binary, hexadecimal and octal to denary conversions. Data Integrity: Longitudinal Redundancy Check (LRC), Cyclical Redundancy Checking (CRC). RS232 and RS422 signal communications. Networking topologies: star and bus.
Grade (P/M/D): MERIT

Produce a Ladder Logic program to run on a Programmable Logic Controller (PLC). The program should control the safe operation of traffic lights at a cross roads. The design should allow for a pedestrian crossing to be added. This must also operate in a safe manor for the pedestrians and vehicle drivers.
The system will be implemented using a Mitsubishi FX PLC. (This is the available hardware.) The development will take place on a Windows PC running Mitsubishi GX Developer a...
Grade (P/M/D): DISTINCTION

Task 1
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This document details the suitability of a number of Programmable Logic Controllers (PLCs) to meet the requirements of a process to be controlled. The requirements also specify the use of three classes of PLC:
1.	compact
2.	modular
3.	rack mounted

Task 2
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Identify input devices and output devices from the following list:
•	Switch
•	Optical sensor
•	Control valve
•	DP transmitter
•	Start/stop button station
•	Limit switch
•	High level ...