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Introduction to PLC's |
Duration 3 days |
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| Development of Programmable Controllers |
Relay systems
The electronic interface: Address, Data and Control lines |
Programmable Logic Controller elements
Power supply requirements
PLC requirements
PLC specifications |
| Introduction to DOS, PCP/M and BIOS |
Review of hardware (RAM, ROM, hard disk, floppy disk etc.)
Review of binary, hexadecimal, binary coded decimal, floating point etc. |
| Overview of Siemens programming units. |
| The S5 programming language |
Linear and structured programming
Logic display formats
Boolean logic (AND, OR etc.)
Basic software including contacts, coils, flip-flops, comparators, timers and counters. |
| Load and Transfer functions. |
All topics are reinforced with practical exercises throughout the course.
The exact content and timing may be varied by the instructor to more closely meet the requirements of the course delegates.
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S5 to S7 Upgrade |
Duration 3 days |
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| Comparison of the common elements in S5 and S7 including |
Logic elements, and, or, flipflops, set, reset and rlo.
Timers, counters and comparators.
Process images PII and PIQ. |
| New S7 elements including |
Relay systems
Positive and negative edge triggers.
Double integer and real comparators.
Data blocks.
Use defined data tables.
Function calls and function blocks.
Organisation blocks.
Conversion blocks.
Maths functions. |
| Configuration |
Customising S7 to your requirements.
S7 300 and S7 400 hardware.
Creating an S7 project.
Configuring S7 hardware including PSU, CPU, digital I/O and analogue.
Configuring remote I/O with profibus. |
| Testing and Diagnostics |
Testing digital and analogue modules for correct operation.
Testing profibus slaves and remote I/O.
Using the Diagnostic Buffer to locate faults.
Creating customised VAT tables.
Forcing inputs and outputs. |
| Maintenance |
Module replacement.
Fault location using Monitor/Modify.
Cross reference and compare.
Deletion of the CPU.
Uploading and downloading programs.
Archiving and retrieving programs.
Editing and printing symbol tables.
Modifying programs. |
| Communication |
MPI network.
Profibus DP network.
Connection between programming unit and CPU. |
All topics are reinforced with practical exercises throughout the course.
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