Mitsubishi FX, A and Q Series PLC Level 1 (GX Developer)
Course
In Corby
Description
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Type
Course
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Level
Beginner
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Location
Corby
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Duration
4 Days
Be able to recognise Mitsubishi FX , A and Q Series hardware and be able to locate and cure most faults that occur. Be able to operate the GX Developer software to make it perform certain tasks. Understand basic FX, A and Q Series instruction set and be able to make minor modifications to software. Be able to backup and restore a PLC program when required. Be able to perform basic system diagnostics when a problem occurs. Suitable for beginners.
Facilities
Location
Start date
Start date
About this course
No prerequisites this is a beginners course.
Reviews
Course programme
Software: GX Developer
PLC-Type: Mitsubsihi Q Series PLC
Course Documentation
- Training Log
- Pre Course Exercises
- Course Exercises
- Post Course Exercises
- Filofax Pocket Reference Guides
Course Content
To fault find a system you need to know EXACTLY how it works
HOW EXACTLY DOES A PLC WORK?
- Am I getting the input to the PLC?
- The Led on the output card means i am getting voltage out right? does it?
- What exactly happens in between? ,theres more than just a program in the CPU
- How exactly does it scan the program?
- What is this Watchdog Timer? Is it that important?
- Can I use the same output twice? That's bad programming isn't it?
- A PLC is a logic controller, so use a logical approach to fault find it.
- What are the 8 simple test points to check?
- The PLC is in RUN, that means theres a program right? does it?
- FORCING a bit and toggling a bit is pretty much the same yeah? depends on which PLC
Then you need to Know the specifics
HOW DO I DO THE FOLLOWING?
(some straight forward some not so)
- How do I check power is ON and PLC is in right mode (RUN or Program)
- Check for a fault condition
- Establish a link between PC and PLC (can be a major issue nowadays)
- If comms problem check interface
- Create a blank project and take a backup (just in case I mess up)
- Open project for PLC and go OnLine
- Interrogate Diagnostics
- Identify if it is a hardware or software fault?
- Change the battery
- Change modules if necessary, (with spares and without spares)
- Identify if it is a PLC or Comms fault
- Check all settings against a template etc.
- Check Hardware ( What voltage should be where)
- Clear Memory and Download program
- Check software against latest copy
- Monitor program effectively
- Searching for specific operands and instructions
- Changing timer, counter values On Line
- Making minor mods Off Line and On line
- Check or create a monitor table to establish parameter status
- Force a parameter if required
- Call up reference data to assist with software diagnostics
- Display Documentation (Symbols, Comments)
- Reassign an I/O address and change software addresses
- Printing Cross Reference / Program Listings etc.
Background information required
Understanding of the following:
- Number formats, bits, bytes, words, double words
- Binary, HEX,octal,floating point, integer
- Data types and parameter types, Bool etc.
- On Line and Off Line modes
- Basic Instructions, contacts, Set, reset etc.
- Timers, Counters
- Comparators, Maths
- How to make minor mods
- Altering values in a monitor table
- Using Device Monitor function
- Using Force function
- Back tracking through a program to establish where power flow stops
- Reset procedure
- Fault finding tips
Course Equipment Per Delegate
- FX, A or Q Series PLC
- PC or Laptop
- Simulator
Additional information
Mitsubishi FX, A and Q Series PLC Level 1 (GX Developer)